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[Amos Blanton <amos@xxxxxxxxxxxxxxx>]

Same issue with latest bios, 1.67 on S230u twist.

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https://bugs.launchpad.net/bugs/1261994

Title:
  [Lenovo ThinkPad Twist] touchpad and mouse not working when boot
  without powersupply ubuntu 13.1

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I have found that the touchscreen, trackpad and trackball (internal
  mouse) does not work if i boot without power supply. I have ubuntu
  13.1 on a lenovo s230u Twist.

  WORKAROUND: If I boot while connected to the energy supply everything
  works, else it does not.

  ---
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dumpa      1860 F.... pulseaudio
   /dev/snd/pcmC0D0p:   dumpa      1860 F...m pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=0a71fcae-f66f-41d6-8fbf-5fcbd8a7318a
  InstallationDate: Installed on 2013-12-11 (7 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 33476UU
  MarkForUpload: True
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-14-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-14-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  WifiSyslog:

  dmi.bios.date: 05/14/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GDET95WW (1.55 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 33476UU
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 Pro DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGDET95WW(1.55):bd05/14/2013:svnLENOVO:pn33476UU:pvrThinkPadTwist:rvnLENOVO:rn33476UU:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 33476UU
  dmi.product.version: ThinkPad Twist
  dmi.sys.vendor: LENOVO

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