Ok, I finally solved it. By naming the script "/etc/pm/sleep.d/00_mute-
alsa", I guess it runs earlier in the suspend process, and doesn't cause
a problem with PA and cause suspend to fail. Surprisingly, using amixer
works, in spite of PA; I haven't tried using pactl, but since this
works, I'm stopping here. :) So this script should work (adjust
paramaters to amixer as needed):
----
$ cat /etc/pm/sleep.d/00_mute-alsa
#!/bin/sh
case "$1" in
suspend|hibernate)
amixer -c 1 set Master mute
esac
** Changed in: pm-utils (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/364973
Title:
Mute sound on resume
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