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Subjectoops on 2.4.13-pre5 in prune_dcache

I just got this and I'm a few kernels out .. but I thought I'd throw this
way in case it hasn't popped up or been fixed..

I was compiling mopd on a AMD K6-400, 64MB RAM and it oops on the first
gcc.. machine was doing nothing much, no X, 3 sshs to a remote machine...

Mandrake 8.0.

Dave.

ksymoops 2.3.7 on i586 2.4.13-pre5. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.13-pre5/ (default)
-m /boot/System.map-2.4.13-pre5 (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 sb_be_quiet , sb_lib says c4899904, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sb_lib.o says c4897fa4. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sb_lib.o entry
Warning (compare_maps): mismatch on symbol smw_free , sb_lib says c4899910, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sb_lib.o says c4897fb0. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sb_lib.o entry
Warning (compare_maps): mismatch on symbol audio_devs , sound says c488bc40, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b5e0. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol midi_devs , sound says c488bcb0, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b650. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol mixer_devs , sound says c488bc58, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b5f8. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol num_audiodevs , sound says c488bc54, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b5f4. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol num_midis , sound says c488bcc8, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b668. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol num_mixers , sound says c488bc6c, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b60c. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol num_synths , sound says c488bcac, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b64c. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol synth_devs , sound says c488bc80, /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o says c488b620. Ignoring /lib/modules/2.4.13-pre5/kernel/drivers/sound/sound.o entry
Warning (compare_maps): mismatch on symbol nlmsvc_ops , lockd says c486a470, /lib/modules/2.4.13-pre5/kernel/fs/lockd/lockd.o says c48698dc. Ignoring /lib/modules/2.4.13-pre5/kernel/fs/lockd/lockd.o entry
Warning (compare_maps): mismatch on symbol nfs_debug , sunrpc says c485d24c, /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o says c485cf4c. Ignoring /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol nfsd_debug , sunrpc says c485d250, /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o says c485cf50. Ignoring /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol nlm_debug , sunrpc says c485d254, /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o says c485cf54. Ignoring /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol rpc_debug , sunrpc says c485d248, /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o says c485cf48. Ignoring /lib/modules/2.4.13-pre5/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol packet_socks_nr , af_packet says c484dc48, /lib/modules/2.4.13-pre5/kernel/net/packet/af_packet.o says c484da24. Ignoring /lib/modules/2.4.13-pre5/kernel/net/packet/af_packet.o entry
Unable to handle kernel NULL pointer dereference at virtual address 00000054
c013e227
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c013e227>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: 00000040 ebx: c23ded38 ecx: c23da670 edx: c23da670
esi: c23ded20 edi: c23da660 ebp: 0000013b esp: c1173f5c
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 4, stackpage=c1173000)
Stack: 00000019 000003d0 00000006 00000380 c013e4fb 00000662 c0128857 00000006
000003d0 00000006 00000020 00000000 000003d0 00002a06 c012888d c01dc55c
00000001 c01dc548 c1172000 c012894d c01dc4a0 00000000 c1173fe0 0008e000
Call Trace: [<c013e4fb>] [<c0128857>] [<c012888d>] [<c012894d>] [<c01289be>]
[<c0128ae7>] [<c0105000>] [<c01054bb>]
Code: 8b 40 14 85 c0 74 09 57 56 ff d0 83 c4 08 eb 09 57 e8 43 1e

>>EIP; c013e227 <prune_dcache+ab/12c> <=====
Trace; c013e4fb <shrink_dcache_memory+1b/34>
Trace; c0128857 <shrink_caches+6f/88>
Trace; c012888d <try_to_free_pages+1d/4c>
Trace; c012894d <kswapd_balance_pgdat+55/b0>
Trace; c01289be <kswapd_balance+16/3c>
Trace; c0128ae7 <kswapd+a3/cc>
Trace; c0105000 <_stext+0/0>
Trace; c01054bb <kernel_thread+23/30>
Code; c013e227 <prune_dcache+ab/12c>
00000000 <_EIP>:
Code; c013e227 <prune_dcache+ab/12c> <=====
0: 8b 40 14 mov 0x14(%eax),%eax <=====
Code; c013e22a <prune_dcache+ae/12c>
3: 85 c0 test %eax,%eax
Code; c013e22c <prune_dcache+b0/12c>
5: 74 09 je 10 <_EIP+0x10> c013e237 <prune_dcache+bb/12c>
Code; c013e22e <prune_dcache+b2/12c>
7: 57 push %edi
Code; c013e22f <prune_dcache+b3/12c>
8: 56 push %esi
Code; c013e230 <prune_dcache+b4/12c>
9: ff d0 call *%eax
Code; c013e232 <prune_dcache+b6/12c>
b: 83 c4 08 add $0x8,%esp
Code; c013e235 <prune_dcache+b9/12c>
e: eb 09 jmp 19 <_EIP+0x19> c013e240 <prune_dcache+c4/12c>
Code; c013e237 <prune_dcache+bb/12c>
10: 57 push %edi
Code; c013e238 <prune_dcache+bc/12c>
11: e8 43 1e 00 00 call 1e59 <_EIP+0x1e59> c0140080 <iput+0/178>


17 warnings issued. Results may not be reliable.


--
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied@skynet.ie
pam_smb / Linux DecStation / Linux VAX / ILUG person


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