[alsa-devel] Jackd dies with snd-usb-usx2y (DRIVER NT error)

Lee Revell rlrevell at joe-job.com
Tue May 15 22:11:00 CEST 2007

On 5/15/07, Michael Bourgeous <sts.nitrogen at gmail.com> wrote:
> chrt -v -f 70 jackd -d alsa -dhw:1,2 -p 64 -n 2 # also tried defaults,

You should be using jackd -R -d alsa etc. rather than chrt.

> chrt -v -f 25 zynaddsubfx

No need to use chrt, jackd will take care of realtime priority.

> ----------
> [12546.132286] ALSA [...]/usx2yhwdeppcm.c:94: activ frame status -70.
> Most propably some hardware problem.
> ----------

Sounds like a hardware problem.  Try a different USB port.  Make sure
you aren't using a USB hub.


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