Bug#720767:

Peter Ward peteraward at gmail.com
Sat May 10 04:09:46 UTC 2014


On 4 May 2014 03:07, Felipe Sateler <fsateler at debian.org> wrote:

> On Sat, May 3, 2014 at 1:26 AM, Peter Ward <peteraward at gmail.com> wrote:
> >
> > On 29 April 2014 13:26, Felipe Sateler <fsateler at debian.org> wrote:
> >>
> >> > When running pulseaudio under my normal user (not in system mode),
> there
> >> > is an initial crackling / white noise which plays until
> >> > module-suspend-on-idle kicks in and suspends the device.
> >>
> >> Does this problem happen with pulseaudio 5? If so, I'll need the output
> of
> >>
> >> pulseaudio -vvvv --log-time
> >
> >
> > Yes, it still happens, and there’s no change in behaviour: by default
> > there’s several seconds of crackling, with the timeout=0 workaround,
> there’s
> > just a short click.
> > I’ve attached pulse.log (which doesn’t have timeout=0) and pulse2.log
> (which
> > did).
>
> Hmm, nothing on the logs!
>
> >
> >> Also, is the cpu active while the crackling is there? Does the noise
> >> reappear when the sink is resumed? Does dmesg say anything that might
> >> be related?
> >
> >
> > Obviously there’s still some startup activity going on, but it’s not
> running
> > at 100% cpu or anything like that.
> > No, once it’s been suspended, the problem goes away (until next time
> > pulseaudio is started).
> > And no, I can’t see anything related in dmesg (or
> > /var/log/{syslog,kern.log,messages}).
>
> OK, what happens if you modify default.pa to add tsched=0 to
> module-udev-detect?
>

No difference in what I hear, I’ve attached pulse3.log (-vvvv --log-time).


>
> --
>
> Saludos,
> Felipe Sateler
>


-- 
Peter Ward
http://flowblok.id.au/
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