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[jorge <1316897@xxxxxxxxxxxxxxxxxx>]

Short answer: it doesn't work under 12.04 either.

More deails:

Tested 12.04.0 from a thumbdrive. When the drive is in the usb3 port
Ubuntu boots, but the other port doesn't work just like under 14.04.

When I attempt to boot from the usb2 port it starts and displays the
"run without installing / install / check disk" menu (don't remember the
wording). Then when I select "run" it hangs for a while with the "Ubuntu
and the dots" screen with the laptop's HDD led lighting up periodically
(not the thumb's led, which at this point goes off for good). After a
wile, if fails with a "(initramfs) Unable to find a medium containing a
live file system".

By chance had a thumbdrive with 12.04.3 (i386), got the same results.

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https://bugs.launchpad.net/bugs/1316897

Title:
  [Sony VAIO SVT13136CXS] usb2 port does not work.

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My laptop has two usb ports, one 2.0 and the other 3.0. The usb 2.0
  port does nothing. It seems to have power (a mp3 player took charge,
  but a cellphone did not) but shows no activity otherwise. Whatever I
  plug in it nothing happens. Nothing in dmesg, nor anything changes in
  lsusb. I've tried wireless mouse, pendrive, hdd, couple cellphones.

  WORKAROUND: Use USB 3.0 port.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.47
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  xopxe      1503 F.... pulseaudio
                        xopxe     25455 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed May  7 00:45:14 2014
  HibernationDevice: RESUME=UUID=f93318de-f146-4e7e-bfc0-a4c0d3d727dd
  InstallationDate: Installed on 2013-06-16 (324 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Sony Corporation SVT13136CXS
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=ec2a5915-f3a3-4255-ae05-b0f50f2116d4 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-19 (17 days ago)
  dmi.bios.date: 11/14/2012
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: R1100D4
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnInsydeCorp.:bvrR1100D4:bd11/14/2012:svnSonyCorporation:pnSVT13136CXS:pvrC904Z780:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: SVT13136CXS
  dmi.product.version: C904Z780
  dmi.sys.vendor: Sony Corporation

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