Re: pulseaudio and gtk events issues

[Nikolaj Thygesen <mailinglist diamondbox dk>]

 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.