Public bug reported:
Xorg hangs, with high usage of CPU, typically around 95%. This happens
at unpredictable intervals, sometimes 3 times in a day, sometimes not
again for 3 weeks. Usually while watching videos, which happened this
morning, causing me to submit this report. 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, start htop, and observe that
xorg was consuming around 95% CPU. if you'd like to know what happened
upon killing processes other than xorg, see my recent comments in Bug
#1757299. This morning i didn't bother to yet again repeat the killing
of other processes, but went straight to sending 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 [160G
[154G[ OK ]
* Restoring resolver state... [160G
[154G[ OK ]
Date: Wed May 9 13:23:52 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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic ubuntu
** Attachment added: "found in /var/crash after sending xorg signal 3"
https://bugs.launchpad.net/bugs/1770250/+attachment/5136873/+files/_usr_lib_xorg_Xorg.444.crash
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https://bugs.launchpad.net/bugs/1770250
Title:
xorg hangs, while watching video, or other times
Status in xorg package in Ubuntu:
New
Bug description:
Xorg hangs, with high usage of CPU, typically around 95%. This
happens at unpredictable intervals, sometimes 3 times in a day,
sometimes not again for 3 weeks. Usually while watching videos, which
happened this morning, causing me to submit this report. 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, start htop, and observe that xorg was consuming around 95%
CPU. if you'd like to know what happened upon killing processes other
than xorg, see my recent comments in Bug #1757299. This morning i
didn't bother to yet again repeat the killing of other processes, but
went straight to sending 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 [160G
[154G[ OK ]
* Restoring resolver state... [160G
[154G[ OK ]
Date: Wed May 9 13:23:52 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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