Created attachment 22827 [details] crashing X I've tested it with heads 30848dd378d05917c646a24df404846e6f9b2352 and 15ccf721791fa4f61784ad00449630c6d2496328. When I move a window using the Alt key (on Gnome) and the window get past the upper edge, X is crashing. I get back to the VT then GDM respawns. It is reproducible will all types of applications: gnome-terminal, Tk, Firefox... I'm using a NV50 (GeForce 8400M GS). I attach the log of the crashing X. By the way, I've just noticed gnome-terminal is lighting fast now, I address a big thank you to the team.
You're running in shadowfb mode, which means software acceleration. This is probably a result of lacking the kernel modules. Without a proper backtrace it's hard to tell what is the problem, it may very well not be a nouveau problem. gdb can probably get a better backtrace.
You're right, the nouveau module is not loaded. I'm very surprised, I track both nouveau and drm using git. I'll first fix the module issue and come back. Sigh, I hope the sudden speed of gnome-terminal is not related to this.
You're right, I was not using the nouveau module. I've probably updated the kernel recently and forgot to overwrite the drm module. Closing as I won't take the time to debug with gdb.
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