[Pkg-pulseaudio-devel] Bug#548474: pulseaudio: Sometimes uses 100 % resources until killed.

[Paul Menzel]

Am Freitag, den 25.12.2009, 10:37 +0100 schrieb Paul Menzel:
> Am Donnerstag, den 24.12.2009, 19:39 +0100 schrieb Paul Menzel:
> > Am Mittwoch, den 07.10.2009, 23:49 +0200 schrieb Paul Menzel:
> > > Am Mittwoch, den 07.10.2009, 21:35 +0100 schrieb Sjoerd Simons:
> > > > On Sat, Sep 26, 2009 at 05:00:13PM +0200, Paul Menzel wrote:
> > > 
> > > […]
> > > 
> > > > I don't think this is fixed in 0.9.19, but it would be cool if you could verify
> > > > that it's still there?
> > > 
> > > As written I do not know how to reproduce the problem. I will report
> > > back, when this happens again.
> > 
> > I can reproduce it with Skype and on two different systems with
> > PulseAudio installed but different sound hardware (VIA and Intel).
> > 
> > Skype and PulseAudio have half of the available CPU usage.
> > 
> > Sorry, I know that Skype is not Free Software but other users of this
> > system really need to use it. I am using
> > 
> > $ dpkg -l skype
> > […]
> > ii  skype          2.1.0.47-1     Skype - Take a deep breath
> > 
> > which can be downloaded from [1]. But I guess PulseAudio should not max
> > out too.
> > 
> > It would be nice if you can tell me how I could find the cause of this
> > problem. At least what PulseAudio processes are the reason.
> 
> Ok, the problem also surfaces if I just open `gnome-volume-control` –
> the one from PulseAudio I think.
> 
> $ dpkg -S /usr/bin/gnome-volume-control
> gnome-media: /usr/bin/gnome-volume-control
> 
> PulseAudio shows 150 % of system usage in `top` but it goes back to
> normal if I close `gnome-volume-control` afterward.

I do not know if it is related and will write a separate bug report if
necessary, but here is a trace of where Empathy was not responsive
anymore when the partner talking with opened a video call which crashed,
and PulseAudio also show high system usage. You can see

	thread apply all bt full

in GDB during the hang of Empathy and after it was killed and PulseAudio
went back to normal.

Please tell me, if there are confidential information (username or
password) in the traces.


Thanks,

Paul


> > [1] http://download.skype.com/linux/skype-debian_2.1.0.47-1_i386.deb
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