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[Anthony Wong <anthony.wong@xxxxxxxxxx>]

** Changed in: hwe-next
   Importance: Undecided => Low

** Changed in: hwe-next
       Status: New => In Progress

** Changed in: hwe-next
     Assignee: (unassigned) => Adam Lee (adam8157)

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https://bugs.launchpad.net/bugs/1308871

Title:
  dmesg prints xhci error messages after resuming from s3

Status in HWE Next Project:
  In Progress
Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Trusty:
  In Progress

Bug description:
  kernel: 3.13.0-24-generic

  xhci controller:
  00:14.0 USB controller [0c03]: Intel Corporation Lynx Point-LP USB xHCI HC [8086:9c31] (rev 04) (prog-if 30 [XHCI])
          Subsystem: Lenovo Device [17aa:501c]
          Flags: bus master, medium devsel, latency 0, IRQ 56
          Memory at f1700000 (64-bit, non-prefetchable) [size=64K]
          Capabilities: [70] Power Management version 2
          Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
          Kernel driver in use: xhci_hcd

  
  [ 1410.931247] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021e3ad6c0
  [ 1410.931248] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021e3ad700
  [ 1410.931249] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021e3ad740
  [ 1410.931250] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021ded1980
  [ 1410.931251] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021ded19c0

  error messages popped up after resuming from s3, annoying.

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