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SubjectRe: 2.4.17rc2aa2 oops in page_alloc.c
On Sun, Jan 20, 2002 at 06:26:55PM +0100, Jure Pecar wrote:
> I just got this mailed from the logs on our mail server. The BUG said it's in page_alloc.c line 85.
> System is a redhat 6.2, 4way p3 xeon, 2gb ram, 512mb swap. Heavily loaded through the week (mostly i/o: sendmail, cyrus, ldap, mysql), altough the oops occured at the time of least activity.
>
> ksymoops 0.7c on i686 2.4.17-rc2aa2. Options used
> -V (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.4.17-rc2aa2/ (default)
> -m /usr/src/linux/System.map (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 c0218650, System.map says c015ac60. Ignoring ksyms_base entry
> Jan 19 23:04:01 castor kernel: invalid operand: 0000
> Jan 19 23:04:01 castor kernel: CPU: 0
> Jan 19 23:04:01 castor kernel: EIP: 0010:[__free_pages_ok+171/740] Not tainted
> Jan 19 23:04:01 castor kernel: EFLAGS: 00010282
> Jan 19 23:04:01 castor kernel: eax: 0000001f ebx: 00000028 ecx: c02d8388 edx: 0000651b
> Jan 19 23:04:01 castor kernel: esi: c232fc40 edi: dd52a000 ebp: df749000 esp: dd52bed0
> Jan 19 23:04:01 castor kernel: ds: 0018 es: 0018 ss: 0018
> Jan 19 23:04:01 castor kernel: Process ps (pid: 20330, stackpage=dd52b000)
> Jan 19 23:04:01 castor kernel: Stack: c0281b01 00000055 00000028 c232fc40 dd52a000 df749000 dd52a000 eee015a0
> Jan 19 23:04:01 castor kernel: bfffff2c 00000000 00000000 00000000 c012f620 c011d554 00000000 eee015a0
> Jan 19 23:04:01 castor kernel: df749000 e28d0000 c232fc40 00000f2c eee015bc dd52a000 eee015bc df749000
> Jan 19 23:04:01 castor kernel: Call Trace: [__free_pages+28/32] [access_process_vm+448/540] [proc_pid_cmdline+100/256] [proc_info_read+89/296] [sys_read+142/196]
> Jan 19 23:04:01 castor kernel: Code: 0f 0b 83 c4 08 8b 46 18 a8 80 74 11 6a 57 68 01 1b 28 c0 e8
> Using defaults from ksymoops -t elf32-i386 -a i386
>

this is fixed in 2.4.19pre1aa1. It's fixed thanks to Ben's removal of
page_cache_release.

Andrea
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