[linux-audio-user] Re: Intel HDA and Jack

I. E. Smith-Heisters public at 0x09.com
Sat Jun 17 15:05:20 EDT 2006

Unfortunately, changing to the OSS "nv" driver doesn't have any
observable effect on Jack's behavior.... I'll try futzing around with
that possibility some more though... maybe VESA drivers? ick.


On 6/17/06, Jack O'Quin <jack.oquin at gmail.com> wrote:
> On 6/14/06, I. E. Smith-Heisters <public at 0x09.com> wrote:
> > Okay, looked at it some more. When RT is enabled, jack just locks up
> > and the watchdog terminates the process, regardless of the buffer
> > size. When RT is disabled the xruns are allowed to continue, and the
> > number of xruns decreases with a higher buffer size (but never go
> > below about 10/second). There's no evidence that RT mode has failed to
> > be set. This is all as root.
> >
> > I am using the proprietary NVIDIA drivers, as gotten from the Ubuntu
> > repositories. I would be surprised if this had anything to do with it
> > though, since direct alsa works fine with the same xOrg drivers.
> > Unless, of course, there's some software conflict between the video
> > drivers and jack itself (as opposed to there being a hardware-level
> > conflict).
> It would not surprise me for the proprietary drivers to behave in
> a non-realtime-safe manner.  This would affect JACK much worse
> than some heavily-buffered ALSA application.
> Can you try it with the open source driver to compare?
> --
>  joq

More information about the Linux-audio-user mailing list