ho...@rumormillnews.com composed on 2019-08-04 04:19 (UTC-0400): > My amd64 stable ('buster') system has this on the motherboard: > AMD Kaveri [Radeon R7 Graphics] > In the "Psychedelic colors" thread we added this to the kernal commandline: > radeon.cik_support=0 amdgpu.cik_support=1 > ...which, in the long run, may not have been necessary, but it's still there.
They should be inert with no AMD GPU or APU available. > I plugged in an nvidia GeForce 210 card and essentially lost most > functional video, resulting in either "no signal" or a message that meant > "I can see a signal but somewhere/somehow, it's not supported", sent by > the display, depending on which card I connected to the display via either > VGA or DVI cable. > What am I missing? What do I need to do in order to make use of the > nvidia GeForce card? Is there some leftover manual Kaveri configuration via xrandr, kernel cmdline or /etc/X11/xorg.con*? I would expect it to work perfectly automagically, like mine: > inxi -GxxS System: Host: hp945 Kernel: 4.19.0-5-amd64 x86_64 bits: 64 compiler: gcc v: 8.3.0 Desktop: Trinity R14.0.7 tk: Qt 3.5.0 wm: Twin dm: startx Distro: Debian GNU/Linux 10 (buster) Graphics: Device-1: NVIDIA GT218 [GeForce 210] vendor: eVga.com. driver: nouveau v: kernel bus ID: 01:00.0 chip ID: 10de:0a65 Display: tty server: X.Org 1.20.4 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1200~60Hz OpenGL: renderer: NVA8 v: 3.3 Mesa 18.3.6 direct render: Yes > xrandr | egrep 'onnect|creen|\*' | grep -v disconn | sort -r Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 8192 x 8192 DVI-I-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 519mm x 324mm 1920x1200 59.95*+ Are there (EE) lines in /var/log/Xorg.0.log or ~/.local/share/xorg/Xorg.0.log? If yes, please share the entire log. -- Evolution as taught in public schools is religion, not science. Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/