Please attach (do not inline) the output of these commands: lspci -vv > lspci.txt sudo dmidecode > dmidecode.txt dmesg > dmesg.txt
Can you confirm that 'acpi=off' did not correct the problem? ** Changed in: linux-source-2.6.20 (Ubuntu) Assignee: (unassigned) => Tim Gardner Status: Unconfirmed => Needs Info -- acpi bug affects alsasound in Lenovo 3000 https://launchpad.net/bugs/96004 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs