From: Ingo Molnar <mingo@elte.hu>
To: Chuck Harding <charding@llnl.gov>
Cc: Linux Kernel Discussion List <linux-kernel@vger.kernel.org>
Subject: Re: Realtime Preemption - 2.6.12-final-RT-V0.7.50-35
Date: Wed, 29 Jun 2005 21:29:16 +0200 [thread overview]
Message-ID: <20050629192916.GA6079@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.63.0506291005390.4929@ghostwheel.llnl.gov>
* Chuck Harding <charding@llnl.gov> wrote:
> still having sox hang with no messages about what is going on. I have
> CONFIG_DEBUG_PREEMPT enabled. It did work without hanging for about 50
> times of playing a sound file, so the problem seems to take a bit of
> time to develop. What other info would you need to figure this out?
could you chrt the sound IRQ thread to SCHED_OTHER (audio performance
will suck, but it will be more debuggable) - when the lockup happens, do
you see the IRQ thread looping? Do you have SOFTLOCKUP_DETECT turned on
too?
Ingo
next prev parent reply other threads:[~2005-06-29 19:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-29 17:10 Chuck Harding
2005-06-29 19:29 ` Ingo Molnar [this message]
2005-06-29 20:41 ` Chuck Harding
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