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#1 2025-01-02 18:27:14

TomKo
Member
Registered: 2025-01-02
Posts: 17

[SOLVED] No output untill I unplug second monitor

Hey there!
I reinstalled Arch with the proprietary drivers and Hyprland + Ly as Greeter.

Whenever I boot I get stuck at 

starting systemd-udevd..

and the moment I disconnect my second monitor (DVI-D), everything unstucks at I see TTY or Ly.
Switching to TTY’s does not work  during this ‘stuck’ phase.

Everything works just fine after re-plugging the DVI-D cable, except the monitor big_smile The monitor goes to power saving mode indicating it receives no signal.

My hardware:
- Ryzen 5 3600
- GT 1030
- Primary HDMI monitor      (connected to GPU)
- Secondary DVI-D monitor (connected to GPU)
- Secondary GPU, that does not work at this current moment. (RX 470)

Outputs of some commands, that could help further diagnosis:

inxi -G

Graphics:
  Device-1: NVIDIA GP108 [GeForce GT 1030] driver: nvidia v: 565.77
  Device-2: Advanced Micro Devices [AMD/ATI] Ellesmere [Radeon RX
    470/480/570/570X/580/580X/590] driver: amdgpu v: kernel
  Display: wayland server: X.org v: 1.21.1.15 with: Xwayland v: 24.1.4
    compositor: Hyprland v: 0.46.2 driver: X: loaded: nvidia
    gpu: nvidia,nvidia-nvswitch resolution: 1920x1080~144Hz
  API: EGL v: 1.5 drivers: nvidia
    platforms: gbm,wayland,x11,surfaceless,device
  API: OpenGL v: 4.6.0 vendor: nvidia v: 565.77 renderer: NVIDIA GeForce GT
    1030/PCIe/SSE
xrandr

Screen 0: minimum 16 x 16, current 1920 x 1080, maximum 32767 x 32767
HDMI-A-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 520mm x 290mm
   1920x1080    143.88*+
   1440x1080    143.80  
   1400x1050    143.89  
   1280x1024    143.79  
   1280x960     143.86  
   1152x864     143.92  
   1024x768     143.87  
   800x600      143.83  
   640x480      143.85  
   320x240      142.05  
   1680x1050    143.88  
   1440x900     143.86  
   1280x800     143.84  
   1152x720     143.77  
   960x600      143.72  
   928x580      143.50  
   800x500      143.68  
   768x480      143.69  
   720x480      143.85  
   640x400      143.37  
   320x200      141.40  
   1600x900     143.93  
   1368x768     143.77  
   1280x720     143.67  
   1024x576     143.91  
   864x486      143.63  
   720x400      143.88  
   640x350      143.57

This command sometimes also displays the DVI-D but as disconnected. Not now after reboot and replug of the cable.

pacman -Q | grep nvidia

lib32-nvidia-utils 565.77-1
nvidia-dkms 565.77-2
nvidia-settings 565.57.01-1
nvidia-utils 565.77-2

Thanks for any tips/help/notes!
Have a nice day fellow nerds big_smile

Last edited by TomKo (2025-01-10 23:02:25)

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#2 2025-01-02 21:17:46

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

Are you sure the other output is connected to the nvidia GPU?
Add 

module_blacklist=amdgpu nvidia_drm.modeset=1 systemd.unit=multi-user.target

to the https://wiki.archlinux.org/title/Kernel_parameters (make sure you know how to edit them from the bootloader in case this goes south and you don't get to see any output) boot the system and run and post the output of 

for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done

You'll need https://aur.archlinux.org/packages/edid-decode-git

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#3 2025-01-04 20:41:29

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Hey!
Thanks for the reply and sorry for the late response, I've been out the town for the week.

I've noticed, that whenever I manage to get into TTY and run Hyprland within TTY, the second monitor turns on and works as expected. But this does not work when ran from Ly as Hyprland..

I've noticed the AUR repo being down so I've downloaded read-edid and modified your command accordingly.

