I upgraded my system to Ubuntu precise and with the 3.2 kernel this problem is gone.
** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/647973 Title: USB 3.0: xhci_hcd WARN: Stalled endpoint To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/647973/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs