Hello,
We use HP RGS to work remotely. We need to use twinview to connect 2 screens on workstations without screen connected.
This work fine with Quadro K2000 series but not with M4000 and RTX4000.
OS : Centos 7.7
Driver : 440.64
[ 6111.784] (II) NVIDIA(0): Using MetaMode string: “DFP-0: 2560x1440 +0+0, DFP-1:
[ 6111.784] (II) NVIDIA(0): 2560x1440 +2560+0”
[ 6111.784] (II) NVIDIA(0): Requested modes:
[ 6111.784] (II) NVIDIA(0): “DFP-0:2560x1440+0+0,DFP-1:2560x1440+2560+0”
[ 6111.785] (WW) NVIDIA(0): No valid modes for
[ 6111.785] (WW) NVIDIA(0): “DFP-0:2560x1440+0+0,DFP-1:2560x1440+2560+0”; removing.
[ 6111.785] (WW) NVIDIA(0):
[ 6111.785] (WW) NVIDIA(0): Unable to validate any modes; falling back to the default mode
[ 6111.785] (WW) NVIDIA(0): “nvidia-auto-select”.
[ 6111.785] (WW) NVIDIA(0):
[ 6111.786] (WW) NVIDIA(0): No valid modes for
[ 6111.786] (WW) NVIDIA(0): “DFP-0:nvidia-auto-select,DFP-1:nvidia-auto-select”;
[ 6111.786] (WW) NVIDIA(0): removing.
[ 6111.786] (EE) NVIDIA(0): Unable to use default mode “nvidia-auto-select”.
[ 6111.786] (EE) NVIDIA(0): Failing initialization of X screen
[ 6111.882] (II) UnloadModule: “nvidia”
[ 6111.882] (II) UnloadSubModule: “glxserver_nvidia”
[ 6111.882] (II) Unloading glxserver_nvidia
[ 6111.882] (II) UnloadSubModule: “wfb”
[ 6111.882] (II) UnloadSubModule: “fb”
[ 6111.882] (EE) Screen(s) found, but none have a usable configuration.
Our xorg.conf
Section “ServerLayout”
Identifier “Layout0”
Screen 0 “Screen0”
EndSection
Section “ServerFlags”
Option “BlankTime” “0”
Option “StandbyTime” “0”
Option “SuspendTime” “0”
Option “OffTime” “0”
EndSection
Section “Monitor”
Identifier “Monitor0”
VendorName “Unknown”
ModelName “Unknown”
EndSection
Section “Device”
Identifier “Device0”
Driver “nvidia”
VendorName “NVIDIA Corporation”
Option “ConnectedMonitor” “DFP-0, DFP-1”
Option “CustomEDID” “DFP-0:/etc/X11/edid.bin; DFP-1:/etc/X11/edid.bin”
EndSectionSection “Screen”
Identifier “Screen0”
Device “Device0”
Monitor “Monitor0”
DefaultDepth 24
Option “TwinView” “True”
Option “MetaModes” “DFP-0: 2560x1440 +0+0, DFP-1: 2560x1440 +2560+0”
SubSection “Display”
Depth 24
EndSubSection
EndSection
Xorg logs with RTX4000 (didn’t works)
debug_rtx4000.log (581.2 KB)
Xorg log with K2000 (works fine)
debug_k2000.log (596.5 KB)