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<H1>[Mageia-dev] Video/X/GL/gnome-shell issues?</H1>
<B>Olivier Blin</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Video/X/GL/gnome-shell%20issues%3F&In-Reply-To=%3Cm3zk6jbqfb.fsf%40euphor.blino.org%3E"
TITLE="[Mageia-dev] Video/X/GL/gnome-shell issues?">mageia at blino.org
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<I>Sat Jul 28 22:07:20 CEST 2012</I>
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<PRE>Olav Vitters <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">olav at vitters.nl</A>> writes:
><i> On Fri, Jul 27, 2012 at 11:35:44PM +0200, Olivier Blin wrote:
</I>>><i> gdb --pid can be used to get a stack trace then
</I>><i>
</I>><i> gnome-shell:
</I>><i>
</I>><i> The hang is in thread 1. Hangs in glibc, with Pulseaudio calling it.
</I>><i> Seems exactly like the mplayer issue. I've seen this hang before
</I>><i> Pulseaudio 2.1.
</I>><i>
</I>><i> Thread 1 (Thread 0x7f975cfe8900 (LWP 2367)):
</I>><i> #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:144
</I>><i> #1 0x00007f97558a4aa0 in pa_threaded_mainloop_wait (m=0x21bdf00) at pulse/thread-mainloop.c:206
</I>><i> #2 0x00007f97460aaa0b in pulse_driver_play (c=0x21b5280, id=<optimized
</I>><i> out>, proplist=0x704c9c0, cb=<optimized out>, userdata=<optimized
</I>><i> out>) at pulse.c:1085
</I>><i> #3 0x00007f975955624e in ca_context_play_full (c=<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">c at entry</A>=0x21b5280,
</I>><i> id=<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">id at entry</A>=1, p=0x704c9c0, cb=<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cb at entry</A>=0x0,
</I>><i> userdata=<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">userdata at entry</A>=0x0) at common.c:522
</I>><i> #4 0x00007f97595565cf in ca_context_play (c=0x21b5280, id=1) at common.c:462
</I>
(huge backtrace snipped)
This looks exactly like this Debian bug, which was caused by a
pthread_cond_wait patch in glibc:
<A HREF="http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=651746">http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=651746</A>
--
Olivier Blin - blino
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