http://oss.sgi.com/bugzilla/show_bug.cgi?id=196
------- Additional Comments From dm@xxxxxxxxxx 2002-11-19 21:41 -------
The same oops again.
It happened on SMP kernel.
I copied files with mc to logic volume, mc said that there is no free
space, I extended volume and fs from another console.
Here is oops:
symoops 2.4.4 on i686 2.4.18-xfs. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.18-xfs/ (default)
-m /boot/System.map-2.4.18-xfs (default)
Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.
Warning (compare_maps): mismatch on symbol partition_name , ksyms_base says
c024f330
, System.map says c0160500. Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 00000008
c018ca4e
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<c018ca4e>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010046
eax: 00000120 ebx: 00000000 ecx: 00000282 edx: 00000000
esi: f6762000 edi: 00000008 ebp: f5b51800 esp: f7bd19a4
ds: 0018 es: 0018 ss: 0018
Process kupdated (pid: 7, stackpage=f7bd1000)
Stack: 00000282 00000004 e3b25200 f66bb490 f5ae1580 c018c30d f66bb490 00000008
00000004 00000001 f5ae1180 f5ae1580 00000004 f66bb490 c018c081 f66bb490
f5ae1180 f5ae1580 00000004 f6570280 00000000 00000001 000019e0 f6762120
Call Trace: [<c018c30d>] [<c018c081>] [<c018c3a2>] [<c018c859>] [<c019a554>]
[<c0237233>] [<c023c2df>] [<c01a4655>] [<c01a4655>] [<c019df46>] [<c01f9b96>]
[<c01e820b>] [<c01df371>] [<c0134271>] [<c0138f20>] [<c01e6819>] [<c01e2ce7>]
[<c01c23d2>] [<c01e1c48>] [<c01e67c0>] [<c01e69fd>] [<c01e67c0>] [<c013becf>]
[<c013c0bf>] [<c013f6fe>] [<c013fa2d>] [<c0105000>] [<c0105836>] [<c013f8f0>]
Code: 8b 4a 08 85 c9 74 1b 8d 74 26 00 8d bc 27 00 00 00 00 43 83
>>EIP; c018ca4e <xfs_alloc_mark_busy+3e/d0> <=====
Trace; c018c30d <xfs_alloc_put_freelist+cd/e0>
Trace; c018c081 <xfs_alloc_fix_freelist+431/480>
Trace; c018c3a2 <xfs_alloc_read_agf+82/230>
Trace; c018c859 <xfs_alloc_vextent+309/3c0>
Trace; c019a554 <xfs_bmap_alloc+1684/19e0>
Trace; c0237233 <scsi_old_done+663/680>
Trace; c023c2df <megaIssueCmd+10f/290>
Trace; c01a4655 <xfs_bmbt_get_state+25/30>
Trace; c01a4655 <xfs_bmbt_get_state+25/30>
Trace; c019df46 <xfs_bmapi+7f6/1210>
Trace; c01f9b96 <add_blkdev_randomness+46/50>
Trace; c01e820b <xfs_strategy+4fb/6e0>
Trace; c01df371 <pagebuf_get+61/e0>
Trace; c0134271 <__alloc_pages+41/180>
Trace; c0138f20 <alloc_bounce_page+10/90>
Trace; c01e6819 <linvfs_pb_bmap+59/e0>
Trace; c01e2ce7 <pagebuf_delalloc_convert+37/90>
Trace; c01c23d2 <xfs_iflush+b2/450>
Trace; c01e1c48 <pagebuf_write_full_page+58/1b0>
Trace; c01e67c0 <linvfs_pb_bmap+0/e0>
Trace; c01e69fd <linvfs_write_full_page+2d/50>
Trace; c01e67c0 <linvfs_pb_bmap+0/e0>
Trace; c013becf <_write_buffer+4f/70>
Trace; c013c0bf <write_some_buffers+7f/110>
Trace; c013f6fe <sync_old_buffers+4e/80>
Trace; c013fa2d <kupdate+13d/150>
Trace; c0105000 <_stext+0/0>
Trace; c0105836 <kernel_thread+26/30>
Trace; c013f8f0 <kupdate+0/150>
Code; c018ca4e <xfs_alloc_mark_busy+3e/d0>
00000000 <_EIP>:
aods+46/50>
Trace; c01e820b <xfs_strategy+4fb/6e0>
Trace; c01df371 <pagebuf_get+61/e0>
Trace; c0134271 <__alloc_pages+41/180>
Trace; c0138f20 <alloc_bounce_page+10/90>
; c018ca4e <xfs_alloc_mark_busy+3e/d0> <===== 5: 74 1b
je 22 <_EIP+0x22> c018ca70 <xfs_alloc_mark_busy
+60/d0>
Code; c018ca55 <xfs_alloc_mark_busy+45/d0>
7: 8d 74 26 00 lea 0x0(%esi,1),%esi
Code; c018ca59 <xfs_alloc_mark_busy+49/d0>
b: 8d bc 27 00 00 00 00 lea 0x0(%edi,1),%edi
Code; c018ca60 <xfs_alloc_mark_busy+50/d0>
12: 43 inc %ebx
Code; c018ca61 <xfs_alloc_mark_busy+51/d0>
13: 83 00 00 addl $0x0,(%eax)
0: 8b 4a 08 mov 0x8(%edx),%ecx <=====
Code; c018ca51 <xfs_alloc_mark_busy+41/d0>
3: 85 c9 test %ecx,%ecx
Code; c018ca53 <xfs_alloc_mark_busy+43/d0>
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