vignatti at c3sl.ufpr.br
Tue Nov 6 05:24:11 PST 2007
Yan Seiner escreveu:
> I'm trying to set up a dual-head system. I am running into a problem
> where only 1 screen is active at a time.
> The current system has 2 heads; when X starts I can see the first server
> start up. As soon as the second server starts up, the first one goes black.
> X is running on both heads; just the screen is black.
> root 7832 0.3 0.5 65476 11996 ? SLs 21:10 0:01
> /usr/X11R6/bin/X :0 -audit 0 -layout Yan -novtswitch -sharevts vt7 -auth
> /var/lib/gdm/:0.Xauth -nolisten tcp
> root 7867 7.6 1.0 75820 21764 ? RLs 21:10 0:27
> /usr/X11R6/bin/X :1 -audit 0 -layout Noriko -novtswitch -sharevts vt7
> -auth /var/lib/gdm/:1.Xauth -nolisten tcp
> There is nothing to indicate that there is any problem.
> I am using the evil binary nvidia driver but I have also confirmed this
> with the nv driver and with older, known good versions of the nvidia driver.
> I am stumped. I've set this up in the past without these problems....
> At this point the only thing I can think of is that the GT7600 card I am
> using simply is not compatible with dual head....
> Anyone see any problems here?
This is issue totally related with the VGA arbitration  which we
discussed some days ago here. No one knows if the nvidia driver will
only use MMIO and no legacy stuff to decode the resources.
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