[Jackit-devel] Re: [linux-audio-user] jackd and usb 1.1 audio on i386 non-functional

Lee Revell rlrevell at joe-job.com
Fri Mar 3 16:20:22 EST 2006

On Fri, 2006-03-03 at 23:09 +0200, Sampo Savolainen wrote:
> On Fri, 2006-03-03 at 13:18 -0500, Lee Revell wrote:
> > > So, instead of interpreting them to users the software should say: "learn C
> > > headers and read errno.h?". Gah. 
> > > 
> > > Good software tells the users what's really wrong and directs the user in
> > > how to fix the issue. This leads to happier users and less repeated "why
> > > doesn't this work" questions on mailing lists, irc, personal email, etc.
> > 
> > We don't KNOW what's wrong beyond "not enough bandwidth".
> "Problems with jackd using your soundcard. Specifically 'Not enough
> bandwidth'. If you are using an USB soundcard, this probably means that
> you are running the soundcard with either a wrong buffer size or a wrong
> amount of periods. Try running jackd with -r 3"
> We don't? I think we do know more. :)

"Or maybe you have enabled CONFIG_USB_BANDWIDTH.  Or your kernel is
buggy.  Or your device is connected through a hub.  The solution may
depend on which host controller driver you are using..."



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