apport information

** Tags added: apport-collected

** Description changed:

  The problem is that after launching a few applications, the GUI may
  become unresponsive, although this is not consistently reproducible.
  When the GUI is unresponsive, it is correlated to high CPU utilization
  of xorg.
  
  An example reproduction scenario is launch the following in order, and 
quickly:
  startx
  xterm via twm
  another xterm via the first xterm
  tmux
  firefox-esr
  bluetooth-manager
  pavucontrol
  
  While the above are launching, maximize the xterm running tmux, and the
  GUI immediately becomes unresponsive. For example, Ctrl+Alt+Fn don't
  respond.
  
  After this, I logged in via ssh, attached to tmux, launched htop, copied
  htop output, which shows xorg at 94.6 CPU%.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg 1:7.7+19ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  BootLog:
   Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
    * Starting AppArmor profiles       
  [ OK ]
    * Restoring resolver state...       
  [ OK ]
  CompositorRunning: None
  Date: Tue Mar 20 17:15:16 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]
  JournalErrors:
   -- Logs begin at Fri 2018-02-23 08:59:47 CST, end at Tue 2018-03-20 17:14:39 
CDT. --
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] module-alsa-card.c: 
Failed to find a working profile.
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] module.c: Failed to 
load module "module-alsa-card" (argument: "device_id="0" 
name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" 
namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no 
deferred_volume=yes use_ucm=yes 
card_properties="module-udev-detect.discovered=1""): initialization failed.
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] backend-ofono.c: 
Failed to register as a handsfree audio agent with ofono: 
org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided 
by any .service files
   Mar 20 17:01:37 hostname pulseaudio[1109]: [pulseaudio] pid.c: Daemon 
already running.
  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=/vmlinuz ro 
root=UUID=22e7c84a-a416-43e9-ae9d-ee0119fc3894 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 2.4.90-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 17.3.3-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 17.3.3-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
  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
+ --- 
+ ApportVersion: 2.20.8-0ubuntu10
+ Architecture: amd64
+ BootLog:
+  Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
+   * Starting AppArmor profiles        
+ [ OK ]
+   * Restoring resolver state...        
+ [ OK ]
+ DistUpgraded: Fresh install
+ DistroCodename: bionic
+ DistroRelease: Ubuntu 18.04
+ 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
+ Package: xorg (not installed)
+ ProcEnviron:
+  LC_TIME=en_DK.utf8
+  TERM=screen
+  PATH=(custom, no user)
+  LANG=en_US.utf8
+  SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz ro 
root=UUID=22e7c84a-a416-43e9-ae9d-ee0119fc3894 panic=30
+ ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
+ Tags:  bionic ubuntu
+ Uname: Linux 4.15.0-12-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups:
+  
+ _MarkForUpload: True
+ 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 2:1.19.6-1ubuntu3
+ 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

** Attachment added: "CurrentDmesg.txt"
   
https://bugs.launchpad.net/bugs/1757299/+attachment/5102809/+files/CurrentDmesg.txt

-- 
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https://bugs.launchpad.net/bugs/1757299

Title:
  [Dell OptiPlex 755] Intermittently GUI hangs with high xorg CPU% after
  launching applications

Status in xorg package in Ubuntu:
  New

Bug description:
  The problem is that after launching a few applications, the GUI may
  become unresponsive, although this is not consistently reproducible.
  When the GUI is unresponsive, it is correlated to high CPU utilization
  of xorg.

  An example reproduction scenario is launch the following in order, and 
quickly:
  startx
  xterm via twm
  another xterm via the first xterm
  tmux
  firefox-esr
  bluetooth-manager
  pavucontrol

  While the above are launching, maximize the xterm running tmux, and
  the GUI immediately becomes unresponsive. For example, Ctrl+Alt+Fn
  don't respond.

  After this, I logged in via ssh, attached to tmux, launched htop,
  copied htop output, which shows xorg at 94.6 CPU%.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg 1:7.7+19ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  BootLog:
   Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
    * Starting AppArmor profiles       
  [ OK ]
    * Restoring resolver state...       
  [ OK ]
  CompositorRunning: None
  Date: Tue Mar 20 17:15:16 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]
  JournalErrors:
   -- Logs begin at Fri 2018-02-23 08:59:47 CST, end at Tue 2018-03-20 17:14:39 
CDT. --
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] module-alsa-card.c: 
Failed to find a working profile.
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] module.c: Failed to 
load module "module-alsa-card" (argument: "device_id="0" 
name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" 
namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no 
deferred_volume=yes use_ucm=yes 
card_properties="module-udev-detect.discovered=1""): initialization failed.
   Mar 20 17:01:37 hostname pulseaudio[1099]: [pulseaudio] backend-ofono.c: 
Failed to register as a handsfree audio agent with ofono: 
org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided 
by any .service files
   Mar 20 17:01:37 hostname pulseaudio[1109]: [pulseaudio] pid.c: Daemon 
already running.
  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=/vmlinuz ro 
root=UUID=22e7c84a-a416-43e9-ae9d-ee0119fc3894 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 2.4.90-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 17.3.3-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 17.3.3-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
  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
  --- 
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  BootLog:
   Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
    * Starting AppArmor profiles        
[ OK ]
    * Restoring resolver state...        
[ OK ]
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroRelease: Ubuntu 18.04
  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
  Package: xorg (not installed)
  ProcEnviron:
   LC_TIME=en_DK.utf8
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz ro 
root=UUID=22e7c84a-a416-43e9-ae9d-ee0119fc3894 panic=30
  ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
  Tags:  bionic ubuntu
  Uname: Linux 4.15.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  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 2:1.19.6-1ubuntu3
  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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