On Mon, Oct 6, 2014 at 8:09 PM, Scott Sullivan <[email protected]> wrote: > On 10/01/2014 01:14 PM, o1bigtenor wrote: > >> I'm running nvidia graphics cards (2 connected to monitors) so its a >> royal pain >> but I'm running the nvidia drivers. Its not that easy to set up the >> first time (I spent >> a lot of time the first time) but now its a painful process but its >> quite doable. >> > > Sounds like your doing multi-card, not specifically multi-monitor, am I > mistaken? >
2 cards and 4 monitors 1 monitor in portrait and 3 in landscape mode (wouldn't mind a 4th in landscape!) > > Xrandr works great for multi-monitor, but does indeed assume single card. > The assumption is not Xrandr's fault, support for multi-card been a target > feature of Xorg to for the last decade. Multi-monitor single cards have > been "good enough" for just as long. > My research showed that multi-card has been a 'hope' for a very long time. It must be because few people actually run more than 1 graphics card. I wish there were an easy way to slave cards together (I actually have 3 graphics cards - - - wanted them for serious numeric processing). > > You need to remove the nouveau driver. Means that first you need to get >> your system >> running on something else and then you black list nouveau and then you >> install the >> nvidia drivers and then you need to setup all the goodies and then you >> can turf the nouveau >> drivers and then you have OK performance. >> > > Fought with this today actually. > Add to your kernel boot line: > > modprobe.blacklist=nouveau > > This gets it gone before it's used to by the console. > One needs to NOT be running any x window stuff at that time too! The whole process isn't very straightforward. Its a pity that nouveau weren't just either seriously upgraded or perhaps deprecated. Dee
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