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Why does my KDE Plasma scroll like this?

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everydaydiesel
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luebking wrote:Is your X server running on display ":1"? (X must be running, "ps ax | grep X")
Try "DISPLAY=:n xrandr -q" and increase "n" until it stops complaining about no display.

Sorry, the complete call would then be "xrandr --output DFP-1 --mode 1024x768"



i see that there is a process running but I am not sure if it is display1 or not. I am using ctl+alt+ F2. for the console (ctl+alt+f1 is still the scrolling screen)


sorry for the screen shot but here is the output

http://s1056.photobucket.com/user/everydaydiesel2/media/Mobile%20Uploads/20151021_100757_zpsb2aaptni.jpg.html


one other difference is that with centos i was using the nvidia drivers but with this installation i installed nvidia with pacman -S nvidia
everydaydiesel
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I finally figured this out and while it is not the best solution it does work.

First I removed pacman -R nvidia

I added "blacklist nouveau" to /etc/modprobe.d/nouveau_blacklist.conf

rebooted

then used wget to download the lastest nvidia drivers from their website
chmod +x FILENAME

then installed it


Now it works like a charm. Thanks for all your help!
luebking
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> I added "blacklist nouveau" to /etc/modprobe.d/nouveau_blacklist.conf
Ahh, you allow multiple framebuffer access. Not good.
Also see https://wiki.archlinux.org/index.php/GR ... ramebuffer
everydaydiesel
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luebking wrote:> I added "blacklist nouveau" to /etc/modprobe.d/nouveau_blacklist.conf
Ahh, you allow multiple framebuffer access. Not good.
Also see https://wiki.archlinux.org/index.php/GR ... ramebuffer


Should I disable the framebuffer. I am not sure how else to get this machine working. What is wrong with having multiple frambuffer access?
luebking
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The nvidia driver doesn't support kms and "prefers" exclusive access on the framebuffer (notably since the archlinux package already contains a modprobe role to blacklist nouveau)
Because your VT1 screenshots looked like VGA, I had assumed you had configured that anyway.
(If you had, it'll rather be simply a bug in the driver - but arch has 355.11, being the latest driver version unless you chose a beta)

Not allowing nouveau to be loaded is mandatory, getting rid of grub caused framebuffer changes is a good idea.


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