Re: Re: Re: Hard lockup with 2.6.24.7-rt26 on x86 - cause found

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On Fri, 6 Feb 2009, Peter Zijlstra wrote:

> On Fri, 2009-02-06 at 11:34 +0100, Matthias Luescher wrote:
> > Hi
> > 
> > I finally found out which patch does not work well with my configuration:
> > 
> > 2.6.24.7-rt12 seems to be ok, with 2.6.24.7-rt13 the command cyclictest -p99 -t10 -n -i250 crashes the kernel.
> > 
> > 2.6.24.7-rt13 has the follwing new patches:
> > ftrace-hotplug-fix.patch
> > ftrace-wakeup-rawspinlock.patch
> > radix-tree-lockdep-plus1.patch
> > sched-cpupri-hotplug-support.patch
> > sched-cpupri-priocount.patch
> > 
> > No I went again to 2.6.24.7-rt26 but removed some patches:
> > 2.6.24.7-rt26 with all patches -> CRASH
> > 2.6.24.7-rt26 without sched-cpupri-hotplug-support.patch and without sched-cpupri-priocount.patch ->OK
> > 2.6.24.7-rt26 without sched-cpupri-hotplug-support.patch ->CRASH
> 
> sched-cpupri-priocount.patch is buggy

Yes, I was suppose to remove that patch. It somehow escaped deletion.

-- Steve
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