This is what I've run before applying kernel parameters with the second monitor working.

for OUT in /sys/class/drm/card*; do echo $OUT; di-edid-decode $OUT/edid; echo "================="; done

/sys/class/drm/card0
failed to open input file: No such file or directory
=================
/sys/class/drm/card0-DP-1
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card0-DP-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card0-DVI-D-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card0-HDMI-A-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card0-HDMI-A-3
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card1
failed to open input file: No such file or directory
=================
/sys/class/drm/card1-DVI-D-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: GSM
    Model: 22136
    Serial Number: 13961 (0x00003689)
    Made in: week 3 of 2009
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 49 cm x 32 cm
    Gamma: 2.20
    DPMS levels: Standby Suspend Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6347, 0.3417
    Green: 0.2919, 0.6113
    Blue : 0.1474, 0.0703
    White: 0.3134, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    Apple   :   832x624    74.551266 Hz   4:3     49.726 kHz     57.284000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
    Apple   :  1152x870    75.061550 Hz 192:145   68.681 kHz    100.000000 MHz
  Standard Timings:
    DMT 0x2f:  1440x900    59.887445 Hz  16:10    55.935 kHz    106.500000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    DMT 0x20:  1280x960    60.000000 Hz   4:3     60.000 kHz    108.000000 MHz
    DMT 0x15:  1152x864    75.000000 Hz   4:3     67.500 kHz    108.000000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1680x1050   59.883253 Hz  16:10    64.674 kHz    119.000000 MHz (474 mm x 296 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   21 Vpol N
    DTD 2:  1680x1050   59.954250 Hz  16:10    65.290 kHz    146.250000 MHz (474 mm x 296 mm)
                 Hfront  104 Hsync 176 Hback  280 Hpol N
                 Vfront    3 Vsync   6 Vback   30 Vpol P
    Display Range Limits:
      Monitor ranges (GTF): 56-75 Hz V, 30-83 kHz H, max dotclock 150 MHz
    Display Product Name: 'W2242'
Checksum: 0xa9

----------------

Failures:

Block 0, Base EDID:
  Digital Video Interface Standard set to reserved value 0xea.
EDID conformity: FAIL
=================
/sys/class/drm/card1-HDMI-A-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: AOC
    Model: 9217
    Serial Number: 229441 (0x00038041)
    Made in: week 51 of 2020
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 52 cm x 29 cm
    Gamma: 2.20
    DPMS levels: Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6562, 0.3330
    Green: 0.3232, 0.6074
    Blue : 0.1455, 0.0683
    White: 0.3125, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    Apple   :   640x480    66.666667 Hz   4:3     35.000 kHz     30.240000 MHz
    DMT 0x05:   640x480    72.808802 Hz   4:3     37.861 kHz     31.500000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0a:   800x600    72.187572 Hz   4:3     48.077 kHz     50.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    Apple   :   832x624    74.551266 Hz   4:3     49.726 kHz     57.284000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x11:  1024x768    70.069359 Hz   4:3     56.476 kHz     75.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    GTF     :   640x480    99.999537 Hz   4:3     50.900 kHz     43.163000 MHz
    GTF     :   640x480   119.999084 Hz   4:3     61.800 kHz     52.406000 MHz
    GTF     :   800x600    99.999707 Hz   4:3     63.600 kHz     68.179000 MHz
    GTF     :   800x600   119.999886 Hz   4:3     77.160 kHz     83.950000 MHz
    GTF     :  1024x768   100.000177 Hz   4:3     81.400 kHz    113.309000 MHz
    GTF     :  1024x768   119.999931 Hz   4:3     98.760 kHz    139.054000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (521 mm x 293 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    DTD 2:  1920x1080  144.000765 Hz  16:9    158.113 kHz    325.080000 MHz (521 mm x 293 mm)
                 Hfront   24 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   10 Vpol P
    Display Product Name: '24G1WG4'
    Display Range Limits:
      Monitor ranges (GTF): 48-144 Hz V, 30-160 kHz H, max dotclock 300 MHz
  Extension blocks: 1
Checksum: 0x60

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Detailed Timing Descriptors:
    DTD 3:  1920x1080  119.982181 Hz  16:9    137.260 kHz    285.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   56 Vpol P
    DTD 4:  1920x1080   99.930409 Hz  16:9    113.221 kHz    235.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   45 Vpol P
    DTD 5:  1440x900    59.901458 Hz  16:10    55.469 kHz     88.750000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   17 Vpol N
    DTD 6:  1680x1050   59.883253 Hz  16:10    64.674 kHz    119.000000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   21 Vpol N
Checksum: 0xf1

----------------

EDID conformity: PASS
=================

I will now try out the kernel parameters, run the command and post here about the results.
Thanks in advance for making your time to help!
Cheers,
TomKo

Offline

#4 2025-01-04 20:57:07

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Interestingly enough, the previous way of starting Hyprland manually doesn't seem to work anymore for the second monitor.

