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[Kaarel <1486581@xxxxxxxxxxxxxxxxxx>]

Thank you very much for your response!

I would try updating my BIOS, but unfortunately it seems that under the
BIOS Update (Bootable ISO) is only a .exe file. Do I need to contact
Lenovo in order to get the .iso or is there some other way?

Thank you

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https://bugs.launchpad.net/bugs/1486581

Title:
  Removed USB3 device from USB3 port causes S3 Resume to Fail

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am using Ubuntu 15.04 with Mainline Kernel 4.2 RC7 on a Lenovo B5400
  laptop.

  When I plug an USB3 flash drive into either of the USB3 ports, then
  remove the flash drive and try to suspend (using the GUI), the
  computer will resume automatically from suspend in a second.

  The problem is not present when using a USB2 device in USB3 ports or when using a USB3 device in the USB2 port.
  If I do not remove the flash drive from the USB3 port suspend will work as expected.

  I've googled for this bug and found some guides in fixing a similar
  problem, but none of them worked.

  I'm not _sure_ what package is the cause of this problem, so acpid
  might be the wrong choice.

  Below is attached /proc/acpi/wakeup as suggested by the
  DebuggingKernelSuspend, please tell me if more information or logs are
  needed.

  NB! Please read #3 for more information!!!
  --- 
  ApportVersion: 2.17.2-0ubuntu1.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   kaarel     1284 F...m pulseaudio
   /dev/snd/controlC1:  kaarel     1284 F.... pulseaudio
   /dev/snd/controlC0:  kaarel     1284 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2015-04-06 (136 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
  MachineType: LENOVO 80B6QB0
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-26-generic root=UUID=13bb1cd3-a667-4b84-b5ca-9ccd55e2dfdd ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-26-generic N/A
   linux-backports-modules-3.19.0-26-generic  N/A
   linux-firmware                             1.143.3
  Tags:  vivid
  Uname: Linux 3.19.0-26-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip disk lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 03/03/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J7ET61WW (2.06 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 80B6QB0
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrJ7ET61WW(2.06):bd03/03/2014:svnLENOVO:pn80B6QB0:pvrB5400:rvnLENOVO:rn80B6QB0:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 80B6QB0
  dmi.product.version: B5400
  dmi.sys.vendor: LENOVO

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