[linux-audio-user] jackd and usb 1.1 audio on i386 non-functional

Lee A. Azzarello lee at rockingtiger.com
Thu Mar 2 13:27:02 EST 2006


----- Clemens Ladisch <clemens at ladisch.de> wrote:
> Lee A. Azzarello wrote:
> > ----- Clemens Ladisch <clemens at ladisch.de> wrote:
> > cannot submit datapipe for urb 4, err = -28
> 
> 28 = ENOSPC (not enough bandwidth)
> 
> > I have usb bandwidth turned off in the kernel.
> 
> Then try a newer kernel.

Seriously? I have 2.6.12.2 and I have read reports of people solving this problem with 2.6.11! How much newer is new? Doing kernel compile foo is one of my least favorite things. 
 
> > ALSA and OSS emu drivers will playback sound. It is only a JACK
> issue.
> 
> Jack tries to use full duplex.  Try using only playback or capture
> (-P,
> -C).

Woah...I'd prefer if the device can do duplex, because it's capable of that for sure. I'll take this to the jack email list.

-lee



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