Anyways, heres the output of that command with those given kernel parameters.

/sys/class/drm/card0 ================= /sys/class/drm/card0-DVI-D-1 ================= /sys/class/drm/card0-HDMI-A-1 Block 0, Base EDID: EDID Structure Version & Revision: 1.3 Vendor & Product Identification: Manufacturer: AOC Model: 9217 Serial Number: 229441 (0x00038041) Made in: week 51 of 2020 Basic Display Parameters & Features: Digital display Maximum image size: 52 cm x 29 cm Gamma: 2.20 DPMS levels: Off RGB color display First detailed timing is the preferred timing Color Characteristics: Red : 0.6562, 0.3330 Green: 0.3232, 0.6074 Blue : 0.1455, 0.0683 White: 0.3125, 0.3291 Established Timings I & II: IBM : 720x400 70.081663 Hz 9:5 31.467 kHz 28.320000 MHz DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz Apple : 640x480 66.666667 Hz 4:3 35.000 kHz 30.240000 MHz DMT 0x05: 640x480 72.808802 Hz 4:3 37.861 kHz 31.500000 MHz DMT 0x06: 640x480 75.000000 Hz 4:3 37.500 kHz 31.500000 MHz DMT 0x08: 800x600 56.250000 Hz 4:3 35.156 kHz 36.000000 MHz DMT 0x09: 800x600 60.316541 Hz 4:3 37.879 kHz 40.000000 MHz DMT 0x0a: 800x600 72.187572 Hz 4:3 48.077 kHz 50.000000 MHz DMT 0x0b: 800x600 75.000000 Hz 4:3 46.875 kHz 49.500000 MHz Apple : 832x624 74.551266 Hz 4:3 49.726 kHz 57.284000 MHz DMT 0x10: 1024x768 60.003840 Hz 4:3 48.363 kHz 65.000000 MHz DMT 0x11: 1024x768 70.069359 Hz 4:3 56.476 kHz 75.000000 MHz DMT 0x12: 1024x768 75.028582 Hz 4:3 60.023 kHz 78.750000 MHz DMT 0x24: 1280x1024 75.024675 Hz 5:4 79.976 kHz 135.000000 MHz Standard Timings: DMT 0x52: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz DMT 0x23: 1280x1024 60.019740 Hz 5:4 63.981 kHz 108.000000 MHz GTF : 640x480 99.999537 Hz 4:3 50.900 kHz 43.163000 MHz GTF : 640x480 119.999084 Hz 4:3 61.800 kHz 52.406000 MHz GTF : 800x600 99.999707 Hz 4:3 63.600 kHz 68.179000 MHz GTF : 800x600 119.999886 Hz 4:3 77.160 kHz 83.950000 MHz GTF : 1024x768 100.000177 Hz 4:3 81.400 kHz 113.309000 MHz GTF : 1024x768 119.999931 Hz 4:3 98.760 kHz 139.054000 MHz Detailed Timing Descriptors: DTD 1: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz (521 mm x 293 mm) Hfront 88 Hsync 44 Hback 148 Hpol P Vfront 4 Vsync 5 Vback 36 Vpol P DTD 2: 1920x1080 144.000765 Hz 16:9 158.113 kHz 325.080000 MHz (521 mm x 293 mm) Hfront 24 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 5 Vback 10 Vpol P Display Product Name: '24G1WG4' Display Range Limits: Monitor ranges (GTF): 48-144 Hz V, 30-160 kHz H, max dotclock 300 MHz Extension blocks: 1 Checksum: 0x60 ---------------- Block 1, CTA-861 Extension Block: Revision: 3 Underscans IT Video Formats by default Basic audio support Supports YCbCr 4:4:4 Supports YCbCr 4:2:2 Native detailed modes: 1 Video Data Block: VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz VIC 31: 1920x1080 50.000000 Hz 16:9 56.250 kHz 148.500000 MHz VIC 5: 1920x1080i 60.000000 Hz 16:9 33.750 kHz 74.250000 MHz VIC 20: 1920x1080i 50.000000 Hz 16:9 28.125 kHz 74.250000 MHz VIC 4: 1280x720 60.000000 Hz 16:9 45.000 kHz 74.250000 MHz VIC 19: 1280x720 50.000000 Hz 16:9 37.500 kHz 74.250000 MHz VIC 3: 720x480 59.940060 Hz 16:9 31.469 kHz 27.000000 MHz VIC 18: 720x576 50.000000 Hz 16:9 31.250 kHz 27.000000 MHz VIC 2: 720x480 59.940060 Hz 4:3 31.469 kHz 27.000000 MHz VIC 17: 720x576 50.000000 Hz 4:3 31.250 kHz 27.000000 MHz VIC 1: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz VIC 63: 1920x1080 120.000000 Hz 16:9 135.000 kHz 297.000000 MHz Audio Data Block: Linear PCM: Max channels: 2 Supported sample rates (kHz): 48 44.1 32 Supported sample sizes (bits): 24 20 16 Speaker Allocation Data