One symptom in my case is that the column for the headphone in alsamixer shows up in grey (and cannot be unmuted).
-- [Acer aspire 7736] Playback not working due to incorrect SKU override https://bugs.launchpad.net/bugs/617647 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
