I had this problem several times, after my laptop ran for a while (not sure if it only happened after hibernating the system). So far the only solution was to reboot. I was reading many help pages, wiki and forum entries, tried tons of things, and finally found this solving my issue, in terminal type:
sudo alsa force-reload Maybe it also helps the OP? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/726934 Title: [IDT 92HD71B7X] ALSA test tone not correctly played back, sound disappears at variable times To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/726934/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