Block: FL/FR - Front Left/Right Detailed Timing Descriptors: DTD 3: 1920x1080 119.982181 Hz 16:9 137.260 kHz 285.500000 MHz (521 mm x 293 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 5 Vback 56 Vpol P DTD 4: 1920x1080 99.930409 Hz 16:9 113.221 kHz 235.500000 MHz (521 mm x 293 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 5 Vback 45 Vpol P DTD 5: 1440x900 59.901458 Hz 16:10 55.469 kHz 88.750000 MHz (521 mm x 293 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 6 Vback 17 Vpol N DTD 6: 1680x1050 59.883253 Hz 16:10 64.674 kHz 119.000000 MHz (521 mm x 293 mm) Hfront 48 Hsync 32 Hback 80 Hpol P Vfront 3 Vsync 6 Vback 21 Vpol N Checksum: 0xf1 ---------------- EDID conformity: PASS =================
/sys/class/drm/card0
=================
/sys/class/drm/card0-DVI-D-1
=================
/sys/class/drm/card0-HDMI-A-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: AOC
    Model: 9217
    Serial Number: 229441 (0x00038041)
    Made in: week 51 of 2020
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 52 cm x 29 cm
    Gamma: 2.20
    DPMS levels: Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6562, 0.3330
    Green: 0.3232, 0.6074
    Blue : 0.1455, 0.0683
    White: 0.3125, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    Apple   :   640x480    66.666667 Hz   4:3     35.000 kHz     30.240000 MHz
    DMT 0x05:   640x480    72.808802 Hz   4:3     37.861 kHz     31.500000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0a:   800x600    72.187572 Hz   4:3     48.077 kHz     50.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    Apple   :   832x624    74.551266 Hz   4:3     49.726 kHz     57.284000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x11:  1024x768    70.069359 Hz   4:3     56.476 kHz     75.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    GTF     :   640x480    99.999537 Hz   4:3     50.900 kHz     43.163000 MHz
    GTF     :   640x480   119.999084 Hz   4:3     61.800 kHz     52.406000 MHz
    GTF     :   800x600    99.999707 Hz   4:3     63.600 kHz     68.179000 MHz
    GTF     :   800x600   119.999886 Hz   4:3     77.160 kHz     83.950000 MHz
    GTF     :  1024x768   100.000177 Hz   4:3     81.400 kHz    113.309000 MHz
    GTF     :  1024x768   119.999931 Hz   4:3     98.760 kHz    139.054000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (521 mm x 293 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    DTD 2:  1920x1080  144.000765 Hz  16:9    158.113 kHz    325.080000 MHz (521 mm x 293 mm)
                 Hfront   24 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   10 Vpol P
    Display Product Name: '24G1WG4'
    Display Range Limits:
      Monitor ranges (GTF): 48-144 Hz V, 30-160 kHz H, max dotclock 300 MHz
  Extension blocks: 1
Checksum: 0x60

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Detailed Timing Descriptors:
    DTD 3:  1920x1080  119.982181 Hz  16:9    137.260 kHz    285.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   56 Vpol P
    DTD 4:  1920x1080   99.930409 Hz  16:9    113.221 kHz    235.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   45 Vpol P
    DTD 5:  1440x900    59.901458 Hz  16:10    55.469 kHz     88.750000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   17 Vpol N
    DTD 6:  1680x1050   59.883253 Hz  16:10    64.674 kHz    119.000000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   21 Vpol N
Checksum: 0xf1

----------------

EDID conformity: PASS
=================

And once more for comparison,
heres the output of the command, but with Hyprland running just with the on screen.

