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SubjectRe: Oops in 2.5.64
J Sloan <joe@tmsusa.com> wrote:
>
> ...
> The console was frozen, with an oops -

This is odd.

> Mar 5 21:17:41 jyro init: Switching to runlevel: 3
> Mar 5 21:17:42 jyro kernel: mtrr: MTRR 2 not used
> Mar 5 21:17:43 jyro microcode_ctl: microcode_ctl startup succeeded
> Mar 5 21:17:44 jyro kernel: Unable to handle kernel paging request at virtual address d85b0000

hmm, looks like a module address.

> Mar 5 21:17:44 jyro kernel: printing eip:
> Mar 5 21:17:44 jyro kernel: c013ce25
> Mar 5 21:17:44 jyro kernel: *pde = 185b1163
> Mar 5 21:17:44 jyro kernel: *pte = 6c69614d
> Mar 5 21:17:44 jyro kernel: Oops: 0003
> Mar 5 21:17:44 jyro kernel: CPU: 0
> Mar 5 21:17:44 jyro kernel: EIP: 0060:[<c013ce25>] Not tainted
> Mar 5 21:17:44 jyro kernel: EFLAGS: 00010216
> Mar 5 21:17:44 jyro kernel: EIP is at __constant_c_and_count_memset+0x85/0xa0

Eh? How come the compiler didn't inline __constant_c_and_count_memset?
What compiler version are you using?

> Mar 5 21:17:44 jyro kernel: eax: 00000000 ebx: 00000000 ecx: 00000400 edx: d85b0000
> Mar 5 21:17:44 jyro kernel: esi: d3520000 edi: d85b0000 ebp: d3521eb4 esp: d3521eac
> Mar 5 21:17:44 jyro kernel: ds: 007b es: 007b ss: 0068
> Mar 5 21:17:44 jyro kernel: Process spamd (pid: 10385, threadinfo=d3520000 task=d7c70760)
> Mar 5 21:17:44 jyro kernel: Stack: c042faf4 c13ce380 d3521ed8 c013c5b0 d85b0000 00000000 00001000 d4e21cc0
> Mar 5 21:17:44 jyro kernel: d40c3088 d6d8a1e0 089d702c d3521f04 c013cace d6d8a1e0 d9b8d560 d3dfd75c
> Mar 5 21:17:44 jyro kernel: d40c3088 00000001 089d702c d6d8a1e0 d6d8a200 d7c70760 d3521fb4 c0115096

The stack trace seems to contain lots of moduleish addresses too.

> Mar 5 21:17:44 jyro kernel: Call Trace:
> Mar 5 21:17:44 jyro kernel: [<c013c5b0>] do_anonymous_page+0xd0/0x280
> Mar 5 21:17:44 jyro kernel: [<c013cace>] handle_mm_fault+0x6e/0xa0
> Mar 5 21:17:44 jyro kernel: [<c0115096>] do_page_fault+0x286/0x4e4
> Mar 5 21:17:44 jyro kernel: [<c013f11d>] do_brk+0x13d/0x210
> Mar 5 21:17:44 jyro kernel: [<c013dbe7>] sys_brk+0x107/0x130
> Mar 5 21:17:44 jyro kernel: [<c0114e10>] do_page_fault+0x0/0x4e4
> Mar 5 21:17:44 jyro kernel: [<c01099dd>] error_code+0x2d/0x38

But they were skipped by kksymoops.

My guess would be that something has tried to reference a module which isn't
there any more.

Did you at any time unload a module? If so, which one?

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