Your message dated Tue, 10 Jun 2014 12:03:23 -0400
with message-id
<CAAfdZj9JW=pn9ae_7cwbfnk5hngdz2qfthsb9gx4zu3_khd...@mail.gmail.com>
and subject line Closing old bugs
has caused the Debian Bug report #740038,
regarding pulseaudio hangs in D (uninterruptible sleep)
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
740038: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=740038
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: pulseaudio
Version: 4.0-6+b1
Severity: important
It is somewhat unclear to me how this happened, but a pulseaudio
daemon has hanged on my machine:
PID STARTED S TTY TIME COMMAND
10093 Feb 21 D ? 01:15:42 /usr/bin/pulseaudio --start
--log-target=syslog
I have tried to kill the process (even with -KILL), and it just stays
there. It has been like this for a while now.
I have a rather convoluted setup, with liquidsoap driving pulseaudio,
however liquidsoap is stopped now yet PA is still running. Some
details on the setup can be perused here:
http://anarc.at/services/radio/
I have tried to attach an strace or a gdb to the process, but both
simply hang when attaching.
Here are some relevant logs:
/var/log/syslog.2.gz:Feb 22 11:06:13 marcos pulseaudio[10093]:
[alsa-sink-ALC887 Analog] alsa-sink.c: Error opening PCM device front:0:
Périphérique ou ressource occupé
/var/log/syslog.2.gz:Feb 22 11:06:14 marcos pulseaudio[10093]:
[alsa-sink-ALC887 Analog] alsa-sink.c: Error opening PCM device front:0:
Périphérique ou ressource occupé
/var/log/syslog.2.gz:Feb 22 11:06:23 marcos pulseaudio[10093]:
[alsa-sink-ALC887 Analog] alsa-sink.c: Error opening PCM device front:0:
Périphérique ou ressource occupé
/var/log/syslog.3.gz:Feb 21 17:50:06 marcos pulseaudio[10093]: [pulseaudio]
pid.c: Stale PID file, overwriting.
/var/log/syslog.3.gz:Feb 21 19:16:24 marcos pulseaudio[10093]:
[alsa-sink-ALC887 Analog] alsa-sink.c: Error opening PCM device front:0:
Périphérique ou ressource occupé
/var/log/syslog.3.gz:Feb 21 19:16:27 marcos pulseaudio[10093]:
[alsa-sink-ALC887 Analog] alsa-sink.c: Error opening PCM device front:0:
Périphérique ou ressource occupé
/var/log/syslog.1:Feb 23 21:11:21 marcos pulseaudio[10093]: [pulseaudio]
module-combine-sink.c: Assertion
'pa_idxset_remove_by_data(o->userdata->outputs, o, NULL)' failed at
modules/module-combine-sink.c:927, function output_free(). Aborting.
/var/log/syslog.1:Feb 23 21:11:21 marcos kernel: [796082.449407] CPU: 1 PID:
10093 Comm: pulseaudio Not tainted 3.12-1-amd64 #1 Debian 3.12.9-1
Here is a translation of the french sentence: "Périphérique ou
ressource occupé" means "Resource or device busy" or something to that
effect.
Note that liquidsoap crashed on feb 21st:
2014/02/21 17:44:46 [threads:2] Queue generic queue #2 crashed with exception
File "request.ml", line 512, characters 2-8: Assertion failed
2014/02/21 17:44:46 [threads:2] Called from file "duppy.ml", line 280,
characters 9-26
2014/02/21 17:44:46 [threads:1] PANIC: Liquidsoap has crashed, exiting..
2014/02/21 17:44:46 [threads:1] Please report at: [email protected]
2014/02/21 17:44:47 >>> LOG START
2014/02/21 17:44:46 [protocols.external:3] Found "/usr/bin/wget".
2014/02/21 17:44:46 [main:3] Liquidsoap 1.1.1
Then it was restarted and it's when that dreaded pulseaudio process
got spawned:
2014/02/21 17:51:44 [threads:3] Created thread "wallclock_pulse" (1 total).
2014/02/21 17:51:44 [clock.wallclock_pulse:3] Streaming loop starts,
synchronized by active sources.
I am not sure, however, it was actually writing to that pulseaudio
process at that point. I tried to restart liquidsoap yesterday, but it
failed:
2014/02/23 21:17:01 [clock.wallclock_pulse:2] Error when starting output
pulse_out(liquidsoap:): Pulseaudio error: Timeout!
2014/02/23 21:17:01 [threads:3] Created thread "wallclock_pulse" (1 total).
2014/02/23 21:17:01 [clock.wallclock_pulse:3] Streaming loop starts,
synchronized by active sources.
2014/02/23 21:17:01 [server:3] Unlink anaradio.socket
2014/02/23 21:17:01 [main:3] Shutdown started!
Notice how it times out talking to pulseaudio.
Other commandline tools also fail to talk to PA:
liquidsoap@marcos:~$ LANG=C pacmd list
Daemon not responding.
liquidsoap@marcos:~$ LANG=C pactl list
Connection failure: Timeout
I understand liquidsoap's pulseaudio implementation may be limited or
wrong, but from my perspective, it shouldn't be crashing the daemon
the way it is doing right now.
I would welcome hints on how to debug this problem, right now I feel
that only a reboot will allow me to kill that process, something which
is a little odd in itself.
-- System Information:
Debian Release: jessie/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.12-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages pulseaudio depends on:
ii adduser 3.113+nmu3
ii consolekit 0.4.6-3+b1
ii libasound2 1.0.27.2-3
ii libasound2-plugins 1.0.27-2+b1
ii libc6 2.17-97
ii libcap2 1:2.22-1.2
ii libdbus-1-3 1.8.0-1
ii libfftw3-single3 3.3.3-7
ii libgcc1 1:4.8.2-15
ii libice6 2:1.0.8-2
ii libltdl7 2.4.2-1.7
ii liborc-0.4-0 1:0.4.18-1
ii libpulse0 4.0-6+b1
ii libsamplerate0 0.1.8-7
ii libsm6 2:1.2.1-2
ii libsndfile1 1.0.25-9
ii libspeexdsp1 1.2~rc1.1-1
ii libstdc++6 4.8.2-15
ii libsystemd-login0 204-7
ii libtdb1 1.2.12-1
ii libudev1 204-7
ii libwebrtc-audio-processing-0 0.1-2
ii libx11-6 2:1.6.2-1
ii libx11-xcb1 2:1.6.2-1
ii libxcb1 1.10-2
ii libxtst6 2:1.2.2-1
ii lsb-base 4.1+Debian12
ii udev 204-7
Versions of packages pulseaudio recommends:
ii gstreamer0.10-pulseaudio 0.10.31-3+nmu2
ii pulseaudio-module-x11 4.0-6+b1
ii rtkit 0.10-3
Versions of packages pulseaudio suggests:
ii paman 0.9.4-1
ii paprefs 0.9.10-1
ii pavucontrol 1.0-1
ii pavumeter 0.9.3-4
ii pulseaudio-utils 4.0-6+b1
-- no debconf information
--- End Message ---
--- Begin Message ---
Hi,
I'm sorry I have to close your bug without a proper fix. However, your
bug is being closed because when asked for more information, over a
month passed without reply, and/or another user reported the bug gone.
If I closed your bug wrongly, please reopen it or file a new one. I
will try to help in debugging the problem.
--
Saludos,
Felipe Sateler
--- End Message ---
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