Bug#850806: [pulseaudio] pulseaudio hangs in "context_autospawn"

[Bogdan Vatra]

Actually every time when I'm using "$ pactl stat" it starts 2-3 more instances 
of pulseaudio :(

On marți, 10 ianuarie 2017 17:59:38 EET Bogdan Vatra wrote:
> Hi,
> 
> Attached, but there is not to much in it ...
> 
> BTW, immediately aster I'm installing pulseaudio a few (3-4) instances are
> spawn instantly.
> 
> On marți, 10 ianuarie 2017 08:35:05 EET Felipe Sateler wrote:
> > Control: tags -1 moreinfo
> > 
> > Hello Bogdan,
> > 
> > 
> > On Jan 10, 2017 07:39, "Bogdan Vatra" <bogdan.vatra at kdab.com> wrote:
> > 
> > Package: pulseaudio
> > Version: 9.0-5
> > Severity: important
> > 
> > --- Please enter the report below this line. ---
> > For some time (~1month) pulseaudio doesn't work anymore on my system
> > (after
> > I
> > upgrade my os ~1mounth ago). Until now I just removed it because didn't
> > had
> > time to check. But today I've installed libpulse0-dbgsym and
> > pulseaudio-dbgsym
> > packages and I could trace (more or less) the problem.
> > 
> > $ gdb pactl
> > GNU gdb (Debian 7.12-4) 7.12
> > Copyright (C) 2016 Free Software Foundation, Inc.
> > License GPLv3+: GNU GPL version 3 or later
> > <http://gnu.org/licenses/gpl.html
> > 
> > This is free software: you are free to change and redistribute it.
> > There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> > and "show warranty" for details.
> > This GDB was configured as "x86_64-linux-gnu".
> > Type "show configuration" for configuration details.
> > For bug reporting instructions, please see:
> > <http://www.gnu.org/software/gdb/bugs/>.
> > Find the GDB manual and other documentation resources online at:
> > <http://www.gnu.org/software/gdb/documentation/>.
> > For help, type "help".
> > Type "apropos word" to search for commands related to "word"...
> > Reading symbols from pactl...(no debugging symbols found)...done.
> > (gdb) set args stat
> > (gdb) r
> > Starting program: /usr/bin/pactl stat
> > [Thread debugging using libthread_db enabled]
> > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> > ^C
> > (gdb) bt
> > #0  0x00007ffff727cb2a in __waitpid (pid=pid at entry=990,
> > stat_loc=stat_loc at entry=0x7fffffffd8f8, options=options at entry=0)
> > 
> >     at ../sysdeps/unix/sysv/linux/waitpid.c:29
> > 
> > #1  0x00007ffff7b98d00 in context_autospawn (c=c at entry=0x5555557647c0) at
> > pulse/context.c:751
> > #2  0x00007ffff7b9900f in try_next_connection (c=c at entry=0x5555557647c0)
> > at
> > pulse/context.c:843
> > #3  0x00007ffff7b99c7d in pa_context_connect (c=0x5555557647c0,
> > server=<optimized out>, flags=<optimized out>, api=0x0)
> > 
> >     at pulse/context.c:1042
> > 
> > #4  0x0000555555557a04 in main ()
> > 
> > As you can see it's hanged in context_autospawn, sadly I have no idea what
> > to
> > do next (besides removing it again) :).
> > 
> > 
> > This suggests the server is failing to start. Is there a pulseaudio
> > process
> > running?(my guess is not) Could you start pulseaudio manually in verbose
> > mode to see what it says?
> > 
> > pulseaudio -vvvv --log-target=file:pa.log
> > 
> > And then please attach pa.log to this report
> > 
> > Saludos,
> > Felipe Sateler