Comment # 29 on bug 46557 from Marcin Slusarz

Created attachment 72201 [details] [review]
limit vm size to 31 bits (nv04-nv40,nv45)

Ok, original Salah's issue seems to be fixed. Xorg crashes and CACHE_ERRORs
look like separate bugs - please open new bug reports for them (note that for
CACHE_ERRORs I advise running nouveau git kernel with
http://lists.freedesktop.org/archives/nouveau/2012-December/011780.html).

Raphaël Droz's: you have nv34, so changing something in *nv44.c* obviously
won't fix anything for you... Does the above patch help?