*** This bug is a duplicate of bug 815996 ***
https://bugs.launchpad.net/bugs/815996
$ Bug: Workspace switching sometimes freezes in Unity/Compiz
-------------------------------------------------------------
[1] Update Unity and Compiz
> Make sure both packages are up-to-date to fix known workspace issues.
[2] Disable problematic Compiz plugins temporarily
> Check 'ccsm' and try turning off plugins like:
> - expo
> - scale
> - circle application switcher
[3] Update Intel graphics driver
> Ensure the latest driver is installed for better dual-screen support.
[4] Use alternative desktop environment (temporary)
> Try XFCE or Gnome 3 Classic until the bug is fully resolved.
[5] Collect logs for developers
> Useful logs include:
> - ~/.xsession-errors
> - /var/log/Xorg.0.log
-------------------------------------------------------------
$ Following these steps should reduce freezes and help developers identify the
root cause.
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https://bugs.launchpad.net/bugs/880768
Title:
The whole window manager sometimes freezes when switching workspaces
or when opening the workspace switcher
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https://bugs.launchpad.net/gnome-shell/+bug/880768/+subscriptions
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