Public bug reported:
launched startx,
launched an xterm via twm,
launched another xterm via the first,
launched tmux,
launched firefox-esr, bluetooth-manager, and pavucontrol,
maximized the xterm running tmux
xorg stopped responding, ctl-alt-Fn don't respond either
logged in via ssh, attached to tmux, launched htop, copied htop output, in
which you can see xorg consuming lots of cpu.
noticed twm no longer running
launched ubuntu-bug xserver-xorg
answered its question re display manager log files
i left it printing endless periods for over an hour
killed xorg
launched startx again
started a second ubuntu-bug xserver-xorg
answered its questions re display manager log files and additional debugging
work
noticed the first ubuntu-bug xserver-xorg is no longer printing periods
answered its questions re additional debugging work and Send problem report
attached copy of htop output
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 [160G
[154G[ OK ]
* Restoring resolver state... [160G
[154G[ 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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages ubuntu
** Attachment added: "see OP"
https://bugs.launchpad.net/bugs/1757299/+attachment/5085469/+files/htop
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1757299
Title:
xorg hangs
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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1757299/+subscriptions
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