[Nouveau] [Bug 74613] [NV34] [v3.14-rc1] nouveau: get 0x10000000 put 0x0000ed30 state 0xc0000000 (err: MEM_FAULT) push 0x00000000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74613

--- Comment #8 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Aha, I think I know what's going on. You're using AGP, which means you get to
use the ttm_bo_manager_func. This in turn allocates nodes as drm_mm_node, which
is *totally* different from nouveau_mem. (And that's what gets stored in
mem->mm_node.)

Can you change

        if (!node->memtype)
            /* untiled */
            break;

to

if (nv_device(drm->device)->card_type < NV_50 || !node->memtype)
  break;

and see if that helps? I actually semi-suspect that this is a giant issue with
the TTM stuff the way we're using it, but perhaps all the other uses are
guarded behind card < NV_50 logic as well, but that's not obvious to me.

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