On Fri, Jul 18, 2008 at 1:09 AM, Dave Kleikamp
<[EMAIL PROTECTED]> wrote:
> On Thu, 2008-07-17 at 20:35 +0200, Vegard Nossum wrote:
>> Hi,
>>
>> I got this on latest -git with an intentionally corrupted filesystem image:
>>
>> BUG at fs/jfs/namei.c:512 assert(ip->i_nlink)
>
> This assert shouldn't be here. It would be better to handle this with
> jfs_error(), which will mark the superblock dirty, and take appropriate
> action.
>
>> Full log at http://folk.uio.no/vegardno/linux/log-1216318656.txt, but
>> I think the preceding messages are just left-overs from previous
>> mount/remount attempts. I can test patches.
>
> How about this one? So far, compile tested only.
>
> JFS: The kernel shouldn't trap when deleting a file with nlink == 0.
>
> Signed-off-by: Dave Kleikamp <[EMAIL PROTECTED]>
Thanks!
But whether it truly helped or not, I don't know. I got something different now:
jfs_unlink: dtDelete returned -116
jfs_unlink: dtDelete returned -116
------------[ cut here ]------------
kernel BUG at fs/inode.c:262!
invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
Pid: 387, comm: jfsCommit Not tainted (2.6.26-03415-gdf3030b #45)
EIP: 0060:[<c01b96f9>] EFLAGS: 00010206 CPU: 0
EIP is at clear_inode+0x149/0x160
EAX: 00000005 EBX: f56e283c ECX: f7242fd0 EDX: 00000000
ESI: f56e2568 EDI: 00000000 EBP: f79f9f0c ESP: f79f9f04
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process jfsCommit (pid: 387, ti=f79f8000 task=f7242fd0 task.ti=f79f8000)
Stack: 00000001 f56e283c f79f9f24 c02de258 c08f7ba0 f79f9f24 c02de220 f56e283c
f79f9f34 c01b9ba1 f56e283c 00000000 f79f9f44 c01b9d67 f56e283c 00000000
f79f9f50 c01b8be7 f56e283c f79f9f9c c02fd5b5 f88261bc f79f9f70 c0159173
Call Trace:
[<c02de258>] ? jfs_delete_inode+0x38/0x130
[<c02de220>] ? jfs_delete_inode+0x0/0x130
[<c01b9ba1>] ? generic_delete_inode+0x81/0x120
[<c01b9d67>] ? generic_drop_inode+0x127/0x180
[<c01b8be7>] ? iput+0x47/0x50
[<c02fd5b5>] ? txUpdateMap+0x1d5/0x2a0
[<c0159173>] ? lock_release_holdtime+0x83/0x120
[<c015addb>] ? trace_hardirqs_on+0xb/0x10
[<c02ffff1>] ? jfs_lazycommit+0xd1/0x2e0
[<c012e940>] ? default_wake_function+0x0/0x10
[<c02fff20>] ? jfs_lazycommit+0x0/0x2e0
[<c014b02c>] ? kthread+0x3c/0x70
[<c014aff0>] ? kthread+0x0/0x70
[<c0104ddb>] ? kernel_thread_helper+0x7/0x1c
=======================
Code: 00 f0 00 00 e9 65 ff ff ff 90 8d 83 44 02 00 00 b9 90 89 1b c0
ba 08 00 00 00 c7 04 24 02 00 00 00 e8 cc ed 58 00 e9 16 ff ff ff <0f>
0b eb fe 8d 76 00 0f 0b eb fe 8d 74 26 00 0f 0b eb fe 8d 74
EIP: [<c01b96f9>] clear_inode+0x149/0x160 SS:ESP 0068:f79f9f04
Kernel panic - not syncing: Fatal exception
...but it might just be a different error altogether.
Vegard
--
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036
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