/sys/class/drm/card0
failed to open input file: No such file or directory
=================
/sys/class/drm/card0-DVI-D-1
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card0-HDMI-A-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: AOC
    Model: 9217
    Serial Number: 229441 (0x00038041)
    Made in: week 51 of 2020
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 52 cm x 29 cm
    Gamma: 2.20
    DPMS levels: Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6562, 0.3330
    Green: 0.3232, 0.6074
    Blue : 0.1455, 0.0683
    White: 0.3125, 0.3291
  Established Timings I & II:
    IBM     :   720x400    70.081663 Hz   9:5     31.467 kHz     28.320000 MHz
    DMT 0x04:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    Apple   :   640x480    66.666667 Hz   4:3     35.000 kHz     30.240000 MHz
    DMT 0x05:   640x480    72.808802 Hz   4:3     37.861 kHz     31.500000 MHz
    DMT 0x06:   640x480    75.000000 Hz   4:3     37.500 kHz     31.500000 MHz
    DMT 0x08:   800x600    56.250000 Hz   4:3     35.156 kHz     36.000000 MHz
    DMT 0x09:   800x600    60.316541 Hz   4:3     37.879 kHz     40.000000 MHz
    DMT 0x0a:   800x600    72.187572 Hz   4:3     48.077 kHz     50.000000 MHz
    DMT 0x0b:   800x600    75.000000 Hz   4:3     46.875 kHz     49.500000 MHz
    Apple   :   832x624    74.551266 Hz   4:3     49.726 kHz     57.284000 MHz
    DMT 0x10:  1024x768    60.003840 Hz   4:3     48.363 kHz     65.000000 MHz
    DMT 0x11:  1024x768    70.069359 Hz   4:3     56.476 kHz     75.000000 MHz
    DMT 0x12:  1024x768    75.028582 Hz   4:3     60.023 kHz     78.750000 MHz
    DMT 0x24:  1280x1024   75.024675 Hz   5:4     79.976 kHz    135.000000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    DMT 0x23:  1280x1024   60.019740 Hz   5:4     63.981 kHz    108.000000 MHz
    GTF     :   640x480    99.999537 Hz   4:3     50.900 kHz     43.163000 MHz
    GTF     :   640x480   119.999084 Hz   4:3     61.800 kHz     52.406000 MHz
    GTF     :   800x600    99.999707 Hz   4:3     63.600 kHz     68.179000 MHz
    GTF     :   800x600   119.999886 Hz   4:3     77.160 kHz     83.950000 MHz
    GTF     :  1024x768   100.000177 Hz   4:3     81.400 kHz    113.309000 MHz
    GTF     :  1024x768   119.999931 Hz   4:3     98.760 kHz    139.054000 MHz
  Detailed Timing Descriptors:
    DTD 1:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz (521 mm x 293 mm)
                 Hfront   88 Hsync  44 Hback  148 Hpol P
                 Vfront    4 Vsync   5 Vback   36 Vpol P
    DTD 2:  1920x1080  144.000765 Hz  16:9    158.113 kHz    325.080000 MHz (521 mm x 293 mm)
                 Hfront   24 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   10 Vpol P
    Display Product Name: '24G1WG4'
    Display Range Limits:
      Monitor ranges (GTF): 48-144 Hz V, 30-160 kHz H, max dotclock 300 MHz
  Extension blocks: 1
Checksum: 0x60

