Public bug reported:
In Ubuntu I regularly use the user switching feature which basically spawns
multiple X Servers.
This has never been a problem until Lucid.
Now when I switch from one user to another, sometimes the X server being
switched to freezes and takes up 100% CPU on one CPU core. Then I have
to ssh into the machine and kill -9 the frozen X server.
Suspending and Resumes improves the chance greatly (almost 100%) to
reproduce the bug:
1) log in one user
2) use the gnome panel applet (indicator-applet-session) to log in another user.
3) suspend/resume
4) switch back to the first user
Although I filed a bug in nvidia-graphics-drivers, I doubt that they are
the only source of the problem, since the same driver worked fine with
karmic.
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
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[lucid regression] Using multiple X sessions makes X server freeze
https://bugs.launchpad.net/bugs/524309
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