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Created attachment 601983 [details]
gnome-settings-daemon strace

Description of problem:
gnome-settings-daemon uses 100 % of CPU

Version-Release number of selected component (if applicable):
gnome-settings-daemon-3.4.1-4.el7.x86_64

How reproducible:
randomly

Steps to Reproduce:
0. Multihead setup?
1. Use Gnome Shell
2. Lock screen (repeatedly)
  
Actual results:
Lock becomes transparent, you can see desktop and windows on first display (but can't use them), also you can show unlock dialog on second display.
Numlock is flashing rapidly (10-20 Hz).
gnome-settings-daemon use 100 % CPU

Additional info:
probably same as: #811902
https://bugzilla.gnome.org/show_bug.cgi?id=679151

see attached strace and gdb logs.

Created attachment 601984 [details]
gnome-settings-daemon gdb

link to #811902 bug: https://bugzilla.redhat.com/show_bug.cgi?id=811902

The Fedora and the RHEL bugs are both missing debugging information to allow to reproduce this.

Please see the details requested at:
https://bugzilla.gnome.org/show_bug.cgi?id=679151#c20
and post them here after reproducing the problem with a GNOME 3.6 based setup.

Bug was fixed upstream, and now in F18 through gnome-settings-daemon-3.6.3-1.fc18

Seems fixed now.

This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.