On Wed, 29 Jun 2005, Ingo Molnar wrote:
* Chuck Harding <[email protected]> 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 <[email protected]> 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
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