[LAD] snd-usb-audio dying on jackd xruns

[Gabriel Beddingfield]

On Wed, Feb 2, 2011 at 10:41 AM, Rods Bobavich <rodnisms at gmail.com> wrote:
> So I start jackd and it runs fine for a while. Then ALSA crashes and
> triggers an xrun. Jackd continues to do its merry thing - minus the part
> about spitting info out to my soundcard...
> I've tried multiple usb intefaces. All work fine with other computers. I've
> tried multiple version of Ubuntu with various versions of ALSA. Only this
> machine is affected. I have 3 other machines that run these interfaces just
> fine... So it seems to be a hardware compatibility issue not a software
> glitch in one version.
> I've tried many boot flags but to no avail. Am at a loss on how to
> troubleshoot.
> The machine is M4N75TD motherboard with a Phenom II 1055T and the latest
> bios flash.

And the usb interface is.... ??

Does `dmesg` have any error messages?

The output of `sudo lsusb` and `sudo lsusb -t` may also be helpful.
(E.g. is the audio interface sharing a hub with something else?)

-gabriel