[Bug 1272438] Re: kwin 100% of cpu, second session

[Paul Andreassen]

I've seen the lockup from kwin using 100% cpu on two different Kubuntu
14.04 machines, without needing to switch users.  These machines were
ungrades from previous versions, 12.04 and 13.10.

I think its fixed by resetting the kwin configure file by:

run "System Settings"
select "Configure desktop effects"
then clicking "Defaults" (at the bottom) and then "Apply" (at the bottom right).

If you can get to term with Alt-Ctrl-F1, you can use "DISPLAY=:0 kwin
--replace" to fix a broken kwin using 100% cpu.  This also works if you
can "ssh" in.

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https://bugs.launchpad.net/bugs/1272438

Title:
  kwin 100% of cpu, second session

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