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[Thanasis Naskos <1299104@xxxxxxxxxxxxxxxxxx>]

Christopher M. Penalver the only noticeable impact is a delay in the
boot process. As you can see in the dmesg file there is a delay of about
3 secs. It's not a great delay, but if you consider that I have an ssd
it is noticeable.

[    0.553488] pci 0000:00:02.0: Boot video device
[    2.155741] pci 0000:00:1a.0: EHCI: BIOS handoff failed (BIOS bug?) 01010001
[    3.757032] pci 0000:00:1d.0: EHCI: BIOS handoff failed (BIOS bug?) 01010001

I also thought that it was affecting my USB devices (wireless mouse) as
you can see in this bug report
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1299400

However, when I have updated to the 3.14 kernel, despite the fact that
the "bios handoff failed"  error continued to appear in dmesg, my USB
devices were working properly.

I will try the latest rc kernel and report back to you asap!
Thank you for your interest!

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https://bugs.launchpad.net/bugs/1299104

Title:
  [Lenovo G510 Notebook] EHCI: BIOS handoff failed (BIOS bug?) 01010001

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I'm getting this error message in the dmesg file on Ubuntu boot. I was
  expecting a clean boot without this issue but instead I got this
  issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-19-generic 3.13.0-19.40
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  thanasis   1520 F.... pulseaudio
   /dev/snd/controlC1:  thanasis   1520 F.... pulseaudio
  Date: Fri Mar 28 18:41:24 2014
  HibernationDevice: RESUME=UUID=18e9615a-78c7-4ff4-bd4d-d637eb3dcaec
  InstallationDate: Installed on 2014-03-16 (11 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140313)
  MachineType: LENOVO 20238
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-19-generic.efi.signed root=UUID=1fff532e-1f5c-440a-b22a-7e61a06a246d ro rootflags=subvol=@ quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-19-generic N/A
   linux-backports-modules-3.13.0-19-generic  N/A
   linux-firmware                             1.126
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/23/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 79CN46WW(V3.05)
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058Std
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo G510
  dmi.modalias: dmi:bvnLENOVO:bvr79CN46WW(V3.05):bd12/23/2013:svnLENOVO:pn20238:pvrLenovoG510:rvnLENOVO:rnINVALID:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoG510:
  dmi.product.name: 20238
  dmi.product.version: Lenovo G510
  dmi.sys.vendor: LENOVO

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