Package: src:linux
Version: 3.16.7-ckt20-1+deb8u4
Severity: normal

Dear Maintainer,
I have very ugly and probably hard to analyze problem with filesystem
corruption on KVM virtual and the hypervisor running on hardware
with CPU from early IntelVT era (Both hypervisor and VM are Debian
Jessie of course).
I can report this problem meantime for hypervisor on

    Intel Xeon E5410 [1]        (Dell PowerEdge 1950)
    Intel Xeon E5430 [2]        (Dell PowerEdge 1950)
    Intel Core2 Duo E8400 [3]   (some PC)

the problem is NOT with the newer HW/CPU:

    Intel Xeon X5650 [4]        (Dell PowerEdge R710)
    Intel Xeon L5520 [5]        (Dell PowerEdge R710)


Until Jessie we had no problems. After migration to Debian Jessie there
was several times filesystem corruption on VM running monitoring several
hosts using Icinga and writing performance data into RRD files.
The snippets from syslog are produced with

  zfgrep -h -i -e 'Linux version ' -e Memory: -e EXT4 syslog-20*gz 
>/tmp/mong.syslog.txt

attached...

Now I invent the method for reproducing the problem in reasonable time.

    1) Prepare a new VM  storage 2G, RAM 256MiB
    2) Install Debian Jessie (PXE, CD...) 200MB swap, root fs the rest
    3) Shutdown a new VM and decrease memory allocation to 90MiB for it
    4) Start VM and do some package management torture :). I used:

     while :; do apt install -y linux-source; sleep 10; apt remove 
--auto-remove -y linux-source; sleep 10; done

On "faulty" CPU you get after a while:

  Unpacking gcc-4.9 (4.9.2-10) ...
  dpkg: unrecoverable fatal error, aborting:
   unable to fsync updated status of `man-db': Read-only file system
  rm: cannot remove ‘/var/cache/etckeeper/packagelist.pre-install’: Read-only 
file system
  E: Sub-process /usr/bin/dpkg returned an error code (2)
  E: Problem executing scripts DPkg::Post-Invoke 'if [ -x /usr/bin/etckeeper ]; 
then etckeeper post-install; fi'
  E: Sub-process returned an error code
  W: Not using locking for read only lock file /var/lib/dpkg/lock
  E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to 
correct the problem. 
  W: Not using locking for read only lock file /var/lib/dpkg/lock
  E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to 
correct the problem. 
  ...

and in another terminal running journalctl -f:

  Mar 17 15:19:49 keryvm1 ssh-audit[1159]: zito : root access using connection 
10.0.156.88 34352 172.30.1.29 22
  Mar 17 15:19:49 keryvm1 logger[1186]: [audit zito as root/1156 on 
pts/1/10.0.156.88:34352->172.30.1.29:22]: #=== session opened ===
  Mar 17 15:19:50 keryvm1 logger[1190]: [audit zito as root/1156 on 
pts/1/10.0.156.88:34352->172.30.1.29:22] /root: journalctl -f
  
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2): 
ext4_mb_generate_buddy:757: group 5, block bitmap and bg descriptor 
inconsistent: 4196 vs 4194 f$
  ee clusters
  Mar 17 15:22:31 keryvm1 kernel: Aborting journal on device vda2-8.
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs (vda2): Remounting filesystem 
read-only
  Mar 17 15:22:31 keryvm1 kernel: ------------[ cut here ]------------
  Mar 17 15:22:31 keryvm1 kernel: WARNING: CPU: 0 PID: 6534 at 
/build/linux-U7H2aZ/linux-3.16.7-ckt20/fs/ext4/ext4_jbd2.c:266 
__ext4_handle_dirty_metadata+0x18$
  /0x1d0 [ext4]()
  Mar 17 15:22:31 keryvm1 kernel: Modules linked in: nfsd auth_rpcgss 
oid_registry nfs_acl nfs lockd fscache sunrpc snd_hda_codec_generic 
snd_hda_intel ppdev s$
  d_hda_controller snd_hda_codec ttm drm_kms_helper snd_hwdep evdev psmouse 
joydev pcspkr serio_raw i2c_piix4 snd_pcm drm snd_timer snd pvpanic i2c_core 
parpor$
  _pc soundcore virtio_balloon parport virtio_console processor thermal_sys 
button autofs4 ext4 crc16 mbcache jbd2 hid_generic usbhid hid virtio_net 
virtio_blk 
  sg sr_mod cdrom ata_generic ehci_pci uhci_hcd ehci_hcd ata_piix libata floppy 
virtio_pci virtio_ring virtio usbcore usb_common scsi_mod
  Mar 17 15:22:31 keryvm1 kernel: CPU: 0 PID: 6534 Comm: dpkg Not tainted 
3.16.0-4-amd64 #1 Debian 3.16.7-ckt20-1+deb8u4
  Mar 17 15:22:31 keryvm1 kernel: Hardware name: QEMU Standard PC (i440FX + 
PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
  Mar 17 15:22:31 keryvm1 kernel:  0000000000000009 ffffffff8150dcff 
0000000000000000 ffffffff810677d7
  Mar 17 15:22:31 keryvm1 kernel:  ffff8800027f2570 00000000ffffffe2 
0000000000000000 ffff880000be0328
  Mar 17 15:22:31 keryvm1 kernel:  ffffffffa023fde0 ffffffffa022065e 
ffff8800031514b0 ffff8800027f2570
  Mar 17 15:22:31 keryvm1 kernel: Call Trace:
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff8150dcff>] ? dump_stack+0x41/0x51
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff810677d7>] ? 
warn_slowpath_common+0x77/0x90
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa022065e>] ? 
__ext4_handle_dirty_metadata+0x18e/0x1d0 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa01f96d5>] ? 
ext4_dirty_inode+0x25/0x60 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa0228c22>] ? 
ext4_free_blocks+0x602/0xb90 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa0106bc1>] ? 
jbd2_journal_extend+0x71/0x1a0 [jbd2]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa021bda4>] ? 
ext4_ext_remove_space+0x804/0x1080 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa021e5e8>] ? 
ext4_ext_truncate+0x98/0xc0 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa01f7b71>] ? 
ext4_truncate+0x391/0x3e0 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffffa01f92ab>] ? 
ext4_setattr+0x2db/0x6e0 [ext4]
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff811c3531>] ? 
notify_change+0x241/0x390
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff811a59c5>] ? do_truncate+0x65/0x90
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff811aa922>] ? 
__sb_start_write+0x42/0xd0
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff811a686b>] ? 
do_sys_ftruncate.constprop.9+0x10b/0x160
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff811a90a2>] ? SyS_write+0x42/0xa0
  Mar 17 15:22:31 keryvm1 kernel:  [<ffffffff81513ecd>] ? 
system_call_fast_compare_end+0x10/0x15
  Mar 17 15:22:31 keryvm1 kernel: ---[ end trace 0612d15c3b61e627 ]---
  Mar 17 15:22:31 keryvm1 kernel: EXT4: jbd2_journal_dirty_metadata failed: 
handle type 5 started at line 3772, credits 16/16, errcode -30
  Mar 17 15:22:31 keryvm1 kernel: EXT4: jbd2_journal_dirty_metadata failed: 
handle type 5 started at line 3772, credits 16/16, errcode -30
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_free_blocks:4895: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_reserve_inode_write:4923: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_ext_remove_space:3017: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_ext_truncate:4661: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_reserve_inode_write:4923: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_orphan_del:2716: Journal has aborted
  Mar 17 15:22:31 keryvm1 kernel: EXT4-fs error (device vda2) in 
ext4_reserve_inode_write:4923: Journal has aborted