----------------

Block 1, CTA-861 Extension Block:
  Revision: 3
  Underscans IT Video Formats by default
  Basic audio support
  Supports YCbCr 4:4:4
  Supports YCbCr 4:2:2
  Native detailed modes: 1
  Video Data Block:
    VIC  16:  1920x1080   60.000000 Hz  16:9     67.500 kHz    148.500000 MHz
    VIC  31:  1920x1080   50.000000 Hz  16:9     56.250 kHz    148.500000 MHz
    VIC   5:  1920x1080i  60.000000 Hz  16:9     33.750 kHz     74.250000 MHz
    VIC  20:  1920x1080i  50.000000 Hz  16:9     28.125 kHz     74.250000 MHz
    VIC   4:  1280x720    60.000000 Hz  16:9     45.000 kHz     74.250000 MHz
    VIC  19:  1280x720    50.000000 Hz  16:9     37.500 kHz     74.250000 MHz
    VIC   3:   720x480    59.940060 Hz  16:9     31.469 kHz     27.000000 MHz
    VIC  18:   720x576    50.000000 Hz  16:9     31.250 kHz     27.000000 MHz
    VIC   2:   720x480    59.940060 Hz   4:3     31.469 kHz     27.000000 MHz
    VIC  17:   720x576    50.000000 Hz   4:3     31.250 kHz     27.000000 MHz
    VIC   1:   640x480    59.940476 Hz   4:3     31.469 kHz     25.175000 MHz
    VIC  63:  1920x1080  120.000000 Hz  16:9    135.000 kHz    297.000000 MHz
  Audio Data Block:
    Linear PCM:
      Max channels: 2
      Supported sample rates (kHz): 48 44.1 32
      Supported sample sizes (bits): 24 20 16
  Speaker Allocation Data Block:
    FL/FR - Front Left/Right
  Detailed Timing Descriptors:
    DTD 3:  1920x1080  119.982181 Hz  16:9    137.260 kHz    285.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   56 Vpol P
    DTD 4:  1920x1080   99.930409 Hz  16:9    113.221 kHz    235.500000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   5 Vback   45 Vpol P
    DTD 5:  1440x900    59.901458 Hz  16:10    55.469 kHz     88.750000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   17 Vpol N
    DTD 6:  1680x1050   59.883253 Hz  16:10    64.674 kHz    119.000000 MHz (521 mm x 293 mm)
                 Hfront   48 Hsync  32 Hback   80 Hpol P
                 Vfront    3 Vsync   6 Vback   21 Vpol N
Checksum: 0xf1

----------------

EDID conformity: PASS
=================
/sys/class/drm/card1
failed to open input file: No such file or directory
=================
/sys/class/drm/card1-DP-1
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card1-DP-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card1-DVI-D-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card1-HDMI-A-2
di_edid_parse failed: Invalid argument
=================
/sys/class/drm/card1-HDMI-A-3
di_edid_parse failed: Invalid argument
=================

Cheers!

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#5 2025-01-04 21:15:59

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

Ok, both outputs are connected to /sys/class/drm/card1

But this does not work when ran from Ly as Hyprland

Cut out ly for these tests, it's a horrible DM that breaks logind integration what means you'll liekly ending up lacking access permissions to several device nodes.
You can revisit and focus on getting that to work once the main situation has been sorted out while starting Hyprland from a console login.

heres the output of that command with those given kernel parameters

The (expectable) change is that card1 is now card0 because card0 is gone wink
But also card0-DVI-D-1 is gone?

heres the output of the command, but with Hyprland running just with the on screen.

Do you somehow manually transcribe these?
Don't!
Redirect them into files and/or 0x0.st

You might have to inject the edid, what means to first copy it from a boot where it shows up.
https://wiki.archlinux.org/title/Kernel … s_and_EDID
Unfortunately read-edid doesn't print the edid as hexadcimal block, otherwise we could have reconstructed it from there.


Sidebar:

I've noticed the AUR repo being down

I was about to throw a tantrum about somebody going for an asinine package deletion spree, but https://git.linuxtv.org/edid-decode.git/commit/
Just hasn't arrived in https://archlinux.org/packages/extra/x86_64/v4l-utils/ (yet)
smile

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#6 2025-01-04 22:35:56

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

I've redirected the output from that command to file and copied its contents later on..
Given the tool not being able to print HEX, should I generate the edid stuff as shown in the wiki link, for you to check out?

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#7 2025-01-04 22:42:41

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

If the edid actually shows up w/ a boot you can just copy it.

cp /sys/class/drm/card0-DVI-D-1/edid /some/place/edid.bin

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#8 2025-01-04 22:48:01

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Sorry if I'm just a dummey, but my edid placed at 

/sys/class/drm/card0-DVI-D-1/edid

  has  0 bytes.

