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[Teo <1250488@xxxxxxxxxxxxxxxxxx>]

At the link you mention I only see downloads for Windows available.

The procedure for updating the bios seems too dangerous as long as
Ubuntu does not provide a seamless tool for doing it. I definitely won't
do that.

I'll reopen this bug report. Feel free to close if you can ensure it is
truly an issue in the bios AND that nothing can be done at the OS level
to circumvent it (which seems pretty unlikely).

** Changed in: linux (Ubuntu)
       Status: Expired => Confirmed

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https://bugs.launchpad.net/bugs/1250488

Title:
  [Acer Aspire V3-571G] USB hub stopped working on a given USB port
  (would work on any other port). Reboot fixed the issue

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I have two USB ports that I usually use interchangeably: to port A I
  connect the mouse, to port B I connect a USB hub (to which I connect a
  keyboard, printer and other devices).

  Suddenly (probably after resuming from a suspend), the USB hub stopped working when connected to port A.
  It would work fine, however, if connected to port B. When I say the hub stopped working I mean that any device (even a keyboard) wouldn't work if connected through the hub.
  I exchanged ports dozens of times and 100% checked that:
  - mouse and keyboard would systematically work fine if connected directly to any of the ports A or B
  - the USB hub would systematically work fine only if connected to port B
  - the USB hub would systematically fail (i.e. no device connected through it would ever work) if connected to port A

   Now I've rebooted, and everything works as expected again: the USB
  hub always works fine whether I connect it to port A or B.

  I thought this was something physical until I rebooted and found out
  that everything works again.

  This is absolutely ridiculous.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-33-generic 3.8.0-33.48
  ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
  Uname: Linux 3.8.0-33-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  teo        2229 F.... pulseaudio
  Date: Tue Nov 12 15:13:49 2013
  HibernationDevice: RESUME=UUID=ff7e702a-a05a-47fd-8c14-551e81f9e9e3
  InstallationDate: Installed on 2013-10-11 (31 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Acer Aspire V3-571G
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-33-generic root=UUID=5830b30e-69e8-4bb4-8a2b-bc2b43c7414a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-33-generic N/A
   linux-backports-modules-3.8.0-33-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/15/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V2.07
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: VA50_HC_CR
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V2.07
  dmi.modalias: dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireV3-571G:pvrV2.07:rvnAcer:rnVA50_HC_CR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
  dmi.product.name: Aspire V3-571G
  dmi.product.version: V2.07
  dmi.sys.vendor: Acer

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