[Nouveau] [Bug 30158] nouveau fails to display on external monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 16 13:49:55 PDT 2010


--- Comment #10 from Michael Boehm <varp-b at gmx.de> 2010-09-16 13:49:55 PDT ---
(In reply to comment #5)
> try to blacklist vga16fb first - see
> https://wiki.ubuntu.com/X/Troubleshooting/Nouveau#Disable%20vga16fb
> (the log says it is "not registering due to another framebuffer present", but
> it's not completely true)

Well, I was a too quick. If I don't disable kernel mode setting for nouveau
(omit nouveau.modeset=0) and set X to nv as in Message #8 X does come up, but I
don't have terminals and the system might crash on shutting down. To be
specific what I see is a random pattern of colored ascii signs when opening a
terminal with for example CTRL+ALT+F1, and I see the same kind of pattern on

I went back to the state of Message #7 - I disable nouveau kernel mode setting
on boot and configure xorg.conf to use nv. This works fine, though I still
don't know if I am running nouveau or nv (nouveau is reported to be active and
can't find a trace of nv). Maybe you could help me on this matter, please.

Best regards, Michael

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