Am I somehow supposed to generate it? big_smile
Sorry for such questions.. big_smile

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#9 2025-01-07 20:18:50

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Hey there!
For some reason suspending my computer and turning it back on makes the second monitor turn on!
No clue why that is..

Do you guys have any further tricks on potentional fixes?
Thanks and cheers!

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#10 2025-01-07 20:42:31

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

Can you now copy the edid ?
(It's likely only gonna be > 0B when the output actually works - which is why we want to extract and later inject it)

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#11 2025-01-08 15:56:37

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

I've checked every single subfolder of /sys/class/drm/ and yet failed to find even a single edid file that wasn't empty..
I guess it didn't get generated as I didn't actually boot, rather than just suspended (made my PC sleep).

I've found this GitHub repository. Perhaps I could just use one of those files?

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#12 2025-01-08 17:04:01

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

The edid had been accessed before?

/sys/class/drm/card1-DVI-D-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: GSM
    Model: 22136
    Serial Number: 13961 (0x00003689)
    Made in: week 3 of 2009
  Basic Display Parameters & Features:
…
/sys/class/drm/card0-HDMI-A-1
Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: AOC
    Model: 9217
    Serial Number: 229441 (0x00038041)
    Made in: week 51 of 2020
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 52 cm x 29 cm
    Gamma: 2.20
    DPMS levels: Off
    RGB color display
    First detailed timing is the preferred timing
  Color Characteristics:
    Red  : 0.6562, 0.3330
    Green: 0.3232, 0.6074
    Blue : 0.1455, 0.0683
    White: 0.3125, 0.3291

Also nb. that you cannot infer the validity with "du" etc. - it'll always show 0 bytes. But copying it out of the sysfs will create an ~4kB big file.

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#13 2025-01-08 19:38:57

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

I've never even heard of edid, therefore I personally did not access it. Perhaps the system did, but no clue during what task it would.

I've copied out the EDID but still ls -la lists size as 0B, catting out the file shows nothing, file edid.bin shows it's empty.

And with that edid you've sent me, should I copy that and modify it accordingly to mine setup and afterwards set it to the bin somehow?

I've also noticed the card0-DVI-D-1 renaming to card0-DVI-D-2 for some reason, even tho the card has just one DVI-D port..

Once again sorry if I'm repeating some common stuff or not getting what you mean big_smile

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#14 2025-01-08 20:48:46

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

mkdir /tmp/edids
for OUT in /sys/class/drm/card*; do cp $OUT/edid /tmp/edids/$(basename $OUT).edid; done
ls -l /tmp/edids

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#15 2025-01-09 15:59:21

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Saved those edid that were > 0 into /usr/lib/firmware/edid/..
I've set these kernel parameters:

GRUB_CMDLINE_LINUX="zswap.enabled=0 rootfstype=ext4 drm.edid_firmware=DVI-D-1:edid/DVI-D.bin,HDMI-A-1:edid/HDMI-A-1.bin"

as for initframs

MODULES=(usbhid xhci_hcd nvidia nvidia_modeset nvidia_uvm nvidia_drm)
BINARIES=()
FILES=(/usr/lib/firmware/edid/DVI-D.bin /usr/lib/firmware/edid/HDMI-A-1.bin)
HOOKS=(base udev autodetect microcode modconf keyboard keymap consolefont block filesystems  fsck)

yet after reboot I still was left on "Starting systemd-udevd version 2.."
second monitor still doesn't turn on even when launching Hyprland via TTY..

perhaps I've done some of this EDID stuff wrong?
I've been reading through this wiki page https://wiki.archlinux.org/title/Kernel … s_and_EDID

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#16 2025-01-09 16:51:29

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

I've set these kernel parameters:

Did you regenerate the grub.cfg? Editing /etc/default/grub does nothing by itself - same goes for /etc/mkinitcpio.conf

You can "cat /proc/cmdline" to see whether your changes we applied.
And check the system journal for complaints about the provided EDIDs

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#17 2025-01-09 17:30:39

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

I did update grub.cfg and ran mkinitcpio -P aswell (no errors in sight)
I've ran

journactl | grep edid

all I can see is me copying the EDIDs using terminal..

