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SubjectRe: 2.6.12-rc1-mm4 crash while mounting a reiserfs3 filesystem
On Apr 3, 2005 11:56 PM, Andrew Morton <akpm@osdl.org> wrote:
> Mathieu Bérard <Mathieu.Berard@crans.org> 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.
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