VMs on Dell PE R710 runs neverending job (I hope ;)...
There was some reports of this problem already for Ubuntu I believe e.g.
[6].


References:

 [1] 
http://ark.intel.com/products/33080/Intel-Xeon-Processor-E5410-12M-Cache-2_33-GHz-1333-MHz-FSB
 [2] 
http://ark.intel.com/products/33081/Intel-Xeon-Processor-E5430-12M-Cache-2_66-GHz-1333-MHz-FSB?q=E5430
 [3] 
http://ark.intel.com/products/33910/Intel-Core2-Duo-Processor-E8400-6M-Cache-3_00-GHz-1333-MHz-FSB?q=E8400

 [4] 
http://ark.intel.com/products/47922/Intel-Xeon-Processor-X5650-12M-Cache-2_66-GHz-6_40-GTs-Intel-QPI
 [5] 
http://ark.intel.com/products/40201/Intel-Xeon-Processor-L5520-8M-Cache-2_26-GHz-5_86-GTs-Intel-QPI

 [6] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1423672

Best Regards
-- 
Zito
Aug 14 20:48:28 mong kernel: [    0.000000] Linux version 3.2.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP 
Debian 3.2.68-1+deb7u3
Aug 14 20:48:28 mong kernel: [    0.000000] PM: Registered nosave memory: 
000000000009f000 - 00000000000a0000
Aug 14 20:48:28 mong kernel: [    0.000000] PM: Registered nosave memory: 
00000000000a0000 - 00000000000f0000
Aug 14 20:48:28 mong kernel: [    0.000000] PM: Registered nosave memory: 
00000000000f0000 - 0000000000100000
Aug 14 20:48:28 mong kernel: [    0.000000] Memory: 238352k/262136k available 
(3434k kernel code, 452k absent, 23332k reserved, 3305k data, 580k init)
Aug 14 20:48:28 mong kernel: [    0.403823] Freeing initrd memory: 10632k freed
Aug 14 20:48:28 mong kernel: [    0.481915] Freeing unused kernel memory: 580k 
freed
Aug 14 20:48:28 mong kernel: [    0.485007] Freeing unused kernel memory: 644k 
freed
Aug 14 20:48:28 mong kernel: [    0.488038] Freeing unused kernel memory: 688k 
freed
Aug 14 20:48:28 mong kernel: [    1.827012] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Aug 14 20:48:28 mong kernel: [   13.870840] EXT4-fs (vda1): re-mounted. Opts: 
(null)
Aug 14 20:48:28 mong kernel: [   14.521064] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Aug 14 20:48:28 mong kernel: [   17.163441] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Aug 14 20:48:28 mong kernel: [   17.172994] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Aug 14 20:48:28 mong kernel: [   17.181819] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  4 21:23:49 mong kernel: [    0.000000] Linux version 3.2.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-14) ) #1 SMP 
Debian 3.2.68-1+deb7u3
Sep  4 21:23:49 mong kernel: [    0.000000] PM: Registered nosave memory: 
000000000009f000 - 00000000000a0000
Sep  4 21:23:49 mong kernel: [    0.000000] PM: Registered nosave memory: 
00000000000a0000 - 00000000000f0000
Sep  4 21:23:49 mong kernel: [    0.000000] PM: Registered nosave memory: 
00000000000f0000 - 0000000000100000
Sep  4 21:23:49 mong kernel: [    0.000000] Memory: 238352k/262136k available 
(3434k kernel code, 452k absent, 23332k reserved, 3305k data, 580k init)
Sep  4 21:23:49 mong kernel: [    0.400621] Freeing initrd memory: 10632k freed
Sep  4 21:23:49 mong kernel: [    0.481751] Freeing unused kernel memory: 580k 
freed
Sep  4 21:23:49 mong kernel: [    0.484565] Freeing unused kernel memory: 644k 
freed
Sep  4 21:23:49 mong kernel: [    0.487536] Freeing unused kernel memory: 688k 
freed
Sep  4 21:23:49 mong kernel: [    2.355633] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  4 21:23:49 mong kernel: [   12.947976] EXT4-fs (vda1): re-mounted. Opts: 
(null)
Sep  4 21:23:49 mong kernel: [   13.412386] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Sep  4 21:23:49 mong kernel: [   15.861980] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  4 21:23:49 mong kernel: [   15.870083] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  4 21:23:49 mong kernel: [   15.896127] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  7 15:49:48 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u3 (2015-08-04)
Sep  7 15:49:48 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Sep  7 15:49:48 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Sep  7 15:49:48 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Sep  7 15:49:48 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Sep  7 15:49:48 mong kernel: [    0.091280] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Sep  7 15:49:48 mong kernel: [    0.534716] Freeing initrd memory: 14400K 
(ffff88000ec4b000 - ffff88000fa5b000)
Sep  7 15:49:48 mong kernel: [    0.571233] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Sep  7 15:49:48 mong kernel: [    0.574042] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Sep  7 15:49:48 mong kernel: [    0.574657] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Sep  7 15:49:48 mong kernel: [    1.370177] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  7 15:49:48 mong kernel: [    2.392258] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Sep  7 15:49:48 mong kernel: [    2.402035] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  7 15:49:48 mong kernel: [    2.418731] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Sep  7 15:49:48 mong kernel: [    2.455864] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 20:16:02 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19)
Sep 25 20:16:02 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Sep 25 20:16:02 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Sep 25 20:16:02 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Sep 25 20:16:02 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Sep 25 20:16:02 mong kernel: [    0.087541] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Sep 25 20:16:02 mong kernel: [    0.537475] Freeing initrd memory: 14400K 
(ffff88000ecbb000 - ffff88000facb000)
Sep 25 20:16:02 mong kernel: [    0.569489] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Sep 25 20:16:02 mong kernel: [    0.572454] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Sep 25 20:16:02 mong kernel: [    0.573163] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Sep 25 20:16:02 mong kernel: [    2.605083] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 20:16:02 mong kernel: [   14.850324] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Sep 25 20:16:02 mong kernel: [   15.794238] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 20:16:02 mong kernel: [   16.091081] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 20:16:02 mong kernel: [   16.123047] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 20:51:31 mong kernel: [ 2153.365383] EXT4-fs error (device vda8): 
mb_free_blocks:1450: group 67, block 2219510:freeing already freed block (bit 
24054); block bitmap corrupt.
Sep 25 20:51:31 mong kernel: [ 2153.368077] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 67, block bitmap and bg descriptor 
inconsistent: 25113 vs 25114 free clusters
Sep 25 21:01:11 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19)
Sep 25 21:01:11 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Sep 25 21:01:11 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Sep 25 21:01:11 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Sep 25 21:01:11 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Sep 25 21:01:11 mong kernel: [    0.087390] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Sep 25 21:01:11 mong kernel: [    0.538587] Freeing initrd memory: 14400K 
(ffff88000ecbb000 - ffff88000facb000)
Sep 25 21:01:11 mong kernel: [    0.575078] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Sep 25 21:01:11 mong kernel: [    0.577852] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Sep 25 21:01:11 mong kernel: [    0.578461] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Sep 25 21:01:11 mong kernel: [    1.774808] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 21:01:11 mong kernel: [   15.607717] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Sep 25 21:01:11 mong kernel: [   15.642423] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 21:01:11 mong kernel: [   15.688595] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 25 21:01:11 mong kernel: [   23.224270] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Sep 29 01:45:43 mong kernel: [276302.397651] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 1, block bitmap and bg descriptor 
