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["Simon P." <1552891@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "UdevLog.txt"
   https://bugs.launchpad.net/bugs/1552891/+attachment/4587842/+files/UdevLog.txt

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Title:
  System freezes after closing lid on Thinkpad X260

Status in linux package in Ubuntu:
  Invalid

Bug description:
  My current Ubuntu version is 14.04.4 but I also tried 15.10.
  Regardless of the Ubuntu version there is a serious problem with my
  new Thinkpad X260 when it is in battery mode and I close and reopen
  the lid. The problem is not affecting the suspend mode as it still
  occurs when this mode is disabled.

  what I expect to happen: After closing the lid the screen goes off.
  When I open the lid again, screen goes on and I can use the laptop.

  what happens every time: When I close the lid the screen turns black.
  When I open the lid again the screen displays the system but it is
  frozen and does not react on input.

  Interestingly I can not reproduce this problem when the laptop is connected to an AC power source.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  simon      2204 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=44d7af3c-0572-4912-8436-565f951501be
  InstallationDate: Installed on 2016-01-23 (39 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 1bcf:2c57 Sunplus Innovation Technology Inc. 
   Bus 001 Device 004: ID 0489:e046 Foxconn / Hon Hai 
   Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Acer TMB115
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=de_AT:de
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_AT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-51-generic.efi.signed root=UUID=1a56072a-6521-4b99-8bac-899360266906 ro noprompt quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-51.58~14.04.1-generic 3.19.8-ckt13
  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-3.19.0-51-generic N/A
   linux-backports-modules-3.19.0-51-generic  N/A
   linux-firmware                             1.127.20
  Tags:  trusty
  Uname: Linux 3.19.0-51-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 06/18/2015
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.35
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Roxy
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.35:bd06/18/2015:svnAcer:pnTMB115:pvrV1.35:rvnAcer:rnRoxy:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: TMB115
  dmi.product.version: V1.35
  dmi.sys.vendor: Acer

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