[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1026548
Title:
popping sound at 10s intervals when on battery power
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
This appears to be an old bug in kernel module snd_hda_intel (see
/usr/share/doc/alsa-base/driver/powersave.txt and
http://forums.opensuse.org/english/get-technical-help-here/hardware/388736-strange-pop-click-sound-speakers-every-time.html).
Strangely however, I only observed this after upgrading to Precise AND
installation of a new battery in my T61p Thinkpad. In any case, turning off
Intel audio power saving works around the problem:
In /usr/lib/pm-utils/power.d/intel-audio-powersave
change the line
INTEL_AUDIO_POWERSAVE=${INTEL_AUDIO_POWERSAVE:-true}
to
INTEL_AUDIO_POWERSAVE=false
I am only filing this bug report since finding the workaround for
specifically Precise (and other recent Ubuntu distros) required a bit
of time (to put 2 and 2 together). Hope others won't have to spend the
time now.
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