Re: reiser4 oops while mounting
From: Nikita Danilov
Date: Tue Sep 13 2005 - 11:17:26 EST
Alexander Gran writes:
> Hi,
[...]
> usb-storage: device scan complete
> attempt to access beyond end of device
> dm-0: rw=0, want=58662920, limit=58588992
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip:
> c018b7e4
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT
> Modules linked in: aes_i586 cfq_iosched irtty_sir sir_dev ath_rate_sample wlan
> ath_hal ehci_hcd uhci_hcd
> CPU: 0
> EIP: 0060:[<c018b7e4>] Tainted: P VLI
> EFLAGS: 00010206 (2.6.13-rc2-mm1)
> EIP is at znodes_tree_done+0x16/0x26d
> eax: f429f014 ebx: 00000000 ecx: 00002000 edx: c057cf88
> esi: 00000000 edi: f429f038 ebp: f429f014 esp: f766ddc4
> ds: 007b es: 007b ss: 0068
> Process mount (pid: 4670, threadinfo=f766c000 task=f3d4d020)
> Stack: c03fe7b5 00000001 00000000 f429f000 f429f014 f7461a00 c019283b f429f000
> f7461a00 f429f000 0000000c c01a8760 c04794d8 00000000 c01a8948 0000000c
> fffffffb 00000000 00000000 c01a89a6 00000000 f7461a00 4b1b5d0b 00000000
> Call Trace:
> [<c03fe7b5>] wait_for_completion+0x86/0xfa
> [<c019283b>] done_tree+0x48/0x9d
> [<c01a8760>] _done_formatted_fake+0x17/0x25
> [<c01a8948>] done_super+0x1b/0x2a
> [<c01a89a6>] reiser4_fill_super+0x4f/0x69
> [<c0159d6d>] get_sb_bdev+0xcd/0x10a
mount code tries to handle some error here (most likely an "attempt to
access beyond end of device" above). These code paths are hardly
exercised. I am ccing reiserfs mailing list, where reiserfs error
reports should be sent to.
> I'm currently not subscribed to lkml, as I'll be on holiday in a few hours, so
> pleas cc me.
> kernel is 2.6.13-rc2-mm1
> Problem does not seem to be reproducable.
>
> regards
> Alex
Have a nice holiday,
Nikita.
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