I came to the same conclusions of ALexander...(on a ASUS P5L-VM motherboard) - disabling USB in the bios is a workaround - this bug is still there on Lucid -- ATK0110 ACPI not working https://bugs.launchpad.net/bugs/75507 You received this bug notification because you are a member of Kernel Bugs, which is subscribed to linux in ubuntu.