I have a Lenovo 3000 V200 laptop, and I used: echo disabled > /sys/bus/usb/devices/usb2/power/wakeup -- XHCI (USB 3.0) kernel Module Prevents Suspend https://bugs.launchpad.net/bugs/522998 You received this bug notification because you are a member of Kernel Bugs, which is subscribed to linux in ubuntu.