inconsistent: 7098 vs 7097 free clusters
Sep 29 02:02:04 mong kernel: [277283.432099] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 66, block bitmap and bg descriptor 
inconsistent: 27847 vs 27845 free clusters
Sep 29 04:21:26 mong kernel: [285645.808154] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 68, block bitmap and bg descriptor 
inconsistent: 15320 vs 15319 free clusters
Sep 30 01:48:06 mong kernel: [362845.152055] EXT4-fs (vda6): error count since 
last fsck: 1
Sep 30 01:48:06 mong kernel: [362845.152089] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Sep 30 01:48:06 mong kernel: [362845.152106] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Sep 30 02:05:34 mong kernel: [363893.728037] EXT4-fs (vda8): error count since 
last fsck: 2
Sep 30 02:05:34 mong kernel: [363893.728071] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Sep 30 02:05:34 mong kernel: [363893.728088] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  1 01:49:53 mong kernel: [449352.672046] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  1 01:49:53 mong kernel: [449352.672080] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  1 01:49:53 mong kernel: [449352.672099] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  1 02:07:22 mong kernel: [450401.248036] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  1 02:07:22 mong kernel: [450401.248077] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  1 02:07:22 mong kernel: [450401.248094] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  2 01:51:41 mong kernel: [535860.192040] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  2 01:51:41 mong kernel: [535860.192081] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  2 01:51:41 mong kernel: [535860.192098] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  2 02:09:09 mong kernel: [536908.768039] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  2 02:09:09 mong kernel: [536908.768085] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  2 02:09:09 mong kernel: [536908.768102] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  3 01:53:28 mong kernel: [622367.712046] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  3 01:53:28 mong kernel: [622367.712079] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  3 01:53:28 mong kernel: [622367.712096] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  3 02:10:57 mong kernel: [623416.288029] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  3 02:10:57 mong kernel: [623416.288058] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  3 02:10:57 mong kernel: [623416.288081] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  4 01:55:16 mong kernel: [708875.232042] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  4 01:55:16 mong kernel: [708875.232071] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  4 01:55:16 mong kernel: [708875.232094] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  4 02:12:44 mong kernel: [709923.808049] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  4 02:12:44 mong kernel: [709923.808083] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  4 02:12:44 mong kernel: [709923.808100] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  5 01:57:03 mong kernel: [795382.752031] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  5 01:57:03 mong kernel: [795382.752065] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  5 01:57:03 mong kernel: [795382.752082] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  5 02:14:32 mong kernel: [796431.328028] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  5 02:14:32 mong kernel: [796431.328055] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  5 02:14:32 mong kernel: [796431.328079] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  6 01:58:51 mong kernel: [881890.272040] EXT4-fs (vda6): error count since 
last fsck: 1
Oct  6 01:58:51 mong kernel: [881890.272075] EXT4-fs (vda6): initial error at 
time 1443483943: ext4_mb_generate_buddy:757
Oct  6 01:58:51 mong kernel: [881890.272092] EXT4-fs (vda6): last error at time 
1443483943: ext4_mb_generate_buddy:757
Oct  6 02:16:19 mong kernel: [882938.848060] EXT4-fs (vda8): error count since 
last fsck: 2
Oct  6 02:16:19 mong kernel: [882938.848092] EXT4-fs (vda8): initial error at 
time 1443484924: ext4_mb_generate_buddy:757
Oct  6 02:16:19 mong kernel: [882938.848109] EXT4-fs (vda8): last error at time 
1443493286: ext4_mb_generate_buddy:757
Oct  6 09:07:26 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19)
Oct  6 09:07:26 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Oct  6 09:07:26 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Oct  6 09:07:26 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Oct  6 09:07:26 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Oct  6 09:07:26 mong kernel: [    0.115255] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Oct  6 09:07:26 mong kernel: [    0.674114] Freeing initrd memory: 14400K 
(ffff88000ecb8000 - ffff88000fac8000)
Oct  6 09:07:26 mong kernel: [    0.756528] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Oct  6 09:07:26 mong kernel: [    0.762239] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Oct  6 09:07:26 mong kernel: [    0.764470] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Oct  6 09:07:26 mong kernel: [    1.570499] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Oct  6 09:07:26 mong kernel: [    3.333158] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Oct  6 09:07:26 mong kernel: [    3.404731] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Oct  6 09:07:26 mong kernel: [    3.489338] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Oct  6 09:07:26 mong kernel: [    3.997578] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Oct 13 06:25:11 mong kernel: [595070.832879] EXT4-fs error (device vda6): 
mb_free_blocks:1450: group 18, block 147729:freeing already freed block (bit 
272); block bitmap corrupt.
Oct 13 06:25:11 mong kernel: [595070.857127] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 18, block bitmap and bg descriptor 
inconsistent: 7949 vs 7950 free clusters
Oct 14 06:27:33 mong kernel: [681612.256048] EXT4-fs (vda6): error count since 
last fsck: 2
Oct 14 06:27:33 mong kernel: [681612.257316] EXT4-fs (vda6): initial error at 
time 1444710311: mb_free_blocks:1450: block 147729
Oct 14 06:27:33 mong kernel: [681612.259299] EXT4-fs (vda6): last error at time 
1444710311: ext4_mb_generate_buddy:757
Oct 15 06:29:20 mong kernel: [768119.776037] EXT4-fs (vda6): error count since 
last fsck: 2
Oct 15 06:29:20 mong kernel: [768119.777268] EXT4-fs (vda6): initial error at 
time 1444710311: mb_free_blocks:1450: block 147729
Oct 15 06:29:20 mong kernel: [768119.779147] EXT4-fs (vda6): last error at time 
1444710311: ext4_mb_generate_buddy:757
Oct 16 06:31:08 mong kernel: [854627.296044] EXT4-fs (vda6): error count since 
last fsck: 2
Oct 16 06:31:08 mong kernel: [854627.297295] EXT4-fs (vda6): initial error at 
time 1444710311: mb_free_blocks:1450: block 147729
Oct 16 06:31:08 mong kernel: [854627.301572] EXT4-fs (vda6): last error at time 
1444710311: ext4_mb_generate_buddy:757
Oct 16 20:31:20 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u5 (2015-10-09)
Oct 16 20:31:20 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Oct 16 20:31:20 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Oct 16 20:31:20 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Oct 16 20:31:20 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Oct 16 20:31:20 mong kernel: [    0.090245] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Oct 16 20:31:20 mong kernel: [    0.547135] Freeing initrd memory: 14400K 
(ffff88000eca8000 - ffff88000fab8000)
