Red Hat Bugzilla – Bug 1021327
Pulseaudio crashes making sound based applications unusable
Last modified: 2015-02-17 12:46:01 EST
Created attachment 814405 [details]
pulseaudio -vvvvv &> pulse.output
Description of problem:
Pulseaudio is crashing consistently on the 26 computers in our schools lab, making sound based applications unusable.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. I've followed the instructions on https://fedoraproject.org/wiki/How_to_debug_PulseAudio_problems to run pulseaudio -vvvvv
2. run 'pulseaudio -vvvvv &> pulse.output'
3. I then run 'pacmd ls > pacmd.output' as suggested.
4. Open Activities > Programs > Sound
5. Click "Test Speakers'
6. Click "Test" for one of the speakers. A sound is heard (Front [Right|Left])
7. Click "Test" again for one of the speakers. No sound is heard. The pulseaudio server aborts.
The pulseaudio server aborts and the following line appears in the output (with the second line appearing at the prompt.
E: [pulseaudio] module-stream-restore.c: Assertion 'pa_hashmap_put(u->dbus_entries, de->entry_name, de) == 0' failed at modules/module-stream-restore.c:1397, function subscribe_callback(). Aborting.
Aborted (core dumped)
I would expect the sound to play as expected.
Trying to use applications that play sounds sees them lock up. For example kdenlive works until you try to playback the 'movie' you're making and then it just hangs.
With 'autospawn = no' just using the GUI sees pulseaudio die while using other applications.
Created attachment 814407 [details]
pacmd ls > pacmd.output
Do you want me to get some stacktrace for this?
Okay, I've installed all the debuginfo files and run
thread apply all bt full
and then copied the output to gedit and saved as a file.
I'll attached the output as pulse.gdb
Created attachment 814846 [details]
Is more information needed for this bug?
Created attachment 948562 [details]
Patch that keeps PulseAuidio from aborting on my system
Since upstream hasn't done anything with this bug, here's the patch I used to make it stop aborting on my machine. It might work for you too.
I've moved the lab to fedora 20 and this problem is no longer a problem.
Not sure if you want to keep this open?
Note that my patch is against pulseaudio-5.0-10 so that version is still broken.
Jay, you sure your issue is the same as Rodd's? (he claims the latest pulseaudio no long exhibits the problem for him, per comment #8)
Regardless, any issue still affecting the latest pulseaudio release ought to be sent upstream to bugzilla.freedesktop.org (I can, but it's ideal if done by someone experiencing the specific problems in case they need any additional information or feedback).
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