[Nouveau] [Bug 31676] garbled text after loading nouveau module on EFI boot; X driver thinks there are no connected outputs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31676

--- Comment #17 from Benoit Gschwind <gschwind at gnu-log.net> 2011-06-11 15:11:20 PDT ---

Hello,

I made more investigation with EFI boot, in particular I tryed boot kernel with
video=eDP-1:1024x768e to force to enable eDP-1. the result is that the screen
turn off (without "e" the screen show garbage and stay on). The other
interresting things is that I get a list of Modeline in dmesg. All of them are
rejected with error 15 (that seems to be MODE_VIDEO_HIGH define in kernel
sources) enstead of one with -3.

Another interresting thing is that the rejected Modeline with -3 is reported as
1368x768 but not the usual 1366x768.

I tryed to overide all sanity check to make all modes as MODE_OK. But the
screen still turn off at boot.

I Hope this help. If yes I can remake logs and put them here.

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