Public bug reported:
This is an odd bug that has only started happening recently in maverick.
If you log out and back in several times (this takes usually about 6-10
times to come into effect) then suddenly the new gdm/Xorg will become
extremely slow and Xorg will take up 100% CPU.
For example, though I don't think that this is an Nvidia bug, the Nvidia
logo that you normally see for a split second (or not at all usually)
appears for over three minutes, then the magenta background loads, with
the mouse cursor able to move once every 15 seconds or so. I can't even
use Ctrl+Alt+Backspace or switch to a tty; the only way to get out is
SysRq/REISUB.
Attached is an example of how slow it becomes so suddenly; the Nvidia
splash takes so long that I'm able to take out my phone and photograph
it.
** Affects: ubuntu
Importance: Undecided
Status: New
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logging out and back in a few times causes Xorg to hang and become sluggish
https://bugs.launchpad.net/bugs/667250
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