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Oops in xfs_acl_iaccess
On our news server (running x86 Linux 2.4.18-xfs.1.1), we have
encountered the following oops. Is this a known issue?
invalid operand: 0000
CPU: 1
EIP: 0010:[<c0210ae7>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010287
eax: 00000000 ebx: 00000008 ecx: f374af80 edx: f374af80
esi: 00000001 edi: 00000001 ebp: 00000002 esp: e30dbcd4
ds: 0018 es: 0018 ss: 0018
Process modprobe (pid: 28488, stackpage=e30db000)
Stack: f374af80 00000000 c0210c67 00000001 f374af80 efc336a0 f374af80 efc336a0
e30dbd14 00001000 f374af80 c0137914 00000001 00000001 e30dbd1c efc336a0
00000000 c0138712 f374af80 efc336a0 00000001 c032b000 d9cc0ab8 e30dbed4
Call Trace: [<c0210c67>] [<c0137914>] [<c0138712>] [<c018fe28>] [<c018fe28>]
[<c018fe28>] [<c0113c08>] [<c0130042>] [<c018fe28>] [<c0138adc>] [<c0138afb>]
[<c0138a3e>] [<c01e6a9f>] [<c01e6da0>] [<c01e5d70>] [<c01e7476>] [<c01e74a8>]
[<c01d81e6>] [<c01c49e7>] [<c01e12b4>] [<c01ecfef>] [<c01e5dd3>] [<c01e8d7b>]
[<c01dd25e>] [<c01e877d>] [<c0137fc8>] [<c0106e5b>]
Code: 0f 0b b8 03 00 00 00 f0 0f ab 42 18 0f b7 42 0c 66 89 42 14
>>EIP; c0210ae7 <submit_bh+2b/70> <=====
>>ecx; f374af80 <END_OF_CODE+33369f84/????>
>>edx; f374af80 <END_OF_CODE+33369f84/????>
>>esp; e30dbcd4 <END_OF_CODE+22cfacd8/????>
Trace; c0210c67 <ll_rw_block+13b/1a4>
Trace; c0137914 <write_buffer+44/50>
Trace; c0138712 <fsync_inode_data_buffers+8a/140>
Trace; c018fe28 <xfs_acl_iaccess+2c/88>
Trace; c018fe28 <xfs_acl_iaccess+2c/88>
Trace; c018fe28 <xfs_acl_iaccess+2c/88>
Trace; c0113c08 <do_page_fault+0/4ad>
Trace; c0130042 <_alloc_pages+16/18>
Trace; c018fe28 <xfs_acl_iaccess+2c/88>
Trace; c0138adc <__refile_buffer+54/5c>
Trace; c0138afb <refile_buffer+17/24>
Trace; c0138a3e <__mark_buffer_dirty+26/2c>
Trace; c01e6a9f <set_buffer_dirty_uptodate+33/44>
Trace; c01e6da0 <__pb_block_commit_write_async+2c/4c>
Trace; c01e5d70 <pagebuf_commit_write+40/8c>
Trace; c01e7476 <pagebuf_generic_file_write+286/2f8>
Trace; c01e74a8 <pagebuf_generic_file_write+2b8/2f8>
Trace; c01d81e6 <xfs_trans_unlocked_item+22/3c>
Trace; c01c49e7 <xfs_iunlock+4b/54>
Trace; c01e12b4 <xfs_rwunlock+30/64>
Trace; c01ecfef <xfs_write+5f7/608>
Trace; c01e5dd3 <pagebuf_flush+17/28>
Trace; c01e8d7b <fs_flush_pages+2b/34>
Trace; c01dd25e <xfs_fsync+e6/2c8>
Trace; c01e877d <linvfs_fsync+41/4c>
Trace; c0137fc8 <sys_fdatasync+64/ac>
Trace; c0106e5b <system_call+33/38>
Code; c0210ae7 <submit_bh+2b/70>
00000000 <_EIP>:
Code; c0210ae7 <submit_bh+2b/70> <=====
0: 0f 0b ud2a <=====
Code; c0210ae9 <submit_bh+2d/70>
2: b8 03 00 00 00 mov $0x3,%eax
Code; c0210aee <submit_bh+32/70>
7: f0 0f ab 42 18 lock bts %eax,0x18(%edx)
Code; c0210af3 <submit_bh+37/70>
c: 0f b7 42 0c movzwl 0xc(%edx),%eax
Code; c0210af7 <submit_bh+3b/70>
10: 66 89 42 14 mov %ax,0x14(%edx)
--
Florian Weimer Weimer@CERT.Uni-Stuttgart.DE
University of Stuttgart http://CERT.Uni-Stuttgart.DE/people/fw/
RUS-CERT +49-711-685-5973/fax +49-711-685-5898