Public bug reported:
I experience a pop after the sound system has been inactive for a while,
which is consistent with what I read about snd-hda-intel's power_save
functionality.
The attached logs probably contain more information than I could
summarize here. The machine is a MSI Wind U100 rebrand (Advent 4211),
and aplay -l calls the sound device model "ALC1200 Analog [ALC1200
Analog]". I'm running a 2.6.31-14-generic kernel on Karmic, with alsa-
base version 1.0.20+dfsg-1ubuntu5.
ProblemType: Bug
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC1200 Analog [ALC1200 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
Architecture: i386
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xffe00000 irq 16'
Mixer name : 'Realtek ALC1200'
Components : 'HDA:10ec0888,14620110,00100101'
Controls : 22
Simple ctrls : 14
Date: Fri Oct 23 23:28:33 2009
DistroRelease: Ubuntu 9.10
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
LANGUAGE=
PATH=(custom, user)
LANG=en_US.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: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
[9.10 regression] HDA power_save=10
https://bugs.launchpad.net/bugs/459420
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