C de-Avillez, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1048744/comments/18
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** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1048744
Title:
ext4: unable to handle kernel NULL pointer dereference at 0000001a
Status in “linux” package in Ubuntu:
Invalid
Bug description:
During the execution of http://<internal>/view/sru-kernel/view
/Quantal-lts-hwe/job/sru_kernel-quantal_lts_hwe-generic_i386_pae-
intel_64-mga_g200ew/11/:
Sep 10 08:31:47 phact kernel: [ 3582.684927] BUG: unable to handle kernel
NULL pointer dereference at 0000001a
Sep 10 08:31:47 phact kernel: [ 3582.685347] IP: [<c12d8f5f>] strchr+0xf/0x30
Sep 10 08:31:47 phact kernel: [ 3582.685592] *pdpt = 0000000031b06001 *pde =
0000000000000000
Sep 10 08:31:47 phact kernel: [ 3582.685929] Oops: 0000 [#1] SMP
Sep 10 08:31:47 phact kernel: [ 3582.686121] Modules linked in: quota_v2
quota_tree btrfs zlib_deflate libcrc32c xfs ext2 dm_multipath scsi_dh vesafb
coretemp joydev kvm microcode hid_generic dcdbas lpc_ich mac_hid lp parport
usbhid hid mpt2sas scsi_transport_sas raid_class bnx2 [last unloaded: signpost]
Sep 10 08:31:47 phact kernel: [ 3582.687791]
Sep 10 08:31:47 phact kernel: [ 3582.687887] Pid: 4568, comm: setquota
Tainted: G O 3.5.0-14-generic #15~precise1-Ubuntu Dell Inc. PowerEdge
R210 II/09T7VV
Sep 10 08:31:47 phact kernel: [ 3582.688679] EIP: 0060:[<c12d8f5f>] EFLAGS:
00210246 CPU: 0
Sep 10 08:31:47 phact kernel: [ 3582.688993] EIP is at strchr+0xf/0x30
Sep 10 08:31:47 phact kernel: [ 3582.689202] EAX: 00003d3d EBX: c1604be4 ECX:
00180000 EDX: 0000003d
Sep 10 08:31:47 phact kernel: [ 3582.689560] ESI: 0000001a EDI: 00380800 EBP:
e4c93eac ESP: e4c93ea8
Sep 10 08:31:47 phact kernel: [ 3582.689953] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Sep 10 08:31:47 phact kernel: [ 3582.690261] CR0: 8005003b CR2: 0000001a CR3:
0fff7000 CR4: 000407f0
Sep 10 08:31:47 phact kernel: [ 3582.690618] DR0: 00000000 DR1: 00000000 DR2:
00000000 DR3: 00000000
Sep 10 08:31:47 phact kernel: [ 3582.690980] DR6: ffff0ff0 DR7: 00000400
Sep 10 08:31:47 phact kernel: [ 3582.691196] Process setquota (pid: 4568,
ti=e4c92000 task=f19c3f70 task.ti=e4c92000)
Sep 10 08:31:47 phact kernel: [ 3582.691642] Stack:
Sep 10 08:31:47 phact kernel: [ 3582.691753] 0000002c e4c93ef4 c11e7fa7
cb336540 c17b97a5 0000002c c17b8c97 00000034
Sep 10 08:31:47 phact kernel: [ 3582.692251] 0000002c da870400 f269c000
8c02c010 f269ac00 00000000 2c9e60d8 cb336540
Sep 10 08:31:47 phact kernel: [ 3582.701294] f269ac00 cb336540 00000000
e4c93efc c11e8532 e4c93f1c c1189df6 f29e60d0
Sep 10 08:31:47 phact kernel: [ 3582.719563] Call Trace:
Sep 10 08:31:47 phact kernel: [ 3582.728376] [<c11e7fa7>]
_ext4_show_options+0xf7/0x670
Sep 10 08:31:47 phact kernel: [ 3582.737003] [<c11e8532>]
ext4_show_options+0x12/0x20
Sep 10 08:31:47 phact kernel: [ 3582.745741] [<c1189df6>]
show_vfsmnt+0xc6/0x110
Sep 10 08:31:47 phact kernel: [ 3582.754474] [<c116ca00>] m_show+0x10/0x20
Sep 10 08:31:47 phact kernel: [ 3582.763012] [<c1170973>]
seq_read+0x203/0x380
Sep 10 08:31:47 phact kernel: [ 3582.771433] [<c11533cc>] vfs_read+0x8c/0x160
Sep 10 08:31:47 phact kernel: [ 3582.779533] [<c1170770>] ?
