I got another non-fatal Oops (attached), this time in a simpler
situation. Before, I was reading a disk image (from a USB port) and
writing on an ext2 filesystem (on another USB port).
This time I first read the disk image without problems on the internal
disk, and the Oops happened when copying the image to the USB
filesystem. The image is 500 GB long and it stopped after writing
288006127616 bytes (this is the length I see with ls -l) on the
USB-mounted partition.
Here is the Oops:
Mar 11 13:47:07 tucano kernel: [181361.208076] EXT2-fs (sdh1): warning:
mounting unchecked fs, running e2fsck is recommended
Mar 11 22:37:40 tucano kernel: [213196.226240] BUG: unable to handle kernel
NULL pointer dereference at (null)
Mar 11 22:37:40 tucano kernel: [213196.226420] IP: [<ffffffffa0576c9d>]
ext2_get_blocks+0x4ad/0x6da [ext2]
Mar 11 22:37:40 tucano kernel: [213196.226570] PGD 30fc11067 PUD 12340d067 PMD
0
Mar 11 22:37:40 tucano kernel: [213196.226679] Oops: 0002 [#2] SMP
Mar 11 22:37:40 tucano kernel: [213196.226756] CPU 3
Mar 11 22:37:40 tucano kernel: [213196.226800] Modules linked in: ext4 jbd2
ext2 cpufreq_userspace cpufreq_stats ppdev cpufreq_powersave
cpufreq_conservative lp bnep rfcomm binfmt_misc fuse nfsd nfs nfs_acl
auth_rpcgss fscache lockd sunrpc dm_crypt k8temp hwmon_vid tcp_diag inet_diag
firewire_sbp2 firewire_core crc_itu_t psmouse joydev btusb parport_pc parport
asus_atk0110 bluetooth rfkill crc16 pcmcia radeon ttm drm_kms_helper drm
yenta_socket pcmcia_rsrc pcmcia_core power_supply i2c_algo_bit button wmi evdev
sp5100_tco snd_hda_codec_via powernow_k8 mperf processor snd_hda_intel
snd_hda_codec snd_hwdep thermal_sys i2c_piix4 pcspkr snd_pcm_oss snd_mixer_oss
snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq
snd_seq_device snd_timer snd soundcore i2c_core shpchp edac_mce_amd edac_core
k10temp ext3 mbcache jbd usbhid hid raid1 md_mod dm_mirror dm_region_hash
dm_log dm_mod usb_storage sg sr_mod sd_mod cdrom crc_t10dif ata_generic
pata_atiixp ohci_hcd ahci libahci xhci_hcd libata r8169 m
Mar 11 22:37:40 tucano kernel: ci_hcd scsi_mod usbcore usb_common [last
unloaded: scsi_wait_scan]
Mar 11 22:37:40 tucano kernel: [213196.228969]
Mar 11 22:37:41 tucano kernel: [213196.228969] Pid: 14561, comm: mv Tainted: G
D 3.2.0-4-amd64 #1 Debian 3.2.35-2 System manufacturer System Product
Name/M4A88T-M/USB3
Mar 11 22:37:41 tucano kernel: [213196.228969] RIP: 0010:[<ffffffffa0576c9d>]
[<ffffffffa0576c9d>] ext2_get_blocks+0x4ad/0x6da [ext2]
Mar 11 22:37:41 tucano kernel: [213196.228969] RSP: 0018:ffff8801540ab9b8
EFLAGS: 00010246
Mar 11 22:37:41 tucano kernel: [213196.228969] RAX: 0000000000000000 RBX:
ffff88014f930178 RCX: 0000000000000034
Mar 11 22:37:41 tucano kernel: [213196.228969] RDX: 0000000000000000 RSI:
ffffea0003e67ca8 RDI: ffffea0003e67ca8
Mar 11 22:37:41 tucano kernel: [213196.228969] RBP: 0000000000000000 R08:
0000000000000000 R09: 0000000000003e81
Mar 11 22:37:41 tucano kernel: [213196.228969] R10: 0000000000003bbd R11:
0000000000003bbd R12: ffff88000fe35c90
Mar 11 22:37:41 tucano kernel: [213196.228969] R13: ffff8801540aba40 R14:
ffff8801540aba40 R15: 0000000000000004
Mar 11 22:37:41 tucano kernel: [213196.228969] FS: 00007f344550e7a0(0000)
GS:ffff88031fcc0000(0000) knlGS:00000000ef0fbb70
Mar 11 22:37:41 tucano kernel: [213196.228969] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Mar 11 22:37:41 tucano kernel: [213196.228969] CR2: 0000000000000000 CR3:
0000000165fab000 CR4: 00000000000006e0
Mar 11 22:37:41 tucano kernel: [213196.228969] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Mar 11 22:37:41 tucano kernel: [213196.228969] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar 11 22:37:41 tucano kernel: [213196.228969] Process mv (pid: 14561,
threadinfo ffff8801540aa000, task ffff88030ecd6f20)
Mar 11 22:37:41 tucano kernel: [213196.228969] Stack:
Mar 11 22:37:41 tucano kernel: [213196.228969] 0000000000000000
ffff880100000002 000000000baa16be 0000000000000001
Mar 11 22:37:41 tucano kernel: [213196.228969] ffff88014f930158
0000000000000001 0000000100000000 000000000430e80c
Mar 11 22:37:41 tucano kernel: [213196.228969] 0000000000001000
ffff8801540aba98 ffff88030ee00220 ffff88014f930100
Mar 11 22:37:41 tucano kernel: [213196.228969] Call Trace:
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810ec47f>] ?
kmem_cache_alloc+0x86/0xea
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffffa0576eee>] ?
ext2_get_block+0x24/0x3d [ext2]
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff8111e0c5>] ?
__block_write_begin+0x139/0x2a9
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffffa0576eca>] ?
ext2_get_blocks+0x6da/0x6da [ext2]
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810b4ca6>] ?
grab_cache_page_write_begin+0x68/0xae
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff8111e446>] ?
block_write_begin+0x44/0x72
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffffa0576eca>] ?
ext2_get_blocks+0x6da/0x6da [ext2]
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffffa05770e1>] ?
ext2_write_begin+0x2a/0x4b [ext2]
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810b47af>] ?
generic_file_buffered_write+0x10f/0x259
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810b55e8>] ?
__generic_file_aio_write+0x248/0x278
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810b5c3d>] ?
generic_file_aio_read+0x570/0x5cf
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810363d8>] ?
should_resched+0x5/0x23
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810b5675>] ?
generic_file_aio_write+0x5d/0xb5
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810f95d4>] ?
do_sync_write+0xb4/0xec
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff811258ed>] ?
fsnotify+0x1f9/0x20c
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff81109b2e>] ?
dput+0x27/0xee
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff81163995>] ?
security_file_permission+0x16/0x2d
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810f9cc5>] ?
vfs_write+0xa2/0xe9
Mar 11 22:37:42 tucano kernel: [213196.228969] [<ffffffff810f9ea2>] ?
sys_write+0x45/0x6b
Mar 11 22:37:43 tucano kernel: [213196.228969] [<ffffffff81352012>] ?
system_call_fastpath+0x16/0x1b
Mar 11 22:37:43 tucano kernel: [213196.228969] Code: 43 28 48 8b b4 ec b8 00 00
00 48 8b 50 18 48 8b b8 20 01 00 00 e8 9e 64 ba e0 49 89 46 28 48 89 04 24 e8
87 50 dd e0 48 8b 14 24 <f0> 0f ba 2a 02 19 c0 85 c0 74 10 48 89 d7 48 89 14 24
e8 0e 5d
Mar 11 22:37:43 tucano kernel: [213196.228969] RIP [<ffffffffa0576c9d>]
ext2_get_blocks+0x4ad/0x6da [ext2]
Mar 11 22:37:43 tucano kernel: [213196.228969] RSP <ffff8801540ab9b8>
Mar 11 22:37:43 tucano kernel: [213196.228969] CR2: 0000000000000000
Mar 11 22:37:43 tucano kernel: [213196.624754] ---[ end trace 8688ecdf8986dc7a
]---
Mar 11 22:38:40 tucano kernel: [213256.523507] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523520] sdh1: rw=1, want=1565565936,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523585] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523592] sdh1: rw=1, want=1565566176,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523655] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523661] sdh1: rw=1, want=1565566416,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523721] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523727] sdh1: rw=1, want=1565566656,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523789] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523795] sdh1: rw=1, want=1565566896,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523853] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523859] sdh1: rw=1, want=1565567136,
limit=1565565809
Mar 11 22:38:40 tucano kernel: [213256.523919] attempt to access beyond end of
device
Mar 11 22:38:40 tucano kernel: [213256.523925] sdh1: rw=1, want=1565567376,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.523987] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.523992] sdh1: rw=1, want=1565567616,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524113] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524122] sdh1: rw=1, want=1565567856,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524183] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524191] sdh1: rw=1, want=1565568096,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524253] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524266] sdh1: rw=1, want=1565568336,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524329] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524337] sdh1: rw=1, want=1565568576,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524400] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524408] sdh1: rw=1, want=1565568816,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524470] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524479] sdh1: rw=1, want=1565569056,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524544] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524553] sdh1: rw=1, want=1565569296,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524612] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524620] sdh1: rw=1, want=1565569536,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524684] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524693] sdh1: rw=1, want=1565569776,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524755] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524764] sdh1: rw=1, want=1565570016,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524824] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524833] sdh1: rw=1, want=1565570256,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524888] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524897] sdh1: rw=1, want=1565570432,
limit=1565565809
Mar 11 22:38:41 tucano kernel: [213256.524930] attempt to access beyond end of
device
Mar 11 22:38:41 tucano kernel: [213256.524939] sdh1: rw=1, want=1565570544,
limit=1565565809
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