ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

** Description changed:

  System: kubuntu 9.04 Beta (dist-upgraded from 8.10), amd64, NVidia GeForce 9300 (integrated gpu).
  Packages: all up to date, nvidia-glx-180 version 180.44-0ubuntu1, xorg-xserver version 1:7.4~5ubuntu18
  
  After logging in, just when the kde desktop shows, the system becomes
  completely unusable: either it totally freezes (only a hard reboot
  helps), or big black rectangles appear in various places, or the mouse
  moves a tiny bit and then gets stuck for a few seconds before it can
  move a tiny bit more etc., or the mouse moves freely but doesn't
  interact with anything.
  
  In one of the times when the mouse did respond but with very long lags,
  I've managed to eventually run top and saw xorg taking 100% cpu. A
  couple times I got a notification that compositing is taking up too much
  cpu and will be automatically disabled, after which the system was sort
  of usable but with display refresh problems. This gave me the idea of
  disabling desktop effects, after which the system is back to normal (but
  without the effects, of course).
  
  I've come across various similar bug reports, but they are either
  specific to Intel chipsets, or closed as fixed, or relate to disabling
  direct rendering - all of which are not relevant to this problem which
  still occurs with a fully updated system.
  
  Note that the previous configuration had the 177 nvidia drivers with
  Intrepid and there was no such problem. In jaunty I can't seem to revert
  to the 177 drivers - they don't appear to exist in the repositories.
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: nVidia Corporation MCP79 Host Bridge [10de:0a80] (rev b1)
+     	Subsystem: ASUSTeK Computer Inc. Device [1043:8356]
+ 03:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce 9300 / nForce 730i [10de:086c] (rev b1)
+     	Subsystem: ASUSTeK Computer Inc. Device [1043:8356]

-- 
kubuntu unusable with desktop effects - xorg takes 100% cpu
https://bugs.launchpad.net/bugs/357577
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