It sounds like a new bug has been introduced; this bug was tracking the lack of PM support in the xhci stack.
If you're experiencing a problem that is resolved by adding xhci_hcd to SUSPEND_MODULES, please file a new bug, and post the bug number here so folks can find it. Thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/522998 Title: XHCI (USB 3.0) kernel Module Prevents Suspend To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/522998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs