Re: 2.3.99pre8 page_alloc.c crash message

From: David Sanchez (dsanchez@melodysoft.com)
Date: Fri May 26 2000 - 13:28:14 EST


Hello Rik,

>Nobody can tell that for sure until you drag the oops
>through ksymoops and send us the decoded backtrace.

I send you the ksymoops trace, unfortunately it has been done after reboot.
Anyway I hope will be useful!

ksymoops -v /usr/src/linux-2.3.99-pre8/vmlinux -m
/boot/System.map-2.3.99-pre8 < spherebug ->

ksymoops 0.7c on i686 2.3.99-pre8. Options used
     -v /usr/src/linux-2.3.99-pre8/vmlinux (specified)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.3.99-pre8/ (default)
     -m /boot/System.map-2.3.99-pre8 (specified)

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
invalid operand: 0000
CPU: 1
EIP: 0010:[<c012f089>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 0000001f ebx: c12d56f0 ecx: 00000000 edx: 00000097
esi: 00300000 edi: c68a4c20 ebp: 00000000 esp: d7aabf00
ds: 0018 es: 0018 ss: 0018
Process mysqld (pid: 8499, stackpage=d7aab000)
Stack: c0245a51 c0245c7f 00000057 c12d56f0 00300000 c68a4c20 00000007 c1048008
       c02abe08 00000207 ffffffff 0000a12e c012fa94 000000f8 00300000 c012399a
       c12d56f0 cd89d020 00000000 44700000 00200000 00000000 00400000 df012444
Call Trace: [<c0245a51>] [<c0245c7f>] [<c012fa94>] [<c012399a>] [<c0125db5>]
[<c0125e8b>] [<c010b33c>]
            [<c010002b>]
Code: 0f 0b 83 c4 0c 89 f6 89 d8 2b 05 40 ba 2a c0 69 c0 39 8e e3

>>EIP; c012f089 <__free_pages_ok+49/2a8> <=====
Trace; c0245a51 <tvecs+2f3d/23acc>
Trace; c0245c7f <tvecs+316b/23acc>
Trace; c012fa94 <free_page_and_swap_cache+84/88>
Trace; c012399a <zap_page_range+186/208>
Trace; c0125db5 <do_munmap+1cd/244>
Trace; c0125e8b <sys_munmap+5f/a8>
Trace; c010b33c <system_call+34/38>
Trace; c010002b <startup_32+2b/c7>
Code; c012f089 <__free_pages_ok+49/2a8>
00000000 <_EIP>:
Code; c012f089 <__free_pages_ok+49/2a8> <=====
   0: 0f 0b ud2a <=====
Code; c012f08b <__free_pages_ok+4b/2a8>
   2: 83 c4 0c add $0xc,%esp
Code; c012f08e <__free_pages_ok+4e/2a8>
   5: 89 f6 mov %esi,%esi
Code; c012f090 <__free_pages_ok+50/2a8>
   7: 89 d8 mov %ebx,%eax
Code; c012f092 <__free_pages_ok+52/2a8>
   9: 2b 05 40 ba 2a c0 sub 0xc02aba40,%eax
Code; c012f098 <__free_pages_ok+58/2a8>
   f: 69 c0 39 8e e3 00 imul $0xe38e39,%eax,%eax

1 warning issued. Results may not be reliable.

Thanks. Regards,
David.

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