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[Bug 1429446] Re: Touchpad incorrectly recognized as PS/2 mouse in 'Lenovo ThinkPad 20DF004SMC'

 

Martin Janiczek, the next step is to fully reverse commit bisect from
kernel 3.16 to 3.19.1 in order to identify the last bad commit, followed
immediately by the first good one. Once this commit has been identified,
then it may be reviewed as a candidate for backporting into your
release. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?

Please note, finding adjacent kernel versions is not fully commit
bisecting.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Tags added: needs-reverse-bisect

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

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https://bugs.launchpad.net/bugs/1429446

Title:
  Touchpad incorrectly recognized as PS/2 mouse in 'Lenovo ThinkPad
  20DF004SMC'

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Touchpad seen as a PS/2 mouse
  - no gestures etc. work
  - synclient says "Couldn't find synaptics properties. No synaptics driver loaded?"
  - in "Mouse and Touchpad" settings the only device is "PS/2 Generic Mouse"
  - in "Pointing devices" also.

  System info:
  - Manufacturer: LENOVO
  - Product Name: 20DF004SMC
  - Version: ThinkPad E550
  - SKU Number: LENOVO_MT_20DF_BU_Think_FM_ThinkPad E550
  - Family: ThinkPad E550

  - System release: Xubuntu 14.10
  - Linux version: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
  - xserver-xorg-input-synaptics: 1.8.1-1ubuntu1

  Various logs and diagnostics in attachment.
  Please let me know if I can help with anything.
  --- 
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  martin     2231 F.... pulseaudio
   /dev/snd/controlC1:  martin     2231 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.10
  HibernationDevice: RESUME=UUID=8cc5836e-0d84-4d5c-9c7b-b25cecb6dd1e
  InstallationDate: Installed on 2015-03-05 (2 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: LENOVO 20DF004SMC
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic.efi.signed root=UUID=3fcadb61-bad7-4dfa-bf5f-ba6ef49cc31a ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-31-generic N/A
   linux-backports-modules-3.16.0-31-generic  N/A
   linux-firmware                             1.138.1
  Tags:  utopic
  Uname: Linux 3.16.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare scanner sudo tape video
  _MarkForUpload: True
  dmi.bios.date: 01/22/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J5ET42WW (1.13 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20DF004SMC
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrJ5ET42WW(1.13):bd01/22/2015:svnLENOVO:pn20DF004SMC:pvrThinkPadE550:rvnLENOVO:rn20DF004SMC:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20DF004SMC
  dmi.product.version: ThinkPad E550
  dmi.sys.vendor: LENOVO

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References