What does 'top' say is the process that is using 100% CPU? It's probably
the greeter or a child process, not lightdm.
** Changed in: lightdm (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1509780
Title:
High cpu usage when lightdm screenlock is active
Status in lightdm package in Ubuntu:
Incomplete
Bug description:
When my system ist going to screenlock the cpu usage goes to 100
percent and the fanspeed goes up. When i switch with STRG+ALT+F1 to a
terminal before the screenlock ist active, the system works fine.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu3
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun Oct 25 11:08:38 2015
EcryptfsInUse: Yes
LightdmGreeterLog:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/30_xubuntu.conf
upstart: indicator-application-main-Prozess (1164) wurde mit dem Status 1
beendet
LightdmGreeterLogOld:
** Message: Starting lightdm-gtk-greeter 2.0.1 (Aug 7 2015, 01:24:18)
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/01_ubuntu.conf
** Message: [Configuration] Reading file:
/etc/lightdm/lightdm-gtk-greeter.conf.d/30_xubuntu.conf
upstart: indicator-application-main-Prozess (1074) wurde von TERM-Signal
beendet
upstart: indicator-messages-main-Prozess (1072) wurde von TERM-Signal beendet
SourcePackage: lightdm
UpgradeStatus: Upgraded to wily on 2015-10-10 (15 days ago)
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