Messages in this thread | | | Date | Sun, 8 Jan 2006 14:04:10 -0800 | From | Mark Knecht <> | Subject | Re: 2.6.15-rt2 - repeatable xrun - no good data in trace |
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On 1/8/06, Jan Engelhardt <jengelh@linux01.gwdg.de> wrote: > >> Hi, > >> I did run across a way that I can create a repeatable xrun on my > >> AMD64 machine by burning a CD in k3b while Jack is running. > >> Unfortunately I do not see any good trace data in dmesg when I do it. > > > > Maybe your cdrecord is running with realtime priority higher than Jack? > > Michal > > cdrecord does run with SCHED_RR/99 when started with proper privileges. > Ah, then it's likely that this isn't a real problem and it would be expected to cause an xrun?
Anyway, it seems strange that the trace doesn't show anything. I suppose that's because cdrecord just grabs a lot of time at a higher priority than Jack and Jack ends up not getting serivces at all for 5-10mS?
OK, back to the drawing board about debugging my problems!
thanks!
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