Public bug reported:
If the laptop hibernates or suspends and then resumes, there is an odd
effect when starting (at least) mplayer video and rhythmbox (probably
totem and VLC too). Video and audio playback is noticeably too fast: a
5 min song will play in 4min 35sec of real-time, and about a major
second out of tune. I'm guessing the sound card clock is set wrongly on
resume. Running mpg321 (with default or -o oss or -o alsa09) will reset
it so that playback is correct (mpg321 -o esd does not); restarting
pulseaudio (not sure the best way to do this) doesn't seem to have any
effect, but sudo alsa force-reload also restores to correct
pitch/timing.
Ubuntu 9.10 2.6.31-14-generic on Viglen Dossier laptop, soundcard: Intel
82801CA-ICH3 with AD1886
ProblemType: Bug
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: I82801CAICH3 [Intel 82801CA-ICH3], device 0: Intel ICH [Intel
82801CA-ICH3]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp',
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/pcmC0D1c',
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer',
'/dev/sequencer', '/dev/sequencer2'] failed with exit code 1:
Card0.Amixer.info:
Card hw:0 'I82801CAICH3'/'Intel 82801CA-ICH3 with AD1886 at irq 5'
Mixer name : 'Analog Devices AD1886'
Components : 'AC97a:41445361'
Controls : 38
Simple ctrls : 24
Date: Tue Nov 10 13:47:08 2009
DistroRelease: Ubuntu 9.10
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: alsa-driver
Uname: Linux 2.6.31-14-generic i686
** Affects: linux
Importance: Undecided
Status: New
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
Playback 10% too fast after resume
https://bugs.launchpad.net/bugs/480010
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