if there's a way for me to include debugging symbols or anything else
helpful just say what and how.

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https://bugs.launchpad.net/bugs/1770687

Title:
  Xorg hung again while watching a video

Status in xorg package in Ubuntu:
  New

Bug description:
  This bug report is highly similar to Bug #1770250, except that this
  time i made sure to launch ubuntu-bug xserver-xorg before relaunching
  xorg, just in case that provides packaging of better information.
  This morning xorg froze again while watching a video.  Watching a
  video seems to bring it on more than not, tho it does sometimes happen
  without watching a video.  And FWIW i think fairly heavy swapping
  activity is also often involved in eliciting this hang bug.  This
  morning, as in several earlier occurrences, the video image froze
  except that i was able to move the mouse cursor, however window
  borders did not change as they normally would when the mouse cursor
  travelled in and out of windows. Onscreen interactions such as trying
  to show the twm root menu or move or iconize windows, or keyboard keys
  such as ^L to the browser or even ctl-alt-F2 or ctl-alt-F3 all failed
  to produce their usual response. i was able to login via ssh, attach
  to tmux, and via htop observe that xorg was consuming around 95% CPU.
  i then sent signal 3 to xorg, after which ctl-alt-F2 and ctl-alt-F3
  were again operational, and i found the attached report in /var/crash.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg 1:7.7+19ubuntu7
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  BootLog:
   Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
    * Starting AppArmor profiles        
[ OK ]
    * Restoring resolver state...        
[ OK ]
  CompositorRunning: None
  Date: Fri May 11 10:44:23 2018
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 82Q35 Express Integrated Graphics Controller [8086:29b2] 
(rev 02) (prog-if 00 [VGA controller])
     Subsystem: Dell OptiPlex 755 [1028:0211]
     Subsystem: Dell OptiPlex 755 [1028:0211]
  MachineType: Dell Inc. OptiPlex 755
  ProcEnviron:
   LC_TIME=en_DK.utf8
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/@bb/vmlinuz ro 
root=UUID=22e7c84a-a416-43e9-ae9d-ee0119fc3894 partroot=:b init=/etc/g/subroot 
subroot=@bb panic=30
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/30/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0PU052
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 15
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA10:bd04/30/2008:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0PU052:rvr:cvnDellInc.:ct15:cvr:
  dmi.product.name: OptiPlex 755
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
  xserver.bootTime: Sat Feb 24 05:53:57 2018
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Logitech Logitech USB Optical Mouse MOUSE, id 8
   input        AT Translated Set 2 keyboard KEYBOARD, id 9
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16421 
   vendor                                     DEL
  xserver.version: 2:1.19.6-1ubuntu1

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