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strange bug in a gtk app - pulseaudio error

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linux-howto

http://www.linuxquestions.org – Hi, I'm trying to debug a gtk app on ubuntu that crashes from time to time when I open a dialog. Lately I have found a sequence of actions that always reproduces the bug. 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 search and apparently, this problem exists with other apps. Then, following a suggestion in a bug report, I opened sound-preferences and disabled windows and buttons sounds. And surprise? No more crash. I know that gtk handles events from windows and buttons and so does pulseaudio. So, could it possibly be a bug in pulseaudio instead of in my app? Does anyone have an idea of what's going on here? Thanks in advance. (HowTos)