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SubjectRe: 2.6.19-rc6-rt8: alsa xruns

* Lee Revell <rlrevell@joe-job.com> wrote:

> On Tue, 2006-11-28 at 11:58 -0800, Fernando Lopez-Lezcano wrote:
> > Hi, I'm trying out the latest -rt patch and getting alsa xruns when
> > using jackd and jack clients. This is a sample from the output of
> > qjackctl / jackd (jack 0.102.25, qjackctl 0.2.21):
>
> Any improvement if you disable high res timers?
>
> Also, the latency tracer does not work on dual core AMD machines due
> to the TSC drift. Might as well disable it.

i fixed this in -rt8: the latency tracer now uses the time of day
clocksource - pmtimer in this case. (that means function tracing is
slower than with the TSC, but latency figures are more reliable.)

Ingo
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