You are not logged in.
Hello,
I have a strange issue with my screen.
My principal screen is a Acer X34V and I have 2 other 17" screen. oth of this 17" are a recycled material with external control card. I mean for example this.
When I use 2 screen ( the 34 and one of the 17") no problem.
But when I start the third (the other 17", my 34" has no longer video sources. The screen turns black.
It happens whether it is with xorg or wayland.
I don't have a problem like this when I'm on the SDDM connection screen.
In the logs I find nothing special. It must be said that I don't really know where to look for these logs.
But. log Xorg, when connecting the third screen.
[ 7586.589] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): connected
[ 7586.589] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): Internal TMDS
[ 7586.589] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): 600.0 MHz maximum pixel clock
[ 7586.589] (--) NVIDIA(GPU-0):
[ 7587.320] (II) NVIDIA(0): Setting mode "DP-2: nvidia-auto-select @1920x1080 +782+1440 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
[ 7587.441] (II) NVIDIA(0): Setting mode "DP-2: nvidia-auto-select @1920x1080 +0+0 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
[ 7587.525] (II) NVIDIA(0): Setting mode "HDMI-0: 1024x768_60 @1024x768 +1920+0 {ViewPortIn=1024x768, ViewPortOut=1024x768+0+0}, DP-2: nvidia-auto-select @1920x1080 +0+0 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
[ 7590.936] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): connected
[ 7590.936] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): Internal TMDS
[ 7590.936] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): 600.0 MHz maximum pixel clock
[ 7590.936] (--) NVIDIA(GPU-0):
[ 7590.980] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): connected
[ 7590.980] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): Internal TMDS
[ 7590.980] (--) NVIDIA(GPU-0): IPS HDMI (DFP-1): 600.0 MHz maximum pixel clock
[ 7590.980] (--) NVIDIA(GPU-0):
when unplugging
[ 7600.238] (--) NVIDIA(GPU-0): DFP-1: disconnected
[ 7600.238] (--) NVIDIA(GPU-0): DFP-1: Internal TMDS
[ 7600.238] (--) NVIDIA(GPU-0): DFP-1: 165.0 MHz maximum pixel clock
[ 7600.238] (--) NVIDIA(GPU-0):
[ 7600.988] (II) NVIDIA(0): Setting mode "DP-2: nvidia-auto-select @1920x1080 +0+0 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
[ 7601.164] (II) NVIDIA(0): Setting mode "DP-2: nvidia-auto-select @1920x1080 +782+1440 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
[ 7601.247] (II) NVIDIA(0): Setting mode "DP-4: 3440x1440_175 @3440x1440 +0+0 {ViewPortIn=3440x1440, ViewPortOut=3440x1440+0+0}, DP-2: nvidia-auto-select @1920x1080 +782+1440 {ViewPortIn=1920x1080, ViewPortOut=1920x1080+0+0}"
In journalctl, I have many log like this but no error.
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Timestamp: 7587524
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: CRTC: 443
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Mode: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Rotation: "Rotate_0"
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Geometry: 0 0 0 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: RRNotify_OutputChange
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Timestamp: 7587524
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Output: 444
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: CRTC: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Mode: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Rotation: "Rotate_0"
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Connection: "Disconnected"
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Subpixel Order: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: RRNotify_OutputChange
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Timestamp: 7587524
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Output: 445
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: CRTC: 440
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Mode: 463
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Rotation: "Rotate_0"
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Connection: "Connected"
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Subpixel Order: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: RRNotify_OutputChange
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Timestamp: 7587524
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Output: 446
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: CRTC: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Mode: 0
nov. 10 22:04:13 archbertha kscreen_backend_launcher[1140]: kscreen.xcb.helper: Rotation: "Rotate_0"
I don't know.
I have no problems with my other dualboot operating system... Windows 10. So I think it's really a problem with the Xorg/Waylan or Nvidia or KDE driver or something.
And by the way, which tools manage the screen on SDDM or other display manager? In other words, why do I have a problem with my session and not with SDDM?
Thank you for your help.
Offline