Originally Posted by Leviathan
This might not be a nvidia-issue at all!
Some SIS-Board have a timing bug that crashes X for the first start, this happened to me too.
This should have been fixed in the newest kernel versions (2.6.6/2.6.7) by adding an additional wait, but it still doesn't work for me.
The solution I use is starting a program named "testgart" before I run X. Testgart runs into the same timing bug that X would, but it doesn't crash the system. After that, X should run smoothly (all with agpgart that is)
No luck unfortunally, I run the program, it does 2 tests, which it passes.