Oct 16 20:31:20 mong kernel: [    0.585499] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Oct 16 20:31:20 mong kernel: [    0.588265] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Oct 16 20:31:20 mong kernel: [    0.588898] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Oct 16 20:31:20 mong kernel: [    1.542806] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Oct 16 20:31:20 mong kernel: [   12.798865] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Oct 16 20:31:20 mong kernel: [   12.808842] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Oct 16 20:31:20 mong kernel: [   12.831969] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Oct 16 20:31:20 mong kernel: [   13.393570] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Nov 13 20:59:22 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09)
Nov 13 20:59:22 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Nov 13 20:59:22 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Nov 13 20:59:22 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Nov 13 20:59:22 mong kernel: [    0.000000] Memory: 231540K/261744K available 
(5209K kernel code, 946K rwdata, 1832K rodata, 1204K init, 840K bss, 30204K 
reserved)
Nov 13 20:59:22 mong kernel: [    0.087033] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Nov 13 20:59:22 mong kernel: [    0.534772] Freeing initrd memory: 14400K 
(ffff88000ec92000 - ffff88000faa2000)
Nov 13 20:59:22 mong kernel: [    0.571297] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Nov 13 20:59:22 mong kernel: [    0.574097] Freeing unused kernel memory: 924K 
(ffff880001519000 - ffff880001600000)
Nov 13 20:59:22 mong kernel: [    0.574706] Freeing unused kernel memory: 216K 
(ffff8800017ca000 - ffff880001800000)
Nov 13 20:59:22 mong kernel: [    2.368474] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Nov 13 20:59:22 mong kernel: [   15.399402] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Nov 13 20:59:22 mong kernel: [   15.796318] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Nov 13 20:59:22 mong kernel: [   15.799411] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Nov 13 20:59:22 mong kernel: [   15.839198] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Dec 18 20:33:29 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u1 (2015-12-14)
Dec 18 20:33:29 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Dec 18 20:33:29 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Dec 18 20:33:29 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Dec 18 20:33:29 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Dec 18 20:33:29 mong kernel: [    0.087932] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Dec 18 20:33:29 mong kernel: [    0.542592] Freeing initrd memory: 14408K 
(ffff88000ec9b000 - ffff88000faad000)
Dec 18 20:33:29 mong kernel: [    0.580314] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Dec 18 20:33:29 mong kernel: [    0.581182] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Dec 18 20:33:29 mong kernel: [    0.581780] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Dec 18 20:33:29 mong kernel: [    2.420944] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Dec 18 20:33:29 mong kernel: [   14.582012] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Dec 18 20:33:29 mong kernel: [   14.591925] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Dec 18 20:33:29 mong kernel: [   14.623519] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Dec 18 20:33:29 mong kernel: [   14.629630] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Dec 21 22:10:14 mong kernel: [265026.442002] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 65, block bitmap and bg descriptor 
inconsistent: 31866 vs 31865 free clusters
Dec 22 22:12:40 mong kernel: [351572.960055] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 22 22:12:40 mong kernel: [351572.960081] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 22 22:12:40 mong kernel: [351572.960098] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 23 22:14:28 mong kernel: [438080.480051] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 23 22:14:28 mong kernel: [438080.480084] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 23 22:14:28 mong kernel: [438080.480100] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 24 22:16:15 mong kernel: [524588.000038] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 24 22:16:15 mong kernel: [524588.000072] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 24 22:16:15 mong kernel: [524588.000088] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 25 22:18:03 mong kernel: [611095.520199] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 25 22:18:03 mong kernel: [611095.520232] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 25 22:18:03 mong kernel: [611095.520249] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 26 22:19:50 mong kernel: [697603.040039] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 26 22:19:50 mong kernel: [697603.040070] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 26 22:19:50 mong kernel: [697603.040086] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 27 22:21:38 mong kernel: [784110.560038] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 27 22:21:38 mong kernel: [784110.560064] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 27 22:21:38 mong kernel: [784110.560081] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 28 22:23:26 mong kernel: [870618.080043] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 28 22:23:26 mong kernel: [870618.080074] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 28 22:23:26 mong kernel: [870618.080091] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 29 22:25:13 mong kernel: [957125.600039] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 29 22:25:13 mong kernel: [957125.600066] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 29 22:25:13 mong kernel: [957125.600083] EXT4-fs (vda8): last error at time 
1450732214: ext4_mb_generate_buddy:757
Dec 30 22:27:01 mong kernel: [1043633.120058] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 30 22:27:01 mong kernel: [1043633.120085] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 30 22:27:01 mong kernel: [1043633.120101] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 31 22:28:48 mong kernel: [1130140.640041] EXT4-fs (vda8): error count since 
last fsck: 1
Dec 31 22:28:48 mong kernel: [1130140.640076] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Dec 31 22:28:48 mong kernel: [1130140.640092] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  1 22:30:36 mong kernel: [1216648.160056] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  1 22:30:36 mong kernel: [1216648.160090] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  1 22:30:36 mong kernel: [1216648.160107] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  2 22:32:23 mong kernel: [1303155.680051] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  2 22:32:23 mong kernel: [1303155.680079] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  2 22:32:23 mong kernel: [1303155.680096] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  3 22:34:11 mong kernel: [1389663.200059] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  3 22:34:11 mong kernel: [1389663.200086] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  3 22:34:11 mong kernel: [1389663.200103] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  4 22:35:58 mong kernel: [1476170.720062] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  4 22:35:58 mong kernel: [1476170.720094] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  4 22:35:58 mong kernel: [1476170.720111] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  5 22:37:46 mong kernel: [1562678.240053] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  5 22:37:46 mong kernel: [1562678.240080] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  5 22:37:46 mong kernel: [1562678.240096] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  6 22:39:33 mong kernel: [1649185.760043] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  6 22:39:33 mong kernel: [1649185.760074] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  6 22:39:33 mong kernel: [1649185.760093] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  7 22:41:21 mong kernel: [1735693.280039] EXT4-fs (vda8): error count since 
