Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.51-12

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On Fri, 8 Jul 2005, Ingo Molnar wrote:



* Ingo Molnar <[email protected]> wrote:


tried it and cannot reproduce it, so i'll need the full backtrace of
all tasks in your system, whenever sox gets stuck, via:


managed to reproduce it via your script - and with RT_DEADLOCK_DETECT
turned on the circular deadlock was immediately detected (see the trace
below). It turns out this is an upstream locking bug in the sound
subsystem, which has been fixed already - i've merged the upstream fix
to -51-14. Could you check whether sox works for you now?

	Ingo



That did it. I can now hammer the sound system and sox won't hang anymore.
Thanks!!

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