seq_lseek+0x170/0x170
Sep 10 08:31:47 phact kernel: [ 3582.787306] [<c11534dd>] sys_read+0x3d/0x70
Sep 10 08:31:47 phact kernel: [ 3582.794974] [<c15e7e1f>]
sysenter_do_call+0x12/0x28
Sep 10 08:31:47 phact kernel: [ 3582.802652] Code: 19 c0 0c 01 8b 75 f8 8b 7d
fc 89 ec 5d c3 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 56 66 66 66
66 90 89 c6 89 d0 88 c4 <ac> 38 e0 74 09 84 c0 75 f7 be 01 00 00 00 89 f0 48 5e
5d c3 8d
Sep 10 08:31:47 phact kernel: [ 3582.826515] EIP: [<c12d8f5f>]
strchr+0xf/0x30 SS:ESP 0068:e4c93ea8
Sep 10 08:31:47 phact kernel: [ 3582.834566] CR2: 000000000000001a
Sep 10 08:31:47 phact kernel: [ 3582.854856] ---[ end trace 0e06ca00ee7a2b7f
]---
Last lines of the console for the Jenkins job:
8:31:34 INFO | START xfstests.233.ext4 xfstests.233.ext4
timestamp=1347280294 localtime=Sep 10 08:31:34
08:31:45 INFO | GOOD xfstests.233.ext4
xfstests.233.ext4 timestamp=1347280305 localtime=Sep 10 08:31:45
completed successfully
08:31:45 INFO | END GOOD xfstests.233.ext4
xfstests.233.ext4 timestamp=1347280305 localtime=Sep 10 08:31:45
08:31:45 INFO | START xfstests.234.ext4 xfstests.234.ext4
timestamp=1347280305 localtime=Sep 10 08:31:45
So it is probable the BUG happened during xfstests.234.ext4.
'ubuntu-bug' is not finishing; I will try an 'apport-collect'.
---
AlsaDevices:
total 0
crw-rw---T 1 root audio 116, 1 Sep 10 14:46 seq
crw-rw---T 1 root audio 116, 33 Sep 10 14:46 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.0.1-0ubuntu13
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
CurrentDmesg:
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=1fb95ad1-30aa-46cc-bea0-ce63b2d62f29
IwConfig: Error: [Errno 2] No such file or directory
MachineType: Dell Inc. PowerEdge R210 II
Package: linux (not installed)
PciMultimedia:
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic
root=UUID=ce655edd-548e-458d-9195-113022b84e9c ro quiet
ProcVersionSignature: Ubuntu 3.5.0-14.15~precise1-generic 3.5.3
RelatedPackageVersions:
linux-restricted-modules-3.5.0-14-generic N/A
linux-backports-modules-3.5.0-14-generic N/A
linux-firmware 1.79.1
RfKill: Error: [Errno 2] No such file or directory
Tags: precise
Uname: Linux 3.5.0-14-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout lpadmin plugdev sambashare sudo
dmi.bios.date: 05/06/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.1
dmi.board.name: 09T7VV
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.1.1:bd05/06/2011:svnDellInc.:pnPowerEdgeR210II:pvr:rvnDellInc.:rn09T7VV:rvrA01:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R210 II
dmi.sys.vendor: Dell Inc.
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