last fsck: 1
Jan  7 22:41:21 mong kernel: [1735693.280068] EXT4-fs (vda8): initial error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  7 22:41:21 mong kernel: [1735693.280085] EXT4-fs (vda8): last error at 
time 1450732214: ext4_mb_generate_buddy:757
Jan  8 20:48:01 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u2 (2016-01-02)
Jan  8 20:48:01 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan  8 20:48:01 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan  8 20:48:01 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan  8 20:48:01 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Jan  8 20:48:01 mong kernel: [    0.091835] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan  8 20:48:01 mong kernel: [    0.553144] Freeing initrd memory: 14408K 
(ffff88000eca3000 - ffff88000fab5000)
Jan  8 20:48:01 mong kernel: [    0.594019] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan  8 20:48:01 mong kernel: [    0.594861] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan  8 20:48:01 mong kernel: [    0.595505] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan  8 20:48:01 mong kernel: [    1.650276] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan  8 20:48:01 mong kernel: [   13.611944] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan  8 20:48:01 mong kernel: [   13.646676] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan  8 20:48:01 mong kernel: [   13.693289] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan  8 20:48:01 mong kernel: [   18.350319] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 11 06:25:13 mong kernel: [207457.647902] EXT4-fs (vda8): pa 
ffff8800008387e0: logic 0, phys. 2664800, len 32
Jan 11 06:25:13 mong kernel: [207457.649351] EXT4-fs error (device vda8): 
ext4_mb_release_inode_pa:3773: group 81, free 15, pa_free 13
Jan 12 06:25:12 mong kernel: [293856.445745] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 1, block bitmap and bg descriptor 
inconsistent: 7933 vs 7932 free clusters
Jan 12 06:25:57 mong kernel: [293901.280046] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 12 06:25:57 mong kernel: [293901.280053] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 12 06:25:57 mong kernel: [293901.280056] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 13 06:27:44 mong kernel: [380408.800052] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 13 06:27:44 mong kernel: [380408.800088] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 13 06:27:44 mong kernel: [380408.800105] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 13 06:27:44 mong kernel: [380408.800121] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 13 06:27:44 mong kernel: [380408.800137] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 13 06:27:44 mong kernel: [380408.800152] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 14 06:29:32 mong kernel: [466916.320039] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 14 06:29:32 mong kernel: [466916.320073] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 14 06:29:32 mong kernel: [466916.320089] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 14 06:29:32 mong kernel: [466916.320111] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 14 06:29:32 mong kernel: [466916.320126] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 14 06:29:32 mong kernel: [466916.320141] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 15 06:31:19 mong kernel: [553423.840042] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 15 06:31:19 mong kernel: [553423.840076] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 15 06:31:19 mong kernel: [553423.840092] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 15 06:31:19 mong kernel: [553423.840108] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 15 06:31:19 mong kernel: [553423.840124] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 15 06:31:19 mong kernel: [553423.840139] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 16 06:33:07 mong kernel: [639931.360040] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 16 06:33:07 mong kernel: [639931.360047] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 16 06:33:07 mong kernel: [639931.360049] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 16 06:33:07 mong kernel: [639931.360053] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 16 06:33:07 mong kernel: [639931.360054] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 16 06:33:07 mong kernel: [639931.360056] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 17 06:34:54 mong kernel: [726438.880039] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 17 06:34:54 mong kernel: [726438.880073] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 17 06:34:54 mong kernel: [726438.880090] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 17 06:34:54 mong kernel: [726438.880106] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 17 06:34:54 mong kernel: [726438.880121] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 17 06:34:54 mong kernel: [726438.880136] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 18 06:36:42 mong kernel: [812946.400045] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 18 06:36:42 mong kernel: [812946.400080] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 18 06:36:42 mong kernel: [812946.400097] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 18 06:36:42 mong kernel: [812946.400113] EXT4-fs (vda8): error count since 
last fsck: 1
Jan 18 06:36:42 mong kernel: [812946.400128] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 18 06:36:42 mong kernel: [812946.400143] EXT4-fs (vda8): last error at time 
1452489913: ext4_mb_release_inode_pa:3773
Jan 19 06:25:12 mong kernel: [898656.560460] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 90, block bitmap and bg descriptor 
inconsistent: 32144 vs 32142 free clusters
Jan 19 06:38:29 mong kernel: [899453.920057] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 19 06:38:29 mong kernel: [899453.920092] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 19 06:38:29 mong kernel: [899453.920108] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 19 06:38:29 mong kernel: [899453.920125] EXT4-fs (vda8): error count since 
last fsck: 2
Jan 19 06:38:29 mong kernel: [899453.920140] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 19 06:38:29 mong kernel: [899453.920155] EXT4-fs (vda8): last error at time 
1453181112: ext4_mb_generate_buddy:757
Jan 19 21:57:07 mong kernel: [954571.724321] EXT4-fs error (device vda1): 
ext4_mb_generate_buddy:757: group 4, block bitmap and bg descriptor 
inconsistent: 11912 vs 11910 free clusters
Jan 19 21:57:07 mong kernel: [954571.746144] EXT4-fs (vda1): Remounting 
filesystem read-only
Jan 19 21:57:07 mong kernel: [954571.747465] WARNING: CPU: 0 PID: 10236 at 
/build/linux-iKyi1u/linux-3.16.7-ckt20/fs/ext4/ext4_jbd2.c:266 
__ext4_handle_dirty_metadata+0x18e/0x1d0 [ext4]()
Jan 19 21:57:07 mong kernel: [954571.747494] Modules linked in: dm_mod 
xt_multiport iptable_filter ip_tables x_tables ppdev psmouse joydev evdev 
serio_raw pcspkr ttm drm_kms_helper i2c_piix4 drm parport_pc parport processor 
pvpanic i2c_core virtio_balloon thermal_sys button loop autofs4 ext4 crc16 
mbcache jbd2 hid_generic usbhid hid ata_generic virtio_blk virtio_net uhci_hcd 
ehci_hcd ata_piix libata floppy usbcore virtio_pci virtio_ring virtio 
usb_common scsi_mod
Jan 19 21:57:07 mong kernel: [954571.747619]  [<ffffffffa018e65e>] ? 
__ext4_handle_dirty_metadata+0x18e/0x1d0 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747626]  [<ffffffffa01676d5>] ? 
ext4_dirty_inode+0x25/0x60 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747634]  [<ffffffffa0196c22>] ? 
