Had the same problem with Toshiba A100 . Adding "options snd-hda-intel model=auto" in /etc/modprobe.d/alsa-base helped solve it. Thank you all.
It is little disappointing to know that Ubuntu was shipped with a 1 month old bug. :( Sundararaj -- [Feisty] Very low volume on Toshiba satellite a100-155 https://bugs.launchpad.net/bugs/93859 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs