Having removed btusb, can confirm this problem also occurs when I plug in a USB mouse. When I remove the mouse powertop stops giving me the warning..
Top causes for wakeups: 38.8% ( 48.8) <kernel IPI> : Rescheduling interrupts 17.5% ( 22.1) <interrupt> : iwl3945 10.3% ( 12.9) <interrupt> : uhci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4, 10.3% ( 12.9) /sys/bus/usb/devices/3-1 6.3% ( 7.9) <kernel IPI> : function call interrupts 4.8% ( 6.1) <interrupt> : PS/2 keyboard/mouse/touchpad A USB device is active 100.0% of the time: /sys/bus/usb/devices/3-1 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub -- Powertop reports a USB device is active 100% of the time. https://bugs.launchpad.net/bugs/276791 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
