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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1350480 ***
    https://bugs.launchpad.net/bugs/1350480

** This bug has been marked a duplicate of bug 1350480
   [REGRESSION] Kernel update renders Intel NUC (i5-3427) unbootable with USB devices plugged in

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https://bugs.launchpad.net/bugs/1330530

Title:
  [Dell Vostro 430] Regression: Kernel 3.2.0-64 problems with USB3
  controller

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  With a Dell Vostro 430, the HighPoint RocketU 1144C USB 3.0 controller, Areca ARC-5040 USB 3.0 RAID enclosure connected to it, and the following conditions are met:
  1. System booted kernel 3.2.0-64,
  2. HighPoint RocketU 1144C controller was installed,
  3. Areca ARC-5040 was connected to that controller.

  An error loop during boot contains the following messages:
  [   34.084469] usb 8-1: reset SuperSpeed USB device number 2 using xhci_hcd
  [   34.101825] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88042102e000
  [   34.101918] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88042102e040
  This continues for about 18 minutes, after which the filesystem on the Areca drive is mounted, and boot process continues successfully, as if nothing had happened. Afterwards the affected drive works seemingly fine, although I experienced some system instability, causing a total system freeze. At this point I am not sure if this instability is related to the problem at hand.

  I've attached a file generated by apport-cli -f -p linux --save
  filename.apport .

  The problem did not appear if I booted an older kernel (e.g.
  3.2.0-63), or if Areca enclosure was not attached, or if it was
  attached using another interface (USB2 or eSATA). The problem was also
  absent if I replaced the Areca enclosure with another USB3 device (a
  flash drive). The test machine's motherboard did not have a built-in
  USB3 controller, but I performed an additional test on yet another
  computer, equipped with a NEC USB3 controller. That test was done with
  kernel 3.2.0-64 and the Areca enclosure, and did not replicate the
  problem. Thus I assume that it is the combination of the RocketU
  controller and a specific USB3 device that triggers kernel regression.

  Similar effects happen if Areca enclosure is hot-plugged to the
  working system. In such a case OS boots fine (as the enclosure is
  absent during boot). After plugging the Areca, the drive is
  unavailable for 18 minutes, during which time numerous errors as above
  are logged. After 18 minutes elapse, drive is mounted and behaves
  normally.

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