Messages in this thread | | | Date | Wed, 29 Jun 2005 13:41:57 -0700 (PDT) | From | Chuck Harding <> | Subject | Re: Realtime Preemption - 2.6.12-final-RT-V0.7.50-35 |
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On Wed, 29 Jun 2005, Ingo Molnar wrote:
> > * 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
Did that, the IRQ thread is not looping, it doesn't seem to be using any CPU at all. And I do have SOFTLOCKUP_DETECT on.
(PS, I am subbed to the list so please, no need to CC me. Thanks)
-- Charles D. (Chuck) Harding <charding@llnl.gov> Voice: 925-423-8879 Senior Computer Associate ICCD Fax: 925-423-6961 Lawrence Livermore National Laboratory Computation Directorate Livermore, CA USA http://www.llnl.gov GPG Public Key ID: B9EB6601 ------------------ http://tinyurl.com/5w5ey ----------------------- -- Oxymoron: Weather Forecast. -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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