New here and fairly new to debian and linux.
Been banging my head against the wall on this for a couple of days now. No matter what I try I cannot get any output through an add in pcie graphics card on this system though at least with debian I can use the onboard display! I have tried Ubuntu 18.04 and the latest Fedora with no luck ( didnt last long in Fedora when I realized all the differences
Anyway this is a Dell r720 with a Matrox G200e onboard display adapter and Im using the KDE Plasma desktop. I have tried several older cards including an nvidia quadro p400, an ATI Firepro V3900, and an Radeon HD 4670. With the Nvidia card the machine fails to boot to the desktop with both proprietary and ope-source drivers.
with the ATI cards I can get a driver loaded but cannot get the graphic shell to recognize it, Display Settings only shows the Monitor connected to the onboard adapter.
Things I have tried with the HD4670
both dvi and hdmi outputs to the same and different monitors.
older proprietary driver ( not compatible with kernel or xserver version so I skipped this )
installed the Ati microcode firmware ( this got the card showing in lshw ) open source driver already installed
https://wiki.debian.org/AtiHowTo
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sudo dmesg | grep -E 'drm|radeon' | grep -iE 'firmware|microcode'
[ 2.407203] [drm] Loading RV730 Microcode
[ 2.407227] radeon 0000:05:00.0: firmware: direct-loading firmware radeon/RV730_pfp.bin
[ 2.407240] radeon 0000:05:00.0: firmware: direct-loading firmware radeon/RV730_me.bin
[ 2.407251] radeon 0000:05:00.0: firmware: direct-loading firmware radeon/R700_rlc.bin
[ 2.407268] radeon 0000:05:00.0: firmware: direct-loading firmware radeon/RV730_smc.bin
[ 2.410083] radeon 0000:05:00.0: firmware: direct-loading firmware radeon/RV710_uvd.bin
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sudo lshw -c display
*-display
description: VGA compatible controller
product: RV730 XT [Radeon HD 4670]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:05:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: iomemory:3ff0-3fef irq:52 memory:3fff0000000-3ffffffffff memory:dafe0000-dafeffff ioport:ec00(size=256) memory:da000000-da01ffff
*-display
description: VGA compatible controller
product: G200eR2
vendor: Matrox Electronics Systems Ltd.
physical id: 0
bus info: pci@0000:0c:00.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm vga_controller bus_master cap_list rom
configuration: driver=mgag200 latency=64 maxlatency=32 mingnt=16
resources: irq:19 memory:d4000000-d4ffffff memory:dbffc000-dbffffff memory:db000000-db7fffff memory:c0000-dffff
xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x79 cap: 0x0 crtcs: 1 outputs: 1 associated providers: 0 name:modesetting
Provider 1: id: 0x44 cap: 0x0 crtcs: 2 outputs: 3 associated providers: 0 name:ATI RV730XT [Radeon HD 4670] @ pci:0000:05:00.0
xrandr --listmonitors
Monitors: 1
0: +*VGA-1 1680/509x1050/286+0+0 VGA-1
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xrandr --newmode "forceout" 106.50 1440 1520 1672 1904 900 903 909 934 +hsync +vsync
xrandr --addmode DVI-1-0 forceout
xrandr: cannot find output "DVI-1-0"
xrandr --output DVI-1-0 --mode forceout
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[ 4.930] ABI class: X.Org ANSI C Emulation, version 0.4
[ 4.930] (==) RADEON(G0): Depth 24, (--) framebuffer bpp 32
[ 4.930] (II) RADEON(G0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)
[ 4.930] (==) RADEON(G0): Default visual is TrueColor
[ 4.930] (==) RADEON(G0): RGB weight 888
[ 4.930] (II) RADEON(G0): Using 8 bits per RGB (8 bit DAC)
[ 4.930] (--) RADEON(G0): Chipset: "ATI RV730XT [Radeon HD 4670]" (ChipID = 0x9490)
[ 4.930] (II) Loading sub module "fb"
[ 4.930] (II) LoadModule: "fb"
[ 4.930] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 4.930] (II) Module fb: vendor="X.Org Foundation"
[ 4.930] compiled for 1.20.4, module version = 1.0.0
[ 4.930] ABI class: X.Org ANSI C Emulation, version 0.4
[ 4.930] (II) RADEON(G0): GPU accel disabled or not working, using shadowfb for KMS
[ 4.930] (II) Loading sub module "shadow"
[ 4.930] (II) LoadModule: "shadow"
[ 4.931] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 4.931] (II) Module shadow: vendor="X.Org Foundation"
[ 4.931] compiled for 1.20.4, module version = 1.1.0
[ 4.931] ABI class: X.Org ANSI C Emulation, version 0.4
[ 4.931] (II) RADEON(G0): KMS Color Tiling: disabled
[ 4.931] (II) RADEON(G0): KMS Color Tiling 2D: disabled
[ 4.932] (II) RADEON(G0): Output HDMI-1-0 has no monitor section
[ 4.952] (II) RADEON(G0): Output VGA-1-1 has no monitor section
[ 4.981] (II) RADEON(G0): Output DVI-1-0 has no monitor section
[ 4.981] (WW) RADEON(G0): 3 ZaphodHeads crtcs unavailable. Some outputs will stay off.
[ 4.982] (II) RADEON(G0): EDID for output HDMI-1-0
[ 5.004] (II) RADEON(G0): EDID for output VGA-1-1
[ 5.033] (II) RADEON(G0): EDID for output DVI-1-0
If there is any interest in this same information from my Ubuntu install I will add it. Here is a link to the Ubuntu flavor question on the same problem.
https://askubuntu.com/questions/1198031 ... configurat
Appreciate any assistance and Happy Holidays !