ext4_free_blocks+0x602/0xb90 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747645]  [<ffffffffa0189da4>] ? 
ext4_ext_remove_space+0x804/0x1080 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747653]  [<ffffffffa018c5e8>] ? 
ext4_ext_truncate+0x98/0xc0 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747659]  [<ffffffffa0165b71>] ? 
ext4_truncate+0x391/0x3e0 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747666]  [<ffffffffa0166698>] ? 
ext4_evict_inode+0x3d8/0x490 [ext4]
Jan 19 21:57:07 mong kernel: [954571.747683] EXT4: jbd2_journal_dirty_metadata 
failed: handle type 5 started at line 241, credits 32/32, errcode -30
Jan 19 21:57:07 mong kernel: [954571.751696] EXT4: jbd2_journal_dirty_metadata 
failed: handle type 5 started at line 241, credits 32/32, errcode 
-30<2>[954571.753820] EXT4-fs error (device vda1) in ext4_free_blocks:4895: 
Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.756056] EXT4-fs error (device vda1) in 
ext4_reserve_inode_write:4923: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.758897] EXT4-fs error (device vda1) in 
ext4_reserve_inode_write:4923: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.762049] EXT4-fs error (device vda1) in 
ext4_ext_remove_space:3017: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.764316] EXT4-fs error (device vda1) in 
ext4_ext_truncate:4661: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.766500] EXT4-fs error (device vda1) in 
ext4_reserve_inode_write:4923: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.768722] EXT4-fs error (device vda1) in 
ext4_truncate:3820: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.770552] EXT4-fs error (device vda1) in 
ext4_reserve_inode_write:4923: Journal has aborted
Jan 19 21:57:07 mong kernel: [954571.772921] EXT4-fs error (device vda1) in 
ext4_orphan_del:2716: Journal has aborted
Jan 20 01:04:26 mong kernel: [965810.810668] EXT4-fs error: 1 callbacks 
suppressed
Jan 20 01:04:26 mong kernel: [965810.810675] EXT4-fs error (device vda1): 
ext4_lookup:1441: inode #18: comm cp: deleted inode referenced: 25492
Jan 20 01:12:01 mong kernel: [966265.914158] EXT4-fs error (device vda1): 
ext4_lookup:1441: inode #18: comm ls: deleted inode referenced: 25492
Jan 20 01:19:15 mong kernel: [966699.932763] EXT4-fs error (device vda1): 
ext4_lookup:1441: inode #18: comm vbda: deleted inode referenced: 25492
Jan 20 01:19:51 mong kernel: [966735.611750] EXT4-fs error (device vda1): 
ext4_lookup:1441: inode #18: comm vbda: deleted inode referenced: 25492
Jan 20 06:40:17 mong kernel: [985961.440045] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 20 06:40:17 mong kernel: [985961.440079] EXT4-fs (vda6): initial error at 
time 1452576312: ext4_mb_generate_buddy:757
Jan 20 06:40:17 mong kernel: [985961.440095] EXT4-fs (vda6): last error at time 
1452576312: ext4_mb_generate_buddy:757
Jan 20 06:40:17 mong kernel: [985961.440112] EXT4-fs (vda8): error count since 
last fsck: 2
Jan 20 06:40:17 mong kernel: [985961.440127] EXT4-fs (vda8): initial error at 
time 1452489913: ext4_mb_release_inode_pa:3773
Jan 20 06:40:17 mong kernel: [985961.440142] EXT4-fs (vda8): last error at time 
1453181112: ext4_mb_generate_buddy:757
Jan 20 08:20:24 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Jan 20 08:20:24 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan 20 08:20:24 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan 20 08:20:24 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan 20 08:20:24 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Jan 20 08:20:24 mong kernel: [    0.092576] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan 20 08:20:24 mong kernel: [    0.595768] Freeing initrd memory: 14408K 
(ffff88000ecc3000 - ffff88000fad5000)
Jan 20 08:20:24 mong kernel: [    0.633533] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan 20 08:20:24 mong kernel: [    0.634371] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan 20 08:20:24 mong kernel: [    0.634968] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan 20 08:20:24 mong kernel: [    1.319446] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:20:24 mong kernel: [    3.654286] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan 20 08:20:24 mong kernel: [    3.677158] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:20:24 mong kernel: [    3.678596] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:20:24 mong kernel: [    3.682372] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:23:09 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Jan 20 08:23:09 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan 20 08:23:09 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan 20 08:23:09 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan 20 08:23:09 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Jan 20 08:23:09 mong kernel: [    0.121326] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan 20 08:23:09 mong kernel: [    0.723014] Freeing initrd memory: 14408K 
(ffff88000ecb9000 - ffff88000facb000)
Jan 20 08:23:09 mong kernel: [    0.810270] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan 20 08:23:09 mong kernel: [    0.814247] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan 20 08:23:09 mong kernel: [    0.816598] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan 20 08:23:09 mong kernel: [    1.241009] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:23:09 mong kernel: [    2.395592] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan 20 08:23:09 mong kernel: [    2.424890] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:23:09 mong kernel: [    2.490863] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:23:09 mong kernel: [    3.761497] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:34:18 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Jan 20 08:34:18 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan 20 08:34:18 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan 20 08:34:18 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan 20 08:34:18 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Jan 20 08:34:18 mong kernel: [    0.121034] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan 20 08:34:18 mong kernel: [    0.726753] Freeing initrd memory: 14408K 
(ffff88000ecb9000 - ffff88000facb000)
Jan 20 08:34:18 mong kernel: [    0.814117] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan 20 08:34:18 mong kernel: [    0.818080] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan 20 08:34:18 mong kernel: [    0.820475] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan 20 08:34:18 mong kernel: [    1.229884] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:34:18 mong kernel: [    2.436061] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan 20 08:34:18 mong kernel: [    2.476361] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:34:18 mong kernel: [    2.480175] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 20 08:34:18 mong kernel: [    2.931271] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 22 18:58:25 mong kernel: [210251.634414] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 1, block bitmap and bg descriptor 
inconsistent: 7931 vs 7930 free clusters
Jan 22 20:16:37 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Jan 22 20:16:37 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan 22 20:16:37 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan 22 20:16:37 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan 22 20:16:37 mong kernel: [    0.000000] Memory: 231532K/261744K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 30212K 
reserved)
Jan 22 20:16:37 mong kernel: [    0.090457] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan 22 20:16:37 mong kernel: [    0.543514] Freeing initrd memory: 14408K 
(ffff88000ecc3000 - ffff88000fad5000)
