diagnostic tools to trace the reason xruns are happening?

[Kenneth Koym]

Ralf: does this work if I have the ppa in kstudio 10.04.02 amd64, which ran
updates today? Am definitely not in 11.04; I have some xruns but not bad. It
appears the magic fedora people tell about may not be applicable to my OS as
I don't get to start. Ken


On Wed, Jun 22, 2011 at 2:10 PM, Ralf Mardorf <ralf.mardorf at alice-dsl.net>wrote:

> On Wed, 2011-06-22 at 19:56 +0200, Ralf Mardorf wrote:
> > On Wed, 2011-06-22 at 19:24 +0200, bart deruyter wrote:
> > > there is no access for the audio group to the high precision event
> > > timer, nor for the real-time clock.
> >
> > The regular timer should be automatically set to group audio during
> > startup, run
> >
> > $ ls /dev/snd/timer -l
>
> PS:
>
> If the permissions aren't set correctly, edit something regarding to the
> timer, as I had to do for seq for Debian
> testing /etc/udev/rules.d/50-udev-default.rules
>
>        # sound
>        KERNEL=="seq", GROUP="audio", MODE="0660", \
>        OPTIONS+="static_node=snd/seq"
>
> name it 01-blabla.rules ;). The Debian systems seems to be
> anti-multimedia :D.
>
> >
> > to check this.
> >
> > Hpet needs to be set by you for startup. Or in a terminal emulation run
> >
> > $ sudo chgrp audio /dev/hpet
> > $ sudo chmod g+rw /dev/hpet
> > $ sudo modprobe snd-hrtimer
> >
> > to set it after startup.
>
>
>
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