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Re: 2.6.22.6 + oprofile oops
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From:
Ingo Molnar <mingo@...>
To: Andi Kleen <andi@...>
Cc: Sami Farin <safari-kernel@...>, Linux kernel Mailing List <linux-kernel@...>
Subject:
Re: 2.6.22.6 + oprofile oops
Date: Monday, October 1, 2007 - 10:47 am
* Andi Kleen <andi@firstfloor.org> wrote:
quoted text
> > 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
^^^^^^^^^^^
quoted text
> > 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.
quoted text
> 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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Messages in current thread:
2.6.22.6 + oprofile oops
, Sami Farin
, (Sat Sep 22, 7:23 am)
Re: 2.6.22.6 + oprofile oops
, Andi Kleen
, (Mon Oct 1, 6:29 am)
Re: 2.6.22.6 + oprofile oops
, Ingo Molnar
, (Mon Oct 1, 10:47 am)
Re: 2.6.22.6 + oprofile oops
, Sami Farin
, (Mon Oct 1, 9:22 am)
Re: 2.6.22.6 + oprofile oops
, Sami Farin
, (Sat Sep 29, 1:05 pm)
Re: 2.6.22.6 + oprofile oops
, Philippe Elie
, (Thu Oct 11, 10:36 am)
Re: 2.6.22.6 + oprofile oops
, Sami Farin
, (Thu Oct 11, 2:09 pm)
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