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From: Mark Hounschell <dmarkh@cfl.rr.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel-rt <linux-rt-users@vger.kernel.org>,
	Mark Hounschell <markh@compro.net>
Subject: Re: timer signal loss on RT
Date: Sat, 10 Mar 2012 06:53:31 -0500	[thread overview]
Message-ID: <4F5B40BB.9080305@cfl.rr.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1203101231230.2742@ionos>

On 03/10/2012 06:34 AM, Thomas Gleixner wrote:
> On Sat, 10 Mar 2012, Mark Hounschell wrote:
>> I'm sure you can find many things wrong with this test case but I'm not
>> sending it for discussion on the merits, or certainly the lack of, an
>> application that contains a cpu hog, but only to show what I think is a
>> problem with RT kernels.
>
> Nope, PEBKAC.
>
> Timer signals are delivered via ksoftirqd, so your cpu hog prevents
> ksoftirqd frum running.
>

Does ksoftirqd deliver timer signals in vanilla?

Thanks
Mark

  reply	other threads:[~2012-03-10 11:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-10 10:26 timer signal loss on RT Mark Hounschell
2012-03-10 11:08 ` Mike Galbraith
2012-03-10 11:34 ` Thomas Gleixner
2012-03-10 11:53   ` Mark Hounschell [this message]
2012-03-10 19:44     ` Steven Rostedt

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