Re: Jack2 Issue

> From: Stéphane Letz <letz@...>
> Subject: Re: [Jack-Devel] Jack2 Issue
> To: "James Warden" <warjamy@...>
> Cc: "JACK Developers" <jack-devel@...>
> Date: Tuesday, June 23, 2009, 5:35 AM
>
> Le 23 juin 09 à 11:31, James Warden a écrit :
>
> >
> > another issue. This is more for your information, I
> think jack2 is not to be blamed at all but some ppl may
> experience some weird stuff, as described below.
> >
> > I upgraded xorg to version 7.4 in order to catch up on
> more recent updates (KDE 4.2, etc). I also upgraded the
> intel video driver to version 2.7.99 for my intel IGP.
> > Well, looks all nice but jack2 does not like it very
> much and produces clicks and pops (not logged as xruns
> though).
> >
> > Things that changed compared to my previous setup
> >
> > 1- xorg 7.4 requires hal to work. I always had hal
> disabled, had no need of it. But now, I must have it
> otherwise, no mouse, no keyboard running at X startup.
> >
> > 2- with the normal video driver setup (2D accel, and
> DRI stuff), I get kernel bugs. I don't have a trace to
> provide now but it looks quite ugly. Disabling 2D acc and
> DRI stops the kernel bugs but jack2 still craps out some
> clicks and pops.
> >
> > Remedy:
> > I am using jack1 as a fallback and things seem stable
> again. But this xorg development really sucks.
>
> Since JACK1 seems to works better (and JACK1/JACK2 share
> the same ALSA backend code) could you possibly try JACK2 in
> "synchronous" mode? (-S in command line) and see if it
> helps?
>
> Thanks
>
> Stéphane