[Bug 332631] Re: pulseaudio errors, sound/audio bugs

[Richard Smith]

Ubuntu 10.04 Lucid AMD64, Nvidia video driver, NVIDIA GeForce4 MX 440
AGP 8x

This has happened a few times:
User1 on F8 console
User2 on F9 console
 User2 playing streamed music in Firefox
 Switch to User1 on F8
   Music stops playing
   After around 30 sec:
                       Screen blanks
                       Drum roll
                       Login screen, on F9
                       The previous X session on F9 has crashed out, all the work on open windows gone.
I found the following log messages, but ultimately perhaps it is Xorg or nvidia that should take responsibility for the X session crash?                      
                     
/var/log/messages:
Aug 27 11:19:51 joseph pulseaudio[26567]: pid.c: Stale PID file, overwriting.
Aug 27 11:19:52 joseph pulseaudio[26567]: main.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-T203Jnz5Q3: Connection refused
Aug 27 11:19:54 joseph pulseaudio[26624]: alsa-mixer.c: Your kernel driver is broken: it reports a volume range from 0.00 dB to 0.00 dB which makes no sense.
Aug 27 11:20:59 joseph pulseaudio[26624]: last message repeated 2 times

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pulseaudio errors, sound/audio bugs
https://bugs.launchpad.net/bugs/332631
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