Am 10.11.2014 um 00:18 schrieb Ben Skeggs: > On Sun, Nov 9, 2014 at 11:08 PM, Dr. Boris Neubert <om...@online.de> wrote: >> I have a NVidia Quadro NVS450 graphics card with on screen (4800 x 1200 >> pixels) over three monitors. I use the proprietary NVidia modules to >> achieve accelerated 2D graphics and display effects. >> I am not able to create a multi-monitor setup with current Nouveau >> drivers (from Ubuntu 14.04.1). xrandr -q only shows one monitor. >> http://nouveau.freedesktop.org/wiki/MultiMonitorDesktop/ seems to refer >> to Xinerama which is no alternative to me (slow, no display effects). >> > From what I recall (I believe I have this board on my desk somewhere), > this board is actually two separate GPUs, each one driving two > outputs. Your best bet is to treat it as one would an "Optimus" > configuration[1]. > Thank you Ben, for the hint.
Unfortunately I am trapped by another problem: after switching back from NVidia driver to Nouveau driver in Ubuntu, I get GPU lockups already at boot time, rendering the system inaccessible. This is a peculiarity of the combination of my mainboard and NVidia graphics card. I already filed that issue to the Ubuntu bug tracker. Booting with nouveau.noaccel=1 works but KDE crashes silently during initialization. I thus had no chance to try the Optimus thing at all. Deadlocked Cheers, Boris
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