Hi, Just a long shot, but can you reboot with the kernel boot option acpi=noirq
if it improves things then it may be that some ACPI DSTD weirdness is causing this problem. Colin ** Changed in: linux (Ubuntu) Status: Triaged => In Progress -- Powertop reports huge number of wakeups and drains battery https://bugs.launchpad.net/bugs/145377 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs