[linux-audio-dev] Re: image problem [was Re: [Alsa-devel] help for a levelmeter]

[Peter L Jones]

On Tuesday 22 Oct 2002 22:10, Kai Vehmanen wrote:
> On Tue, 22 Oct 2002, Peter L Jones wrote:
> > When I run latencytest0.42-png from sbenno at gardena.net, I get about 99%
> > sub 2ms latency.  But jack still complains of xruns of about 50ms. 
> > There's something here I'm simply failing to understand... but I don't
> > know where to
>
> Are you running JACK as root with "-R" or with "-R --asio"? Do these 50ms
> xruns occur even if you don't have any clients connected? If that's not
> the case, what client apps you have tested with? Also, do these xruns
> happen all by themself, or are you doing something at the same time (maybe
> moving windows or something). Does the HD led go on when the xrun occurs
> (kernel maybe syncing its caches)? What kernel, with low-latency patches,
> with pre-emption enabled or not?

D'oh!  Where _did_ the -R go in my jack script...

Well, that sorted jackd out quite nicely.  Now, onto why freqtweak locks out 
my machine...  (Once I've tried a few more things...  I'm likely to end up 
saying something foolish anyway, but I like to look like I'm trying :-).)

-- Peter