Re: pulseaudio and gtk events issues

[Manu TM <manutm007 gmail com>]

I think this should have been documented by pulseaudio (I mean in case 
they knew the problem)
because it would have saved a ***lot*** of time to people like you and 
me. Not to mention that
chasing non-existent bugs is likely to leave you in an urgent need of a 
psychiatrist... ;)

Emmanuel Thomas-Maurin




Nikolaj Thygesen wrote:
>  I can't tell you what you're specific issue is (as I'm running fbsd), 
> but recently I spent months chasing a bug in my own app, which ended 
> up being a thread related bug in pulseaudio, so you might be right 
> there. I too had to disable window and button sounds. It appeared the 
> gdk lock wasn't handled properly in pulseaudio. This was solved by 
> upgrading the pa release.
>
> br - N :o)
>
> Manu TM wrote:
> > Hi,
> >
> > I'm trying to debug a gtk app on Ubuntu Karmic that crashes from time 
> > to time when I open a
> > dialog. Lately, I have found a precise sequence of UI actions that 
> > always reproduces the bug
> > (I open a dialog, pick an option, click or enter ok, then re-open the 
> > dialog.) But many other
> > sequences crash my app too. And I always get this error:
> >
> > Assertion 'pthread_setspecific(t->key, userdata) == 0' failed at 
> > pulsecore/thread-posic.c:200,
> > function pa_tls_set(). Aborting.
> >
> > So my app seems to crash because an error in pulseaudio, which is 
> > strange. I made some google
> > searches and apparently, this problem exists with other apps 
> > (Abiword, Flash support in Firefox,
> > Gimp, ...) Then, following a suggestion in a bug report, I opened 
> > 'sound-preferences' and disabled
> > 'window and button sounds'. And then, no more crashes, ever.
> >
> > I've already posted on this list about the problem and I don't want 
> > to spam. But I've been re-
> > checking my sources many times since last month, unsuccessfully. Then 
> > my app used to be very
> > stable a couple of months ago and I have checked all the last changes 
> > I have made lately. So the
> > question is: could all this relate to an upgrade to Karmic or a newer 
> > version of pulseaudio?
> >
> > I know that gtk handles events from windows and buttons and so does 
> > pulseaudio. Could it possibly
> > be a bug in pulseaudio on ubuntu (instead of in my app?) Does anyone 
> > have an idea of what's going on?
> >
> > Thanks in advance for any clue.