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[Tareeq <spock.rock@xxxxxxxxx>]

I just upgraded from Raring to Saucy (actually a mint user), I also have
the VL80x USB3.0 chipset on my EVGA Z68 FTW motherboard.  In raring the
USB 3.0 was flakey, a usb3.0 device had to be connected at boot time,
for it work, USB 2.0 worked without any issues on that controller.
Since the upgrade I could not USB 2.0 or 3.0 to work on the Via
Contoller (USB 3.0 ports).  It was completly unresponsive.  I came
across this bug, and tried what Christopher suggested.

I installed 3.12-Saucy (http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.12-saucy/).  Since I have installed the 3.12 kernel, the
Via VL80x controller works perfectly.  It even fixed the annoying
softlock cpu0 error I was getting at boot time.

*warning* If you have an nvidia GPU, after installing the kernel, it
could not build the kernel module for the driver, I had to install the
xorg-edgers ppa; https://launchpad.net/~xorg-edgers/+archive/ppa and
install the nvidia 331 driver.

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https://bugs.launchpad.net/bugs/1050352

Title:
  [Gigabyte P55A-UD4] External USB 3.0 hard drive randomly disconnects
  and connects

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.10 AMD64, kernel 3.5.0-14.16.
  External hard drive Hitachi Touro Desk 3.0 connected to USB 3.0 port.

  Gets disconnected randomly and then connected again. Only happens with
  USB 3.0 connection (xhci).

  WORKAROUND: When plugged to USB 2.0 (ehci) port it works ok.

  Attached is related kernel log portion: there is nothing special there
  except for these lines:

  11-2: Parent hub missing LPM exit latency info.  Power management will be impacted.
  usb 11-2: USB disconnect, device number 2
  ---
  AcpiTables: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing /usr/share/apport/dump_acpi_tables.py: Permission denied
  ApportVersion: 2.5.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  dmitry     3011 F.... pulseaudio
   /dev/snd/controlC1:  dmitry     3011 F.... pulseaudio
   /dev/snd/controlC0:  dmitry     3011 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  DistroRelease: Ubuntu 12.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=e3fa02f8-4f15-4f00-9d79-e982d4837b5c
  IwConfig:
   vboxnet0  no wireless extensions.

   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. P55A-UD4
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=33c3405d-4b3c-4b5c-a1c3-fd2c7bad1c79 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-14-generic N/A
   linux-backports-modules-3.5.0-14-generic  N/A
   linux-firmware                            1.91
  RfKill:

  Tags:  quantal running-unity
  Uname: Linux 3.5.0-14-generic x86_64
  UpgradeStatus: Upgraded to quantal on 2012-09-07 (6 days ago)
  UserGroups: adm cdrom dialout fuse kvm libvirtd lpadmin plugdev pulse pulse-access sambashare sudo vboxusers wireshark
  dmi.bios.date: 08/10/2010
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F14
  dmi.board.name: P55A-UD4
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF14:bd08/10/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55A-UD4:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55A-UD4:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: P55A-UD4
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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