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it_services:problems [2014/06/12 09:42]
florido created
it_services:problems [2014/06/12 17:13]
florido
Line 5: Line 5:
 ===== Very slow graphical interface on workstation ====== ===== Very slow graphical interface on workstation ======
  
-In systems running nvidia graphical cards, sometimes the video driver gets messed up with cached info. +==== Disable Desktop Effects ​in KDE ====
-To fix this, run the following as normal user while logged ​in e.g. KDE:+
  
 +- Click on the KDE icon and search for ''​Desktop Effects''​
 +- Disable effects as in this picture:
 +{{http://​mschlander.files.wordpress.com/​2011/​01/​effects.png?​w=720}}
  
 +The above picture belongs to this blog you might want to have a read:
 +http://​mschlander.wordpress.com/​2011/​01/​23/​kde-is-slow-for-dummies/​
 +
 +==== NVIDIA video card issues ====
 +
 +In systems running nvidia graphical cards, sometimes the video driver gets messed up with cached info.
 +To fix this, run the following as normal user while logged in e.g. KDE:
 +<code bash>
 +nvidia-settings -a PixmapCache=0
 +</​code>​
  
 Affected systems so far: Affected systems so far:
Line 14: Line 26:
 root@jarjar 11.4 ~> lspci | grep VGA root@jarjar 11.4 ~> lspci | grep VGA
 01:00.0 VGA compatible controller: nVidia Corporation G98 [GeForce 8400 GS] (rev a1) 01:00.0 VGA compatible controller: nVidia Corporation G98 [GeForce 8400 GS] (rev a1)
-<​code>​+</code> 
 + 
 +===== System becomes unresponsive and crashes ===== 
 + 
 +==== Akonadi+nepomuk eating all CPU power and memory ==== 
 + 
 +You can spot this if you login to a terminal and run ''​top''​. You'll see processes that contain ''​akonadi''​ in the name taking over 100% of all cores and memory. 
 + 
 +To solve this problem, 
 +- Login on terminal or ssh to any machine with your user. 
 +- cd into your home folder, and run the following:<​code bash> 
 +   rm -rf .local/​share/​akonadi 
 +   rm -rf .config/​akonadi 
 +   rm .kde4/​share/​config/​akonadi* 
 +</​code>​ 
 +- logout and try to login graphically. Akonadi should not freak out 
 +anymore. 
 + 
 +==== nfs4 mount problems ==== 
 + 
 +Due to incompatibility trough versions on nfs4, if in the logs such an error appears: 
 +<code io> 
 +Jun 12 13:57:55 balder automount[3145]:​ umount_autofs_indirect:​ ask umount returned busy /nfs 
 +</code>
  
 +then it seemed more stable to switch to nfs3. This is done in '/​etc/​nfsmount.conf'​. Please ask the administrator for such a fix.
it_services/problems.txt · Last modified: 2014/06/12 17:17 by florido

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