[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 13:18:03 EST 2006


On Fri, 2006-03-03 at 12:02 +0200, Sampo Savolainen wrote:
> Quoting Lee Revell <rlrevell at joe-job.com>:
> 
> > On Fri, 2006-03-03 at 11:33 +0200, Sampo Savolainen wrote:
> > > Quoting Clemens Ladisch <clemens at ladisch.de>:
> > > 
> > > > Lee A. Azzarello wrote:
> > > > > ----- Clemens Ladisch <clemens at ladisch.de> wrote:
> > > > > cannot submit datapipe for urb 4, err = -28
> > > > 
> > > > 28 = ENOSPC (not enough bandwidth)
> > > 
> > > Why doesn't jack tell the user this, why did Clemens need to post on
> > LAU to ask?
> > 
> > These are standard, well known error codes,
> > see /usr/include/linux/errno.h
> 
> 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".

Lee



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