[Bug 269904] Re: Screen refresh problems with nvidia on intrepid

[selkovjr]

That suspend-wakeup problem is a segfault. I have a suspicion that the
server is distributed with an incompatible kernel module. I just made
the 177 version do the same, when I installed it without properly
cleaning up the 180. I thought the ubuntu package would simply put the
right things in all the right places, but it didn't. For that, the
nvidia installer must be run with the --uninstall option. Interestingly,
it didn't log any errors before it crashed. It read the config file, the
screen blinked a couple times, then segfault.

If it runs under gdm, the latter will attempt to restrat it (in the
absence of verbose errors), so this situation is a dead-end. The
segfault apparently clobbers the console driver and likely something
else. In one instance, it opened the console in the vga mode, with all
sorts of random colored ascii characters filling the screen. It writes
everything it wants everywhere it wants. I don't know how much of the
system survives the crash; the only function I was able to use was the
power button -- a single touch on the button brings up the Ubuntu
shutdown splash with the progress bar, and then it shuts down.

So I'm back to 177.  Still running without loose binding (to ascertain
that it makes any difference in scrolling). The only effect so far is
that without loose binding, compiz's window fading became rough and
jerky, so I had to disable it.

-- 
Screen refresh problems with nvidia on intrepid
https://bugs.launchpad.net/bugs/269904
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