desktop-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Shevek, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p xorg 1435070

Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.


** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1435070

Title:
  Thinkpad T550: Broadwell with Intel HD5500 powers off randomly

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  In the first two weeks of owning a Broadwell T550, I have suffered
  about two dozen abrupt power-offs. This has happened:

  a) While resuming from suspend.
  b) While in normal operation and just moving the mouse.
  c) While switching from X to console by pressing ctrl-alt-F1.

  There was no kernel panic, no log files, just an abrupt power-off.

  In conjunction with several other HD5500 issues, I am starting to
  suspect the intel video driver, and have switched to the modesetting
  driver. Setting the Intel driver to use AccelMethod: none made the
  system more reliable but did not eliminate crashes.

  Workaround: Put the following in /etc/X11/xorg.conf:

  Section "Device"
          Identifier "intel"
          Driver "modesetting"
  EndSection

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu4
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Mar 22 13:23:01 2015
  InstallationDate: Installed on 2015-03-05 (17 days ago)
  InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to vivid on 2015-03-19 (3 days ago)

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