I activated CONFIG_USB_XHCI_HCD_DEBUGGING and get following kernel messages:
[ 45.051446] xhci_hcd 0000:07:00.0: xHCI host not responding to stop endpoint command. [ 45.051450] xhci_hcd 0000:07:00.0: Assuming host is dying, halting host. [ 45.089635] xhci_hcd 0000:07:00.0: Non-responsive xHCI host is not halting. [ 45.089636] xhci_hcd 0000:07:00.0: Completing active URBs anyway. [ 45.089656] xhci_hcd 0000:07:00.0: HC died; cleaning up [ 57.950270] xhci_hcd 0000:07:00.0: Timeout while waiting for a slot [ 108.170035] xhci_hcd 0000:07:00.0: Timeout while waiting for a slot Device is the same as for the original submitter: 07:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03) (prog-if 30 [XHCI]) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775543 Title: xhci_hcd: Timeout while waiting for a slot - Issue with USB3 hard disk on 11.04 x86_64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/775543/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
