Public bug reported:
Binary package hint: pulseaudio
After each reboot, sound works for about 20min, then suddenly stops.
This is on an acer aspire one ao751h running karmic.
Unsure the problem is directly with pulseaudio. Interesting messages about
HDA_Intel in dmesg
ProblemType: Bug
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: ALC272 Analog [ALC272 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: ALC272 Analog [ALC272 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: nbarcet 1662 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'MID'/'HDA Intel MID at 0xb0050000 irq 22'
Mixer name : 'Realtek ALC272'
Components : 'HDA:10ec0272,10250244,00100001'
Controls : 14
Simple ctrls : 9
Date: Wed Oct 14 10:02:31 2009
DistroRelease: Ubuntu 9.10
Package: pulseaudio 1:0.9.19-0ubuntu1
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
SourcePackage: pulseaudio
Tags: ubuntu-unr
Uname: Linux 2.6.31-13-generic i686
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 ubuntu-unr
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Sound stops working after about 20 min
https://bugs.launchpad.net/bugs/451073
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