[Bug 59431] [snb efi gmux] imac 12,1 blank screen upon booting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59431

--- Comment #32 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #29)
> 
> When i start this kernel i do see some kernel output before the screen
> flashes black, then after some seconds i see the login prompt. on the 64bit
> kernel i also see the output from the init scripts but not on the 32bit
> kernel. The screen is also distorted because the screen starts almost in the
> middle and the output on the most right side is displayed at the left side
> of the screen. I attached a picture which shows this. 
> 
> X can be started but has the same issue. a part of the right side of the
> display is showed on the left side.

Which kernel exhibits the shifted display?


(In reply to comment #31)
> When removing the gfxpayload=keep option the 64bit kernel boots fine but the
> 32bit kernel does not give me a console.

Does removing that option fix the shifted display?

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