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[Brian Murray <brian@xxxxxxxxxx>]

** Package changed: ubuntu-release-upgrader (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1320941

Title:
  xhci_hcd not loaded

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Today I just tried to copy 4 GB data onto a usb 3.0 stick. However it
  took like forevery and my system load spiked to 6.0. I inquired a bit
  and noticed, that xhci_hcd wasn't loaded at all:

  root@subi:~# lsmod | grep xhci
  root@subi:~# modprobe xhci_hcd
  root@subi:~# lsmod | grep xhci

  The weird thing is, that in dmesg xhci seems to be loaded:

  root@subi:~# dmesg | grep xhci
  [    4.534477] xhci_hcd 0000:00:14.0: xHCI Host Controller
  [    4.534484] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
  [    4.534571] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
  [    4.534594] xhci_hcd 0000:00:14.0: irq 60 for MSI/MSI-X
  [    4.534671] usb usb2: Manufacturer: Linux 3.15.0-031500rc2-generic xhci_hcd
  [    4.535678] xhci_hcd 0000:00:14.0: xHCI Host Controller
  [    4.535684] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 3
  [    4.535737] usb usb3: Manufacturer: Linux 3.15.0-031500rc2-generic xhci_hcd
  [    5.149389] usb 2-2: new high-speed USB device number 2 using xhci_hcd
  [    5.629433] usb 3-3: new SuperSpeed USB device number 2 using xhci_hcd
  [    5.717072] usb 2-2.1: new high-speed USB device number 4 using xhci_hcd
  [    5.877002] usb 2-2.2: new high-speed USB device number 5 using xhci_hcd
  [    6.252828] usb 2-2.2.4: new high-speed USB device number 6 using xhci_hcd
  [    6.644502] usb 2-2.2.4.2: new high-speed USB device number 7 using xhci_hcd
  [   14.160712] usb 2-2.2.4.2.3: new full-speed USB device number 8 using xhci_hcd
  [   14.408571] usb 2-2.2.4.2.4: new full-speed USB device number 9 using xhci_hcd

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.2
  Uname: Linux 3.15.0-031500rc2-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Mon May 19 18:28:07 2014
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)

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