same problem on the np740u3e samsung laptop running ubuntu 13.04 with kernel 3.8.0-22:
[ 1101.377197] xhci_queue_intr_tx: 72 callbacks suppressed [ 1106.495569] xhci_queue_intr_tx: 72 callbacks suppressed [ 1111.613943] xhci_queue_intr_tx: 72 callbacks suppressed [ 1116.732319] xhci_queue_intr_tx: 72 callbacks suppressed [ 1121.850636] xhci_queue_intr_tx: 73 callbacks suppressed [ 1126.969066] xhci_queue_intr_tx: 72 callbacks suppressed [ 1132.087396] xhci_queue_intr_tx: 72 callbacks suppressed [ 1137.205819] xhci_queue_intr_tx: 72 callbacks suppressed $ uname -a Linux taran 3.8.0-22-generic #33-Ubuntu SMP Thu May 16 15:17:14 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1058030 Title: Log full of xhci_hcd WARN To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1058030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs