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* [BUG] Oops while mkfs.ext3 in block/writeback
@ 2010-09-20 15:49 Anisse Astier
  2010-09-24  9:24 ` Anisse Astier
  0 siblings, 1 reply; 2+ messages in thread
From: Anisse Astier @ 2010-09-20 15:49 UTC (permalink / raw)
  To: linux-fsdevel

Hi,

(Please Cc: me since I'm not subscribed to fsdevel)

I had this oops on a Toshiba L670D laptop; I was able to reproduce with
version 2.6.33.3 and 2.6.31.6 (I know these aren't up-to-date).
This happened while running "mkfs.ext3 -O dir_index -L home /dev/sda9".

Oops:

[   71.731461] BUG: unable to handle kernel NULL pointer dereference at (null)
[   71.732128] IP: [<c108df53>] __block_write_full_page+0x10f/0x2e0
[   71.732128] *pde = 00000000 
[   71.732128] Oops: 0000 [#1] SMP 
[   71.732128] last sysfs file: /sys/devices/pci0000:00/0000:00:11.0/host0/target0:0:0/0:0:0:0/block/sda/sda9/size
[   71.732128] Modules linked in: ipv6 fuse snd_hda_codec_atihdmi uvcvideo videodev snd_hda_codec_realtek usb_storage video v4l1_compat snd_hda_intel output snd_hda_codec battery ac rtc_cmos snd_hwdep rtc_core snd_pcm rtc_lib snd_timer r8192se_pci snd i2c_piix4 snd_page_alloc i2c_core button processor nfs lockd nfs_acl auth_rpcgss sunrpc smsc95xx usbnet ohci_hcd ehci_hcd usbcore thermal thermal_sys
[   71.732128] 
[   71.732128] Pid: 2642, comm: flush-8:0 Not tainted 2.6.35.4 #30 NALAE/Satellite L670D
[   71.732128] EIP: 0060:[<c108df53>] EFLAGS: 00010297 CPU: 1
[   71.732128] EIP is at __block_write_full_page+0x10f/0x2e0
[   71.732128] EAX: 00003a9d EBX: 03080313 ECX: 00000002 EDX: 0000000a
[   71.732128] ESI: 00000000 EDI: 00000000 EBP: c145e5e0 ESP: f6ab7dc0
[   71.732128]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[   71.732128] Process flush-8:0 (pid: 2642, ti=f6ab6000 task=f59c63b0 task.ti=f6ab6000)
[   71.790021] Stack:
[   71.790021]  c009c1d0 00000001 f05aa2bc 00000400 0d2742e8 00000000 c10900bf c145e5e0
[   71.790021] <0> f05aa2bc 9d0ba400 00000034 c108e1ca f6ab7f10 c108ccdb c10900bf f6ab7f10
[   71.790021] <0> f05aa36c f6ab7f10 00000000 00000000 c108e1dd c108ccdb c1056a67 c145e5e0
[   71.790021] Call Trace:
[   71.790021]  [<c10900bf>] ? blkdev_get_block+0x0/0xc9
[   71.790021]  [<c108e1ca>] ? block_write_full_page_endio+0xa6/0xaf
[   71.790021]  [<c108ccdb>] ? end_buffer_async_write+0x0/0xd1
[   71.790021]  [<c10900bf>] ? blkdev_get_block+0x0/0xc9
[   71.790021]  [<c108e1dd>] ? block_write_full_page+0xa/0xc
[   71.790021]  [<c108ccdb>] ? end_buffer_async_write+0x0/0xd1
[   71.790021]  [<c1056a67>] ? __writepage+0x8/0x1f
[   71.790021]  [<c1056fdb>] ? write_cache_pages+0x1af/0x267
[   71.790021]  [<c1056a5f>] ? __writepage+0x0/0x1f
[   71.790021]  [<c10570a9>] ? generic_writepages+0x16/0x1d
[   71.790021]  [<c10570c4>] ? do_writepages+0x14/0x20
[   71.790021]  [<c1087593>] ? writeback_single_inode+0xb0/0x272
[   71.790021]  [<c1087b51>] ? writeback_sb_inodes+0x128/0x1da
[   71.790021]  [<c1087fab>] ? writeback_inodes_wb+0xfa/0x10a
[   71.790021]  [<c1088127>] ? wb_writeback+0x16c/0x1d2
[   71.790021]  [<c10881cd>] ? wb_do_writeback+0x40/0x117
[   71.790021]  [<c102c42f>] ? process_timeout+0x0/0x5
[   71.790021]  [<c10882d3>] ? bdi_writeback_task+0x2f/0xe8
[   71.790021]  [<c105f754>] ? bdi_start_fn+0x52/0x9e
[   71.790021]  [<c105f702>] ? bdi_start_fn+0x0/0x9e
[   71.790021]  [<c10337df>] ? kthread+0x5f/0x64
[   71.790021]  [<c1033780>] ? kthread+0x0/0x64
[   71.790021]  [<c1002b76>] ? kernel_thread_helper+0x6/0x10
[   71.790021] Code: d3 e3 f6 c1 20 74 04 89 de 31 db 8b 45 0c 89 04 24 89 c7 3b 74 24 14 72 12 77 06 3b 5c 24 10 76 0a f0 80 27 fd f0 80 0f 01 eb 5c <8b> 07 a8 20 74 05 f6 c4 02 74 51 a8 02 74 4d 8b 54 24 0c 39 57 
[   71.790021] EIP: [<c108df53>] __block_write_full_page+0x10f/0x2e0 SS:ESP 0068:f6ab7dc0
[   71.790021] CR2: 0000000000000000
[   71.791599] ---[ end trace ce00a6c6f84b6ee8 ]---


Regards,
Anisse

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2010-09-20 15:49 [BUG] Oops while mkfs.ext3 in block/writeback Anisse Astier
2010-09-24  9:24 ` Anisse Astier

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