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[Vihai <1498448@xxxxxxxxxxxxxxxxxx>]

Christopher, I'm sorry but I don't have enough spare time to search for
the commit :(

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https://bugs.launchpad.net/bugs/1498448

Title:
  GUI failure when reinserting HDMI cable with Intel driver

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  Removing the HDMI cable on my ASUS UN42 results in EDID failure which
  might be only cosmetic, however inserting the cable again causes the
  crash of the whole GUI segfaulting several KDE daemons.

  Manually restarting SDDM restores the GUI.

  [  253.213048] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is invalid, remainder is 131
  [  253.213054] Raw EDID:
  [  253.213057]          00 ff ff ff ff ff ff 00 00 ff ff ff ff ff ff ff
  [  253.213059]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213061]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213063]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213064]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213066]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213067]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  253.213069]          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
  [  254.121987] kactivitymanage[1974]: segfault at 18 ip 00007fa0e1ab5e90 sp 00007fff6e0fd838 error 4 in libqxcb.so[7fa0e1a87000+b5000]                                                                                                                                  
  [  256.098834] krunner[3198]: segfault at 18 ip 00007f9462a2dde8 sp 00007fffd77df1e0 error 4 in libqxcb.so[7f94629e4000+b5000]
  [  256.099437] plasmashell[3202]: segfault at 18 ip 00007f83832b7de8 sp 00007ffc196c3040 error 4 in libqxcb.so[7f838326e000+b5000]
  [  256.207770] kwin_x11[3206]: segfault at 18 ip 00007f008cef3de8 sp 00007ffe6e2b2fe0 error 4 in libqxcb.so[7f008ceaa000+b5000]
  [  256.978766] klauncher[3218]: segfault at 18 ip 00007f9e27d2dde8 sp 00007ffff381b7e0 error 4 in libqxcb.so[7f9e27ce4000+b5000]

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-generic 4.2.0.10.10
  ProcVersionSignature: Ubuntu 4.2.0-10.12-generic 4.2.0
  Uname: Linux 4.2.0-10-generic x86_64
  ApportVersion: 2.18.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  imprinter   2022 F.... pulseaudio
   /dev/snd/controlC1:  imprinter   2022 F.... pulseaudio
  Date: Tue Sep 22 14:02:09 2015
  HibernationDevice: RESUME=UUID=1367d85c-1b0b-440b-82ca-c772a6f0d0f9
  InstallationDate: Installed on 2015-09-14 (7 days ago)
  InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: ASUSTeK COMPUTER INC. UN42
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-10-generic.efi.signed root=UUID=3b965d33-cb79-47b5-afde-2d45e3ac7050 ro noprompt persistent quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-10-generic N/A
   linux-backports-modules-4.2.0-10-generic  N/A
   linux-firmware                            1.148
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2015-09-18 (3 days ago)
  dmi.bios.date: 10/13/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0221
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: UN42
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: To be filled by O.E.M.
  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.:bvr0221:bd10/13/2014:svnASUSTeKCOMPUTERINC.:pnUN42:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnUN42:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: UN42
  dmi.product.version: System Version
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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