linux-kernel - Re: [BUG] hotplug cpus on ia64

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Message-ID: <20080610101945.GA19136@elte.hu>
Date:	Tue, 10 Jun 2008 12:19:45 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Cliff Wickman <cpw@....com>, sivanich@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] hotplug cpus on ia64


* Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:

> > > does:
> > > 
> > > echo -1 > /proc/sys/kernel/sched_rt_runtime_us
> > > 
> > > fix the problem?
> > 
> > Yes! It does. 
> > 
> > Dimitri Sivanich has run into what looks like a similar problem.
> > Hope the above workaround is a good clue to its solution.
> 
> Does the below fix it?

while it's not the full fix i've applied it to tip/sched-devel for more 
testing. Thanks,

	Ingo
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