Jan 22 20:16:37 mong kernel: [    0.581292] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan 22 20:16:37 mong kernel: [    0.582145] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan 22 20:16:37 mong kernel: [    0.582805] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan 22 20:16:37 mong kernel: [    1.680513] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 22 20:16:37 mong kernel: [   15.075969] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan 22 20:16:37 mong kernel: [   15.087407] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 22 20:16:37 mong kernel: [   15.109937] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 22 20:16:37 mong kernel: [   15.152203] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 24 22:59:56 mong kernel: [182622.726779] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 1, block bitmap and bg descriptor 
inconsistent: 7785 vs 7784 free clusters
Jan 25 23:03:53 mong kernel: [269259.744036] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 25 23:03:53 mong kernel: [269259.744042] EXT4-fs (vda6): initial error at 
time 1453672796: ext4_mb_generate_buddy:757
Jan 25 23:03:53 mong kernel: [269259.744044] EXT4-fs (vda6): last error at time 
1453672796: ext4_mb_generate_buddy:757
Jan 26 08:58:35 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep ext4 /var/log/syslog-2016*.gz
Jan 26 09:01:39 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep ext4 /var/log/syslog-2016*.gz
Jan 26 09:02:08 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h ext4 /var/log/syslog-2016*.gz |less
Jan 26 09:03:01 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz |less
Jan 26 09:03:42 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz |less
Jan 26 09:12:47 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz |less
Jan 26 09:13:16 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz |less
Jan 26 09:45:19 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2015*.gz |less
Jan 26 09:46:36 mong [audit zito as root/5557 on pts/1/::1:49208->::1:22] 
/root: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2015*.gz |less
Jan 26 10:15:47 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Jan 26 10:15:47 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Jan 26 10:15:47 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Jan 26 10:15:47 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Jan 26 10:15:47 mong kernel: [    0.000000] Memory: 489560K/523888K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 34328K 
reserved)
Jan 26 10:15:47 mong kernel: [    0.132778] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Jan 26 10:15:47 mong kernel: [    0.883840] Freeing initrd memory: 14416K 
(ffff88001ecb2000 - ffff88001fac6000)
Jan 26 10:15:47 mong kernel: [    0.991610] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Jan 26 10:15:47 mong kernel: [    0.996889] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Jan 26 10:15:47 mong kernel: [    1.000053] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Jan 26 10:15:47 mong kernel: [    1.791401] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 26 10:15:47 mong kernel: [    4.821625] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Jan 26 10:15:47 mong kernel: [    4.848811] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 26 10:15:47 mong kernel: [    4.858139] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 26 10:15:47 mong kernel: [    6.222288] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Jan 27 02:02:04 mong kernel: [56784.936926] EXT4-fs error (device vda6): 
ext4_mb_generate_buddy:757: group 1, block bitmap and bg descriptor 
inconsistent: 7555 vs 7553 free clusters
Jan 28 02:06:10 mong kernel: [143430.624048] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 28 02:06:10 mong kernel: [143430.625412] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Jan 28 02:06:10 mong kernel: [143430.627266] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Jan 28 09:57:25 mong [audit zito as root/19540 on pts/1/::1:57975->::1:22] 
/root: journalctl |fgrep -i ext4
Jan 29 02:07:57 mong kernel: [229938.144046] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 29 02:07:57 mong kernel: [229938.145424] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Jan 29 02:07:57 mong kernel: [229938.147319] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Jan 30 02:09:45 mong kernel: [316445.664042] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 30 02:09:45 mong kernel: [316445.665325] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Jan 30 02:09:45 mong kernel: [316445.667708] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Jan 31 02:11:32 mong kernel: [402953.184042] EXT4-fs (vda6): error count since 
last fsck: 1
Jan 31 02:11:32 mong kernel: [402953.185663] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Jan 31 02:11:32 mong kernel: [402953.188080] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  1 02:13:20 mong kernel: [489460.704034] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  1 02:13:20 mong kernel: [489460.705640] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  1 02:13:20 mong kernel: [489460.708036] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  2 02:15:07 mong kernel: [575968.224029] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  2 02:15:07 mong kernel: [575968.225623] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  2 02:15:07 mong kernel: [575968.228022] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  3 01:25:38 mong kernel: [659398.824440] EXT4-fs error (device vda8): 
ext4_mb_generate_buddy:757: group 49, block bitmap and bg descriptor 
inconsistent: 526 vs 525 free clusters
Feb  3 02:16:55 mong kernel: [662475.744031] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  3 02:16:55 mong kernel: [662475.745655] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  3 02:16:55 mong kernel: [662475.748062] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  4 01:26:17 mong kernel: [745837.536045] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  4 01:26:17 mong kernel: [745837.537672] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  4 01:26:17 mong kernel: [745837.540055] EXT4-fs (vda8): last error at time 
1454459138: ext4_mb_generate_buddy:757
Feb  4 02:18:42 mong kernel: [748983.264043] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  4 02:18:42 mong kernel: [748983.265658] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  4 02:18:42 mong kernel: [748983.268030] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  5 01:28:04 mong kernel: [832345.056053] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  5 01:28:04 mong kernel: [832345.057688] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  5 01:28:04 mong kernel: [832345.060071] EXT4-fs (vda8): last error at time 
1454459138: ext4_mb_generate_buddy:757
Feb  5 02:20:30 mong kernel: [835490.784039] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  5 02:20:30 mong kernel: [835490.785640] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  5 02:20:30 mong kernel: [835490.788155] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  6 01:29:52 mong kernel: [918852.576057] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  6 01:29:52 mong kernel: [918852.577692] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  6 01:29:52 mong kernel: [918852.580091] EXT4-fs (vda8): last error at time 
1454459138: ext4_mb_generate_buddy:757
Feb  6 02:22:17 mong kernel: [921998.304050] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  6 02:22:17 mong kernel: [921998.305692] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  6 02:22:17 mong kernel: [921998.308149] EXT4-fs (vda6): last error at time 
1453856524: ext4_mb_generate_buddy:757
