Re: 2.6.22.6 + oprofile oops

[Ingo Molnar]

* Andi Kleen <andi@xxxxxxxxxxxxxx> 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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