alias snd-card-0 snd-hda-intel options snd-hda-intel model=auto these two lines really worked in acer 4930 thanks to the gbhuvanesh.i really appreciate ur good job.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/647970 Title: [Realtek ALC888 - Acer 4930G] ALSA test tone not correctly played back -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs