[Nouveau] [Bug 66129] [BISECTED] nouveau, nv50: dual display doesn't work in 3.9

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jun 27 01:04:38 PDT 2013


--- Comment #8 from Yves-Alexis <corsac at debian.org> ---
Created attachment 81530
  --> https://bugs.freedesktop.org/attachment.cgi?id=81530&action=edit
dmesg with 3.10-rc7 (bad)

(In reply to comment #2)
> Yves-Alexis thanks for the bisection log
> Note that Bug #64904 is about broken logic wrt VGA detection, and as far as
> I can see Display port is not the same as VGA :) (Per Arnold Blaasmo) 
> Before proceeding make sure that you have the patches from the above bug
> (either apply manually or upstream 3.9.7 & 3.10-rc7)

Ok, this comment is about 3.10-rc7.
> Firstly can you try single head, and confirm if nouveau works correctly for
> each monitor plugged into it's respective connector

No. Only the monitor plugged to the first connector is working (actually
there's only one proprietary connector on the card itself, and I have some kind
of adapter with two VGA outputs).
> Secondly please attach the output of dmesg for working and non-working
> setup. vbios might be useful as well [1]


> Lastly please be more explicit as to what the issue is
> "Starting 3.9, dual screen doesn't work anymore (screen stays blank or
> doesn't not start at all)"
> * Which screen stays black, is it connected using VGA, 

The monitor plugged to the second connector stays black. Xorg doesn't even

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