Feb  7 01:31:39 mong kernel: [1005360.096041] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  7 01:31:39 mong kernel: [1005360.097665] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  7 01:31:39 mong kernel: [1005360.100052] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  7 02:24:05 mong kernel: [1008505.824034] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  7 02:24:05 mong kernel: [1008505.825634] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  7 02:24:05 mong kernel: [1008505.828004] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  8 01:33:27 mong kernel: [1091867.616031] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  8 01:33:27 mong kernel: [1091867.617622] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  8 01:33:27 mong kernel: [1091867.620043] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  8 02:25:52 mong kernel: [1095013.344028] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  8 02:25:52 mong kernel: [1095013.345695] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  8 02:25:52 mong kernel: [1095013.348121] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  9 01:35:14 mong kernel: [1178375.136044] EXT4-fs (vda8): error count since 
last fsck: 1
Feb  9 01:35:14 mong kernel: [1178375.137708] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  9 01:35:14 mong kernel: [1178375.140197] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb  9 02:27:40 mong kernel: [1181520.864046] EXT4-fs (vda6): error count since 
last fsck: 1
Feb  9 02:27:40 mong kernel: [1181520.865643] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb  9 02:27:40 mong kernel: [1181520.868064] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 10 01:37:02 mong kernel: [1264882.656043] EXT4-fs (vda8): error count since 
last fsck: 1
Feb 10 01:37:02 mong kernel: [1264882.657673] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 10 01:37:02 mong kernel: [1264882.660079] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 10 02:29:27 mong kernel: [1268028.384050] EXT4-fs (vda6): error count since 
last fsck: 1
Feb 10 02:29:27 mong kernel: [1268028.385653] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 10 02:29:27 mong kernel: [1268028.388041] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 11 01:38:49 mong kernel: [1351390.176059] EXT4-fs (vda8): error count since 
last fsck: 1
Feb 11 01:38:49 mong kernel: [1351390.177720] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 11 01:38:49 mong kernel: [1351390.180109] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 11 02:31:15 mong kernel: [1354535.904055] EXT4-fs (vda6): error count since 
last fsck: 1
Feb 11 02:31:15 mong kernel: [1354535.905642] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 11 02:31:15 mong kernel: [1354535.908117] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 12 01:40:37 mong kernel: [1437897.696054] EXT4-fs (vda8): error count since 
last fsck: 1
Feb 12 01:40:37 mong kernel: [1437897.697687] EXT4-fs (vda8): initial error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 12 01:40:37 mong kernel: [1437897.700117] EXT4-fs (vda8): last error at 
time 1454459138: ext4_mb_generate_buddy:757
Feb 12 02:33:02 mong kernel: [1441043.424059] EXT4-fs (vda6): error count since 
last fsck: 1
Feb 12 02:33:02 mong kernel: [1441043.425709] EXT4-fs (vda6): initial error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 12 02:33:02 mong kernel: [1441043.428285] EXT4-fs (vda6): last error at 
time 1453856524: ext4_mb_generate_buddy:757
Feb 12 20:21:44 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Feb 12 20:21:44 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Feb 12 20:21:44 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Feb 12 20:21:44 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Feb 12 20:21:44 mong kernel: [    0.000000] Memory: 489560K/523888K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 34328K 
reserved)
Feb 12 20:21:44 mong kernel: [    0.091352] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Feb 12 20:21:44 mong kernel: [    0.542078] Freeing initrd memory: 14416K 
(ffff88001ecba000 - ffff88001face000)
Feb 12 20:21:44 mong kernel: [    0.575908] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Feb 12 20:21:44 mong kernel: [    0.576750] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Feb 12 20:21:44 mong kernel: [    0.577363] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Feb 12 20:21:44 mong kernel: [    2.648356] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 12 20:21:44 mong kernel: [   16.414452] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Feb 12 20:21:44 mong kernel: [   16.518280] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 12 20:21:44 mong kernel: [   17.025139] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 12 20:21:44 mong kernel: [   25.288323] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 15 16:10:28 mong [audit zito as root/24499 on pts/1/::1:55837->::1:22] 
/root/fsbug: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz |less
Feb 19 20:54:53 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17)
Feb 19 20:54:53 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Feb 19 20:54:53 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Feb 19 20:54:53 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Feb 19 20:54:53 mong kernel: [    0.000000] Memory: 489560K/523888K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 34328K 
reserved)
Feb 19 20:54:53 mong kernel: [    0.091146] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Feb 19 20:54:53 mong kernel: [    0.549755] Freeing initrd memory: 14416K 
(ffff88001ecba000 - ffff88001face000)
Feb 19 20:54:53 mong kernel: [    0.587364] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Feb 19 20:54:53 mong kernel: [    0.588272] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Feb 19 20:54:53 mong kernel: [    0.588893] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Feb 19 20:54:53 mong kernel: [    1.697422] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 19 20:54:53 mong kernel: [   13.447320] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Feb 19 20:54:53 mong kernel: [   13.500143] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 19 20:54:53 mong kernel: [   13.562881] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Feb 19 20:54:53 mong kernel: [   13.568275] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Mar  4 20:11:14 mong kernel: [    0.000000] Linux version 3.16.0-4-amd64 
(debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP 
Debian 3.16.7-ckt20-1+deb8u4 (2016-02-29)
Mar  4 20:11:14 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x0009f000-0x0009ffff]
Mar  4 20:11:14 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000a0000-0x000effff]
Mar  4 20:11:14 mong kernel: [    0.000000] PM: Registered nosave memory: [mem 
0x000f0000-0x000fffff]
Mar  4 20:11:14 mong kernel: [    0.000000] Memory: 489560K/523888K available 
(5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 34328K 
reserved)
Mar  4 20:11:14 mong kernel: [    0.089520] Freeing SMP alternatives memory: 
20K (ffffffff81a1b000 - ffffffff81a20000)
Mar  4 20:11:14 mong kernel: [    0.554791] Freeing initrd memory: 14416K 
(ffff88001eca2000 - ffff88001fab6000)
Mar  4 20:11:14 mong kernel: [    0.591856] Freeing unused kernel memory: 1204K 
(ffffffff818ee000 - ffffffff81a1b000)
Mar  4 20:11:14 mong kernel: [    0.592807] Freeing unused kernel memory: 912K 
(ffff88000151c000 - ffff880001600000)
Mar  4 20:11:14 mong kernel: [    0.593409] Freeing unused kernel memory: 212K 
(ffff8800017cb000 - ffff880001800000)
Mar  4 20:11:14 mong kernel: [    2.883895] EXT4-fs (vda1): mounted filesystem 
with ordered data mode. Opts: (null)
Mar  4 20:11:14 mong kernel: [   18.376047] EXT4-fs (vda1): re-mounted. Opts: 
errors=remount-ro
Mar  4 20:11:14 mong kernel: [   18.524080] EXT4-fs (vda6): mounted filesystem 
with ordered data mode. Opts: (null)
Mar  4 20:11:14 mong kernel: [   18.582014] EXT4-fs (vda8): mounted filesystem 
with ordered data mode. Opts: (null)
Mar  4 20:11:14 mong kernel: [   18.611943] EXT4-fs (vda5): mounted filesystem 
with ordered data mode. Opts: (null)
Mar  7 08:52:29 mong [audit zito as root/5818 on pts/1/::1:37821->::1:22] 
/root/fsbug: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-2016*.gz
Mar  7 08:52:49 mong [audit zito as root/5818 on pts/1/::1:37821->::1:22] 
/root/fsbug: zfgrep -h -e  ext4 -e BIOS /var/log/syslog-201[56]*.gz >fsbug.log

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