Re: [LAU] xruns on ubuntu w edirol FA101

From: Nick Dokos <nicholas.dokos@email-addr-hidden>
Date: Fri Jun 04 2010 - 19:53:33 EEST

Atte André Jensen <atte@email.dk> wrote:

> A friend of mine has just installed ubuntu with a little phone support
> from me. The changes we did were:
>
> 1) Add him to the audio group /etc/udev/rules.d/40-permissions.rules
> 2) Add the following to
> KERNEL=="raw1394", GROUP="audio"
> KERNEL=="dv1394*", GROUP="audio"
> KERNEL=="video1394*", GROUP="audio"
> 3) Install a realtime kernel
>
> However he still reports that jack exits after about 10s with
> buffersize 128 and he get's lots of xruns on larger buffer settings (I
> think even on 1024).
>
> This surprises me, since I run standard ubuntu (recently installed the
> realtime kernel, though) with no xruns on buffersize 128 with an FA66.
>
> Is there anything I forgot in my over-the-phone instructions? Other
> ideas on how to narrow this down?
>
> NB: I don't his computer, but according to him, it's an "old laptop"...
>

I had to set periods/buffer to 3 on my laptop (the default was 2). I
don't think jack exited when I had the default setting on, but it got
lots of xruns and playback was *really* rough.

HTH,
Nick
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Received on Fri Jun 4 20:15:02 2010

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