It appears that if the laptop is suspended only briefly (< 1 minute) sounds works fine after suspend-resume. The problem with no sound occurs more often if the laptop is suspended for longer times (~ 30 minutes). When that happens I get errors like these in /var/log/syslog
Nov 5 15:51:01 xxxxx pulseaudio[6088]: module-alsa-sink.c: Got POLLERR from ALSA The following restores sound again: killall pulseaudio /usr/bin/pulseaudio -D --log-target=syslog -- no sound after resume from suspend/hibernate https://bugs.launchpad.net/bugs/292129 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
