* Andi Kleen <[EMAIL PROTECTED]> wrote:
> > 2007-09-22 13:53:32.527330808 <4>[ 3372.390363] Pid: 7, comm:
> > events/0 Not tainted 2.6.22.6-cfs-v20.5-64-2 #7
^^^^^^^^^^^
>
> Can you reproduce it with a non tainted kernel without any patches
> like CFS applied?
the kernel is not tainted, as indicated in the log message above.
> The oops happens because oprofile tries to reference a NULL task in
> its event buffer for a context switch, which might well be a minor
> merging mistake or similar in the CFS backport.
CFS does not change that aspect of the oprofile code.
Ingo
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