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[Bug 1391150] [NEW] compiz causes high cpu load, gui unusable

 

Public bug reported:

After first boot Unity is not usable due to very slow user interface. compiz shows high cpu load.
Rebooting the system fixes the issue mostly.

Behaviour interferes somehow with bootup, see also:
https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1391143

config
 Ubuntu 14.10 64 bit
 MacBook Air 3,2 late 2010
 lvm / full disk encryption
 only ubuntu installed
 02:00.0 VGA compatible controller: NVIDIA Corporation MCP89 [GeForce 320M] (rev a2)

$ apt-cache policy compiz
compiz:
  Installed: 1:0.9.12+14.10.20140918-0ubuntu1
  Candidate: 1:0.9.12+14.10.20140918-0ubuntu1
  Version table:
 *** 1:0.9.12+14.10.20140918-0ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  After first boot Unity is not usable due to very slow user interface. compiz shows high cpu load.
  Rebooting the system fixes the issue mostly.
  
- Behaviour interferes somehow with bootup, see also: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1391143
+ Behaviour interferes somehow with bootup, see also:
+ https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1391143
+ 
  config
-  Ubuntu 14.10 64 bit
-  MacBook Air 3,2 late 2010
-  lvm / full disk encryption
-  only ubuntu installed
-  02:00.0 VGA compatible controller: NVIDIA Corporation MCP89 [GeForce 320M] (rev a2)
+  Ubuntu 14.10 64 bit
+  MacBook Air 3,2 late 2010
+  lvm / full disk encryption
+  only ubuntu installed
+  02:00.0 VGA compatible controller: NVIDIA Corporation MCP89 [GeForce 320M] (rev a2)
  
  $ apt-cache policy compiz
  compiz:
-   Installed: 1:0.9.12+14.10.20140918-0ubuntu1
-   Candidate: 1:0.9.12+14.10.20140918-0ubuntu1
-   Version table:
-  *** 1:0.9.12+14.10.20140918-0ubuntu1 0
-         500 http://de.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
-         100 /var/lib/dpkg/status
+   Installed: 1:0.9.12+14.10.20140918-0ubuntu1
+   Candidate: 1:0.9.12+14.10.20140918-0ubuntu1
+   Version table:
+  *** 1:0.9.12+14.10.20140918-0ubuntu1 0
+         500 http://de.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
+         100 /var/lib/dpkg/status

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https://bugs.launchpad.net/bugs/1391150

Title:
  compiz causes high cpu load, gui unusable

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References