Re: 2.6.12-rc1-mm4 crash while mounting a reiserfs3 filesystem

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Bartlomiej Zolnierkiewicz a écrit :
On Apr 3, 2005 11:56 PM, Andrew Morton <[email protected]> wrote:

Mathieu Bérard <[email protected]> wrote:

Hi,
I get a 100% reproductible oops while booting linux 2.6.12-rc1-mm4.
(Everyting run smoothly using 2.6.11-mm1)
It seems to be related with mounting a reiserfs3 filesystem.

It looks more like an IDE bug.


ReiserFS: hdg1: checking transaction log (hdg1)
Unable to handle kernel paging request at virtual address 0a373138
 printing eip:
df6d1211
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: ext2 mbcache w83627hf i2c_sensor i2c_isa ppp_generic
slhc w83627hf_wdt msr cpuid
rtc
CPU:    0
EIP:    0060:[<df6d1211>]    Not tainted VLI
EFLAGS: 00010202   (2.6.12-rc1-mm4)
EIP is at 0xdf6d1211
eax: c9393266   ebx: df6d1c84   ecx: d84eab1e   edx: c155ccf8
esi: c039242c   edi: c039239c   ebp: 700d580a   esp: df6d1c80
ds: 007b   es: 007b   ss: 0068
Process mount (pid: 1132, threadinfo=df6d1000 task=df711a50)
Stack: c039242c c0229945 c039239c df6d1000 df6d1000 c039242c c155ccf8
c0223051
       00000088 00001388 c159ae28 df6d1000 c039242c c155ccf8 c039239c
c022333e
       df6d1d1c ffffffff c153d6e0 c155bd78 00000000 df6d1d1c c14007f0
c0212260
Call Trace:
 [<c0229945>] flagged_taskfile+0x125/0x380
 [<c0223051>] start_request+0x1f1/0x2a0
 [<c022333e>] ide_do_request+0x20e/0x3c0
 [<c0212260>] __generic_unplug_device+0x20/0x30
 [<c0212281>] generic_unplug_device+0x11/0x30
 [<c02122ac>] blk_backing_dev_unplug+0xc/0x10
 [<c0156336>] sync_buffer+0x26/0x40
 [<c02a0b22>] __wait_on_bit+0x42/0x70
 [<c0156310>] sync_buffer+0x0/0x40
 [<c0156310>] sync_buffer+0x0/0x40
 [<c02a0bcd>] out_of_line_wait_on_bit+0x7d/0x90
 [<c012bf80>] wake_bit_function+0x0/0x60
 [<c01563c9>] __wait_on_buffer+0x29/0x30
 [<c01b0dd7>] _update_journal_header_block+0xf7/0x140
 [<c01b290d>] journal_read+0x31d/0x470
 [<c01b3241>] journal_init+0x4e1/0x650
 [<c011748b>] printk+0x1b/0x20
 [<c01a3ced>] reiserfs_fill_super+0x34d/0x770
 [<c01c9470>] snprintf+0x20/0x30
 [<c0189ab6>] disk_name+0x96/0xf0
 [<c015bf75>] get_sb_bdev+0xe5/0x130
 [<c0163945>] link_path_walk+0x65/0x140
 [<c01a4168>] get_super_block+0x18/0x20
 [<c01a39a0>] reiserfs_fill_super+0x0/0x770
 [<c015c194>] do_kern_mount+0x44/0xf020 30 20 30 20 30 20 30 20 30 20
30 20 30 20 30 20 <1>general p

It appears that we might have jumped from flagged_taskfile into something
at 0xdf6d1211, which is rather odd.


It is very odd, we shouldn't hit flagged_taskfile() in the first place. This function currently is executed only for special
HDIO_DRIVE_TASKFILE ioctl requests.


Whatever the explanation was, This oops is fixed in 2.6.12-rc2-mm1...

--
Mathieu Bérard

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