Messages in this thread | | | Subject | Re: 2.6.14-rc4-rt1 | From | Lee Revell <> | Date | Wed, 12 Oct 2005 14:25:47 -0400 |
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On Wed, 2005-10-12 at 11:00 -0700, Mark Knecht wrote: > On 10/12/05, Lee Revell <rlrevell@joe-job.com> wrote: > > Sounds like an application bug (some JACK client doing something not RT > > safe). Can you reproduce the xruns if you just run jackd with no > > clients? > > I don't know. These xruns take hours to generate. I'd probably have to > dedicate a whole day of doing nothing on the machine to try, and then > if I didn't produce anything I'm not sure what it proves. If I do get > one then we get to see if there's data.
A much easier solution is to recompile JACK with the --enable-preemption-check option. This activates the in-kernel debugging mechanism that causes a stack dump when an RT task schedules. It has been used to find tricky bugs in Hydrogen and Freqtweak already.
Lee
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