Re: snd-usb-usx2y 0.7.1 against cvs head: please test it!

[Werner Schweer <ws@seh.de>]

On Wednesday 14 July 2004 19:41, Werner Schweer wrote:
> On Wednesday 14 July 2004 19:19, Karsten Wiese wrote:
> > > testing on 2.6.7-bk20 i get the following message when starting
> > > JACK:
> > >
> > > ALSA lib pcm_hw.c:549:(snd_pcm_hw_start) SNDRV_PCM_IOCTL_START failed:
> > > Broken pipe
> > > could not start playback (Broken pipe)
> > > jackd watchdog: timeout - killing jackd
> > >
> > > the system log says:
> > >
> > > Jul 14 18:40:53 t10 vmunix:
> > > ALSA
> > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio.c:
> > >24 6: -28
> >
> > #define	ENOSPC		28	/* No space left on device */
> >
> > If you didn't try yet,
> > please start Jack with the -S alsa driver option to use 16bit format.
> > Using 24bit on kernels with "uhci debugging" I get lots of dmesg warnings
> > complaining about overusing the usb - bandwidth although everything works
> > fine. Using 16bit the kernel doesn't complain.
> > Maybe usb bandwidth checks are broken?
> >
> > > Jul 14 18:40:53 t10 vmunix:
> > > ALSA
> > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio.c:
> > >34 7: Sequence Error!(ep=10;nuc=1,frame=860)
> > > Jul 14 18:40:53 t10 vmunix:
> > > ALSA
> > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio.c:
> > >34 7: Sequence Error!(ep=8;nuc=1,frame=860)
>
> starting jackd with -S (force 16bit format) works!
>

but only for about 20 minutes, then jackd dies with same error, same
system error message :-(

/werner




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