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SubjectRe: Oops in 2.6.19.1
Date
On Thursday 28 December 2006 04:02, Alistair John Strachan wrote:
> On Thursday 28 December 2006 02:41, Zhang, Yanmin wrote:
> [snip]
>
> > > Here's a current decompilation of vmlinux/pipe_poll() from the running
> > > kernel, the addresses have changed slightly. There's no xchg there
> > > either:
> >
> > Could you reproduce the bug by the new kernel, so we could get the exact
> > address and instruction of the bug?
>
> It crashed again, but this time with no output (machine locked solid). To
> be honest, the disassembly looks right (it's like Chuck said, it's jumping
> back half way through an instruction):
>
> c0156f5f: 3b 87 68 01 00 00 cmp 0x168(%edi),%eax
>
> So c0156f60 is 87 68 01 00 00..
>
> This is with the GCC recompile, so it's not a distro problem. It could
> still either be GCC 4.x, or a 2.6.19.1 specific bug, but it's serious.
> 2.6.19 with GCC 3.4.3 is 100% stable.

Looks like a similar crash here:

http://ubuntuforums.org/showthread.php?p=1803389

--
Cheers,
Alistair.

Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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