acpi=off did not make any change. Attached new dmesg output. I'll try hardy heron alpha2 when it's released.
** Attachment added: "dmesg with acpi=off" http://launchpadlibrarian.net/11016545/dmesg_acpioff.log -- no sound with atiixp, codec timeout - driver not loaded https://bugs.launchpad.net/bugs/176110 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