This bug was fixed in the package lightdm-gtk-greeter - 2.0.4-1ubuntu1
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lightdm-gtk-greeter (2.0.4-1ubuntu1) bionic; urgency=medium
* New upstream release.
- Fix: black screen after booting, 100% CPU usage (LP: #1410406, #1509780)
* Merge with Debian unstable. Remaining cha
** Changed in: lightdm-gtk-greeter
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1509780
Title:
High cpu usage when lightdm screenlock is active
To mana
** Changed in: lightdm-gtk-greeter
Milestone: None => 2.0.4
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Title:
High cpu usage when lightdm screenlock is active
To manage notifications
Pretty sure I've identified and resolved the root cause for this issue.
Fix committed below.
https://bazaar.launchpad.net/~lightdm-gtk-greeter-team/lightdm-gtk-
greeter/trunk/revision/382
** Also affects: lightdm-gtk-greeter
Importance: Undecided
Status: New
** Changed in: lightdm-gtk-
Also it seems quite related to bug 1410406, although in this case
greeter does show up eventually.
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Title:
High cpu usage when lightdm screenlock
Same issue, seems to only happen when external monitors are connected to
the laptop (Thinkpad T460p with docking station). Xorg also experiences
higher than normal CPU usage during those periods. Greeter itself seems
to work at least partially (sluggish, text missing from error messages).
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You
** Changed in: lightdm-gtk-greeter (Ubuntu)
Importance: Undecided => High
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Title:
High cpu usage when lightdm screenlock is active
To manage
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: lightdm-gtk-greeter (Ubuntu)
Status: New => Confirmed
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** Package changed: lightdm (Ubuntu) => lightdm-gtk-greeter (Ubuntu)
** Changed in: lightdm-gtk-greeter (Ubuntu)
Status: Incomplete => New
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When the screenlocks by light-locker, the lightdm-gtk-greeter uses
100% CPU. This happens only, when i use my fujitsu ultrabook on
portreplikator with a second monitor.
Regards
Norbert
2015-10-28 3:46 GMT+01:00 Robert Ancell :
> What does 'top' say is the process that is using 100% CPU? It's prob
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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