[Nouveau] [Bug 58984] DRM NOUVEAU: probe of 0001:01:00.0 failed with error -12

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58984

--- Comment #12 from Patrick Baggett <baggett.patrick at gmail.com> ---
OK, I found some time to dig into this. I'm now running linux + nouveau git
latest.

The error continues into nv50_display_create(), where nouveau_bo_new() returns
-12. Tracing into nouveau_bo_new(), the function ttm_bo_init() fails with -12.
This seems to be "outside" of the nouveau driver, however, since I've had
success with nouveau using NV17 hardware, I thought perhaps that the parameters
were somehow problematic.

I see these integer (non-pointer/boolean) parameters to ttm_bo_init():

size = 8192
type = 0
align >> PAGE_SHIFT = 0
acc_size = 17536


PAGE_SHIFT = 13


SPARC has 8KB pages by default (1<<13), if that helps explain anything.

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