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[Bug 1580732] Re: wireless keyboard - repeating characters unattended


I am now advising others not to move to 16.04 until some sort of
information can be gleaned as to what is going on here.  To those who
get the problem, it can be really quite a dangerous fault. I would rate
it as a major issue.

To be clear, sometimes it happens ever hour or two, then not for a few
days, then starts again (I reboot as a matter of course at least once a

I am currently trying to decide whether to go back to 14.04 (quite a lot
of work) or trial a new kernel, even though not officially approved for
16.04 as a LTS system (please correct me if I'm wrong on this)

If I could turn on some log somewhere to help diagnose this I would, but
I've no idea what that would be.

Can anyone please help?

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  wireless keyboard - repeating characters unattended

Status in linux package in Ubuntu:

Bug description:
  When doing nothing at all, the screen (eg an editor, mail message,
  terminal etc) will start displaying '5' rapidly across the screen.

  I am a recent ubuntu 16.04 user - a fresh install "Linux TimPassingham
  4.4.0-22-generic #39-Ubuntu SMP Thu May 5 16:53:32 UTC 2016 x86_64
  x86_64 x86_64 GNU/Linux"

  I was previously on 14.04 and had no such issues.

  My keyboard is a Logitech wireless MK700/710.  There is nothing wrong
  with it in normal running, nor when using windows (dual-booted).

  I am not alone, and it is the same key (5) for others seeing this
  issue.  See https://askubuntu.com/questions/761522/ubuntu-16-04

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-22-generic 4.4.0-22.39
  ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC0:  crusty     1927 F.... pulseaudio
   /dev/snd/controlC1:  crusty     1927 F.... pulseaudio
   /dev/snd/pcmC2D0c:   crusty     1927 F...m pulseaudio
   /dev/snd/controlC2:  crusty     1927 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed May 11 19:41:39 2016
  HibernationDevice: RESUME=UUID=79194a4a-c084-466c-8b41-b5988820be2e
  InstallationDate: Installed on 2016-05-08 (3 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  MachineType: ZOTAC ZBOX-ID92/ZBOX-IQ01
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic.efi.signed root=UUID=fcd7b99b-d3fb-4a80-b928-e0378d881a8a ro quiet splash vt.handoff=7
   linux-restricted-modules-4.4.0-22-generic N/A
   linux-backports-modules-4.4.0-22-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: B220P007
  dmi.board.asset.tag: NA
  dmi.board.name: ZBOX-ID92/ZBOX-IQ01
  dmi.board.vendor: ZOTAC
  dmi.board.version: XX
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrB220P007:bd05/21/2014:svnZOTAC:pnZBOX-ID92/ZBOX-IQ01:pvrXX:rvnZOTAC:rnZBOX-ID92/ZBOX-IQ01:rvrXX:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: ZBOX-ID92/ZBOX-IQ01
  dmi.product.version: XX
  dmi.sys.vendor: ZOTAC

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