PROBLEM: nouveau & ttm module crashes

Hello,

I have had some problems with nouveau on my box. Loading the module crashes Linux 3.2.1 (modprobe hangs with kernel trace). The following two code fragments are relevant and should be changed:

1) drivers/gpu/drm/ttm/ttm_bo.c - line 1529
you should comment BUG_ON; this validation will be done two lines later in drm_mm_takedown more gracefully. On my box this line is triggered and results in a hang of modprobe.

2) drivers/gpu/drm/nouveau/nouveau_hw.c - line 1024 dev!=NULL but dev->vblank_enabled == NULL (is not catched and results in Null pointer reference)

With both changes it is possible to load nouveau without kernel crashes on my box.

Regards,
Lars

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