Bug#800120: pulseaudio: No sound after upgrade to pulseaudio 7.0-1

[johnw]

On Tuesday, September 29, 2015 10:11 PM, Felipe Sateler wrote:
> On 29 September 2015 at 10:12, johnw <johnw.mail at gmail.com> wrote:
>> On Monday, September 28, 2015 07:13 PM, Felipe Sateler wrote:
>>> Control: forwarded -1 https://bugs.freedesktop.org/show_bug.cgi?id=92141
>>>
>>> On 28 September 2015 at 07:03, Felipe Sateler <fsateler at debian.org> wrote:
>>>> Control: tags -1 moreinfo
>>>>
>>>> Hi,
>>>>
>>>> On 26 September 2015 at 23:50, john <johnw.mail at gmail.com> wrote:
>>>>> Package: pulseaudio
>>>>> Version: 7.0-1
>>>>> Severity: normal
>>>>>
>>>>> Dear Maintainer,
>>>>>
>>>>> *** Reporter, please consider answering these questions, where
>>>>> appropriate ***
>>>>>
>>>>>      No sound after upgrade pulseaudio 7.0-1,
>>>>>      when I run alsamixer:
>>>>>
>>>>>      ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect:
>>>>>      Protocol error
>>>>>
>>>>>      cannot open mixer: Connection refused
>>>> Could you please attach a verbose log of pulseaudio[1] and then reproduce
>>>> this?
>>>>
>>>> Also, does pavucontrol work or only alsamixer fails?
>>> Here are better instructions provided by upstream[1], if you could
>>> post the information it would be great.
>>>
>>> First, install libpulse0-dbg, pulseaudio-utils-dbg and gdb. Then
>>> follow the steps described by upstream:
>>>
>>>
>>> % PULSE_LOG=99 gdb --args pactl stat
>>>
>>> That will print something like this:
>>>
>>> GNU gdb (Debian 7.10-1) 7.10
>>> Copyright (C) 2015 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...done.
>>> (gdb)
>>>
>>> You're now in the gdb prompt. Enter "break pa_memimport_get". That
>>> symbol hasn't yet been loaded, so gdb asks you whether to add the
>>> breakpoint when the symbol becomes available. Answer "y". Then enter
>>> "run". The execution should soon stop at the breakpoint. From now on
>>> enter "n" ("n" is short for "next") repeatedly until the program exits
>>> (that will take quite some time). When the program exits, you can quit
>>> gdb with command "quit", and then save all the terminal output and
>>> attach it here. That should show the exact place that fails.
>>>
>>>
>>>
>>> [1] https://bugs.freedesktop.org/show_bug.cgi?id=92141#c6
>>>
>>>
>> Hi, attached log file for your reference, and below is the gdb log, thanks.
> Hm, strange, I don't see any program output there.  What does `pactl
> stat` say (without the gdb part) ? Also, please also answer the other
> questions I sent, to determine if it is the same bug or not.
>
pactl stat
Currently in use: 1 blocks containing 64.0 KiB bytes total.
Allocated during whole lifetime: 443 blocks containing 1.8 MiB bytes total.
Sample cache size: 0 B
kaka at kvm102:~$ echo $?
0
kaka at kvm102:~$ ps auxZ |grep pulse
unconfined                      kaka      4842  0.0  0.1 166912 9216 
?        Sl   22:31   0:00 /usr/bin/pulseaudio --start --log-target=syslog

No, I do not use firejail / any sandbox with pulse-*-thing