Hello.
My main issue is that my external monitor (samsung sj55w) works via HDMI, but doesn’t work via display port. It keeps on getting disconnected and only shows a black screen.
Details:
Linux version: 5.10.0-9-amd64 #1 SMP Debian 5.10.70-1 (2021-09-30) x86_64 GNU/Linux
Debian version: 11.1
Nvidia driver version: 460.91.03-1
Nvidia-smi result:
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.91.03 Driver Version: 460.91.03 CUDA Version: 11.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 GeForce RTX 305... On | 00000000:01:00.0 Off | N/A |
| N/A 45C P8 6W / N/A | 5MiB / 3910MiB | 0% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 1801 G /usr/lib/xorg/Xorg 4MiB |
+-----------------------------------------------------------------------------+
Logs that shows disconnected:
Oct 26 21:36:39 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0):
Oct 26 21:37:00 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: disconnected
Oct 26 21:37:00 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
Oct 26 21:37:00 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: 2670.0 MHz maximum pixel clock
Oct 26 21:37:00 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0):
Oct 26 21:37:01 Lazam kernel: [ 3682.383238] asus_wmi: Unknown key c0 pressed
Oct 26 21:37:02 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): connected
Oct 26 21:37:02 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): Internal DisplayPort
Oct 26 21:37:02 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): 2670.0 MHz maximum pixel clock
Oct 26 21:37:02 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0):
Oct 26 21:37:34 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: disconnected
Oct 26 21:37:34 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: Internal DisplayPort
Oct 26 21:37:34 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): DFP-0: 2670.0 MHz maximum pixel clock
Oct 26 21:37:34 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0):
Oct 26 21:37:36 Lazam kernel: [ 3716.792126] asus_wmi: Unknown key c0 pressed
Oct 26 21:37:36 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): connected
Oct 26 21:37:36 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): Internal DisplayPort
Oct 26 21:37:36 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0): Samsung S34J55x (DFP-0): 2670.0 MHz maximum pixel clock
Oct 26 21:37:36 Lazam /usr/libexec/gdm-x-session[1801]: (--) NVIDIA(GPU-0):
USB C details:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=480 MxCh= 0
D: Ver= 2.01 Cls=11(blbrd) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=2109 ProdID=0100 Rev=03.00
S: Manufacturer=VIA Technologies Inc.
S: Product=USB 2.0 BILLBOARD
S: SerialNumber=0000000000000001
C: #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#=0x0 Alt= 0 #EPs= 0 Cls=11(blbrd) Sub=00 Prot=00 Driver=(none)
Nvidia logs: nvidia-bug-report.log.gz (753.8 KB)