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SubjectRe: BUG: 2.4.19-pre6aa1 (i586) ?
On Tue, Apr 23, 2002 at 03:07:09PM +0200, Andrea Arcangeli wrote:
> On Tue, Apr 23, 2002 at 11:27:32AM +0200, Dennis Schoen wrote:
> > Apr 21 21:40:03 opel kernel: kernel BUG at page_alloc.c:234!
> > Apr 21 21:40:03 opel kernel: invalid operand: 0000
> > Apr 21 21:40:03 opel kernel: CPU: 0
> > Apr 21 21:40:03 opel kernel: EIP: 0010:[rmqueue+112/548] Not tainted
> > Apr 21 21:40:03 opel kernel: EFLAGS: 00010086
> > Apr 21 21:40:03 opel kernel: eax: 0000c000 ebx: c119f37c ecx: 00001000 edx: e8bac588
> > Apr 21 21:40:03 opel kernel: esi: c119f37c edi: 00000000 ebp: c0230310 esp: ca569e64
> > Apr 21 21:40:03 opel kernel: ds: 0018 es: 0018 ss: 0018
> > Apr 21 21:40:03 opel kernel: Process w3m-en (pid: 1963, stackpage=ca569000)
> > Apr 21 21:40:03 opel kernel: Stack: c02304d4 00000000 00000001 00000001 c0230310 0000a9b0 00000286 c023034c
> > Apr 21 21:40:03 opel kernel: 00000000 c0230310 c012bac4 c1002ccc 00000000 c6ebb274 00000001 c0230310
> > Apr 21 21:40:03 opel kernel: 00000001 c0122684 0000000c c0230310 c02304d0 000001d2 0809deb0 c012213b
> > Apr 21 21:40:03 opel kernel: Call Trace: [__alloc_pages+116/664] [do_no_page+56/380] [do_wp_page+127/440] [handle_mm_fault+144/208] [do_page_fault+447/1336]
> > Apr 21 21:40:03 opel kernel: [do_page_fault+0/1336] [do_brk+283/508] [sys_brk+193/240] [error_code+52/64]
> > Apr 21 21:40:03 opel kernel:
>
> I doubt it's a bug in the page freelist management, but it seems the
> freelist got corrupted somehow. So I'd say it's either a bug in another
> subsystem or faulty dram. Can you try some memchecker to rule out the
> hardware possibility?

so, six memtest runs. Where four of them reported errors. Unfortunatly
the machine died again, so I've no logfile.

Looks like bad ram. I'll try to replace it sometime this week. I've
also upgrade to 2.4.19pre7aa1.


Dave: Here's the output of your 'ewbe' program:

opel:~# ./ewbe
HWCR= 2
Current EWBE mode is strong ordering

Ciao
Dennis
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