[Bug 66139] [ivb] BIOS does not support MT forcewake

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66139

--- Comment #6 from anish613 at gmail.com ---
I just updated my bios to an update released on 2013-03-05 and the problem
still persists. I am not sure if the forcewake ERROR is as red herring because
both the working and nonworking dmesg logs show that error, but the nonworking
kernel contains:
[    4.174355] [drm:init_ring_common] *ERROR* bsd ring initialization failed
ctl 00000000 head 00000000 tail 00000000 start 00000000
[    4.174432] [drm:gm45_get_vblank_counter], trying to get vblank count for
disabled pipe C
[    4.174439] [drm:i915_driver_load] *ERROR* failed to init modeset
[    4.175224] i915: probe of 0000:00:02.0 failed with error -5


I just learned about git bisect and I am attempting to narrow down the issue 
between kernel 3.7.9 and 3.8.3. (Linux takes a long time to build)

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