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SubjectRe: 2.6.0-test2 oops - NPTL triggered
Greg Schafer wrote:
> An otherwise fine running kernel-2.6.0-test2 repeatably gives this when
> running the NPTL testsuite.
> ksymoops output attached.
> - kernel compiled with gcc-2.95.4 (s'pose I should try 3.2.3)
> - recent binutils
> - board is Tyan S2466N-4M with pair of Athlon 2200's
> This is a UP kernel (trying to narrow down the cause).

It looks like the list poisoning triggers:

ecx: 00200200 edx: 00100100

those are the poison values for the prev/next fields of lists (see

So it looks like switch_exec_pids() is removing a list entry that was
already removed.

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