*** This bug is a duplicate of bug 373864 ***
https://bugs.launchpad.net/bugs/373864
** This bug has been marked a duplicate of bug 373864
pulse audio null output
--
No sound; Output device null
https://bugs.launchpad.net/bugs/413806
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The same problem
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition
Audio Controller (rev 02)
Subsystem: Acer Incorporated [ALI] Device 0110
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Sta
Seeing something similar on my laptop, when I run gnome-volume-control
the sound cuts out and pulseaudio drops my real audio device.
Restarting pulseaudio gets things working again.
80:01.0 Audio device: VIA Technologies, Inc. VT1708/A [Azalia HDAC] (VIA High
Definition Audio Controller) (rev 10)