[Nouveau] [Bug 98240] Kernel module fails to load on HP Pavilion V3A33AV laptop.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 14 01:33:55 UTC 2016


--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Created attachment 127289
  --> https://bugs.freedesktop.org/attachment.cgi?id=127289&action=edit
_ROM method

Interesting, so it looks like

(a) the _ROM method only returns 0x1000 chunks at a time
(b) stores the VBIOS in 8 32K chunks (the chunks themselves do not appear to be
in the ACPI data dump)

I wonder if this is running up against our "fast" ACPI method reading logic

Can you try to edit drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c and
comment out (or remove) the line

"{ 0, &nvbios_acpi_fast },"

And see if that helps?

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