this is a bug in powertop logic. ubuntu kernel has usb autosuspend enabled by default, so you do not need any workarounds given here.
** Changed in: powertop (Ubuntu) Status: New => Incomplete -- Powertop suggest to add usbcore.autosuspend=1 to grub's kernel line, doesn't work https://bugs.launchpad.net/bugs/136549 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