Ubuntu Studio & Qsampler

[holotone at gmail.com]

Also of relevance: I'm using the Behringer UCA200 USB audio interface as a
sound card.

~h

On 11/18/07, holotone at gmail.com <holotone at gmail.com> wrote:
>
> Wowzer.. So, quite the output from that command you gave me - Very.. err..
> verbose :)
>
> You can find it here:
>
> http://pastebin.com/m345b2ad3
>
> And here's the output qjackctl's Messages gives me when I try to run as
> realtime:
>
> http://pastebin.com/m62e0c812
>
> Thanks a ton, Chris!
>
> On a related topic, can anyone point me toward a good guide to
> understanding and configuring qjackctl? I'd like to know what sort of
> latency is realistic, and how to achieve it.
>
> Thanks!
>
> ~holotone
>
> On 11/12/07, Chris Dawson <xrdawson at gmail.com> wrote:
> >
> > strace is "system call trace."  It simply runs a program within a
> > harness that outputs all the system calls made.  In this case, it will
> > output and tell you where the jackd program is dying.  In my case I
> > saw that it was dying when it tried to open and write to the
> > directory.
> >
> > It is absolutely harmless to run strace, it just outputs a lot of
> > extra information you probably won't understand, but would be useful.
> > If you'd like run it and send me the output.  You can do this:
> >
> > strace -ooutput.txt /usr/bin/jackd -R -u -dalsa -dhw:0 -r44100 -p1024
> > -n2 &
> >
> > Then, it'll either die on its own, or you'll need to run:
> >
> > killall -9 strace jackd
> >
> > ...to kill it.  Then, send me the output.txt file and I can look for
> > something suspicious.  Or, you can check it out youself and perhaps
> > you can figure it out.
> >
> > Chris
> >
>
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