[Jackit-devel] Re: [linux-audio-dev] 2.4.20 + lowlat +preempt + alsa + jack = dead computer

Paul Davis paul at linuxaudiosystems.com
Tue Jan 7 21:33:01 UTC 2003


>So I run that in a terminal and after playing around with a bunch of
>jack apps got the machine to lockup... and then, after a little bit,
>suddenly, it came back to life! (you could see that the monitor had
>changed the priority of the hogs to SCHED_OTHER). 
>
>So I guess that somehow jack has a hard to trigger race condition that
>locks up the machine when running SCHED_FIFO.
>
>Now I have to figure out how to trace the thing so as to determine where
>the whole thing is locking. Help from the jack gurus appreciated. 

what do you want to know? can you get roger's tool to tell you which
process (PID) is hogging the CPU? is it jackd or a client? 

--p



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