On 9/9/11 1:22 PM, Tanu Kaskinen wrote:
On Fri, 2011-09-09 at 11:33 -0700, Dan wrote:
Thread 1 (Thread 0x7ffff7fd7760 (LWP 22198)):
#0 0x00007ffff35d84dd in pause () from /lib/libpthread.so.0
#1 0x00007ffff59d1689 in sem_wait () from /usr/lib/libpthread-stubs.so.0
#2 0x00007ffff700f898 in pa_semaphore_wait (s=0x6582f0) at
pulsecore/semaphore-posix.c:63
#3 0x00007ffff7b65ffa in pa_asyncmsgq_send (a=0x64e4b0,
object=<optimized out>, code=<optimized out>, userdata=<optimized out>,
offset=<optimized out>, chunk=<optimized out>) at pulsecore/asyncmsgq.c:167
#4 0x00007ffff7b937a3 in sink_set_state (s=0x658720,
state=PA_SINK_IDLE) at pulsecore/sink.c:420
This looks to me like sem_wait() is from a dummy library that doesn't
actually have a useful implementation.
After seeing your reply I did some digging. I thought at first that
libpthread-stubs was indeed from a dummy package so I removed it from my
system and successfully re-compiled PA. I was able to connect from pactl
to PA with a null sink enabled which I was not able to do before.
However pavucontrol was dependent on libpthread-stubs so I started to
try and re-compile it. This proved to be a challenge as I started
noticing lots of things wanting this library. To make a long story
short. It turns out libpthread-stubs is *not* a dummy package and it is
indeed required for tons of stuff most notably xcb, hence right now my
system is in a somewhat unusable state because of having removed it. I
am in the process right now of fixing things back up so I can try and
test PA some more.
Here is some more info on libpthread-stubs:
http://lists.freedesktop.org/archives/xorg-announce/2006-November/000181.html
~Daniel
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