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#18 2025-01-09 19:47:55

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

Please post your complete system journal for the boot: 

sudo journalctl -b | curl -F 'file=@-' 0x0.st

and 

cat /proc/cmdline

You have to be in an elevated group or use sudo to see the system journal w/ journalctl, but if edid doesn't show up in that, you're not applying those kernel parameters.

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#19 2025-01-09 20:47:16

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

http://0x0.st/8-BU.txt

cat /proc/cmdline


BOOT_IMAGE=/vmlinuz-linux root=UUID=07cbf205-a1d8-4016-a8f0-49fd6c74e7b5 rw zswap.enabled=0 rootfstype=ext4 drm.edid_firmware=DVI-D-1:edid/DVI-D.bin,HDMI-A-1:edid/HDMI-A-1.bin loglevel=1

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#20 2025-01-09 22:03:55

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

It's there.

sudo ls /sys/kernel/debug/dri/{0,1,2}

And try to add "nvidia_drm.modeset=1 nvidia_drm.fbdev=0" to the kernel parameters.
You pretty much for sure what to get rid of the simpledrm device and disbaling fbdev doesn't really fit the symptoms but is worth a shot (also because the symptoms aren't super-clear wink

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#21 2025-01-10 15:58:33

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

sudo ls /sys/kernel/debug/dri/{0,1,2}        
[sudo] password for tomko: 
ls: cannot access '/sys/kernel/debug/dri/2': No such file or directory
/sys/kernel/debug/dri/0:
amdgpu_benchmark			amdgpu_gfxoff_count	amdgpu_ring_vce1
amdgpu_discovery			amdgpu_gfxoff_residency  amdgpu_ring_vce2
amdgpu_dm_capabilities			amdgpu_gfxoff_status	amdgpu_sa_info
amdgpu_dm_dcc_en			amdgpu_gpr		amdgpu_sensors
amdgpu_dm_disable_hpd			amdgpu_gprwave		amdgpu_smu_debug
amdgpu_dm_dmcub_trace_event_en		amdgpu_gpu_recover	amdgpu_test_ib
amdgpu_dm_dmub_fw_state			amdgpu_gtt_mm		amdgpu_vbios
amdgpu_dm_dmub_tracebuffer		amdgpu_gws_mm		amdgpu_vm_info
amdgpu_dm_dmub_trace_mask		amdgpu_iomem		amdgpu_vram
amdgpu_dm_dp_ignore_cable_id		amdgpu_mqd_comp_1.0.0	amdgpu_vram_mm
amdgpu_dm_dp_set_mst_en_for_sst		amdgpu_mqd_comp_1.0.1	amdgpu_wave
amdgpu_dm_dtn_log			amdgpu_mqd_comp_1.1.0	clients
amdgpu_dm_force_timing_sync		amdgpu_mqd_comp_1.1.1	crtc-0
amdgpu_dm_skip_detection_link_training	amdgpu_mqd_comp_1.2.0	crtc-1
amdgpu_dm_trigger_hpd_mst		amdgpu_mqd_comp_1.2.1	crtc-2
amdgpu_dm_visual_confirm		amdgpu_mqd_comp_1.3.0	crtc-3
amdgpu_error_comp_1.0.0			amdgpu_mqd_comp_1.3.1	crtc-4
amdgpu_error_comp_1.0.1			amdgpu_mqd_kiq_0.2.1.0	crtc-5
amdgpu_error_comp_1.1.0			amdgpu_mst_topology	DP-1
amdgpu_error_comp_1.1.1			amdgpu_oa_mm		DP-2
amdgpu_error_comp_1.2.0			amdgpu_pm_info		DVI-D-2
amdgpu_error_comp_1.2.1			amdgpu_preempt_ib	encoder-0
amdgpu_error_comp_1.3.0			amdgpu_regs		encoder-1
amdgpu_error_comp_1.3.1			amdgpu_regs2		encoder-10
amdgpu_error_gfx			amdgpu_regs_didt	encoder-2
amdgpu_error_kiq_0.2.1.0		amdgpu_regs_pcie	encoder-3
amdgpu_error_sdma0			amdgpu_regs_smc		encoder-4
amdgpu_error_sdma1			amdgpu_ring_comp_1.0.0	encoder-5
amdgpu_error_uvd			amdgpu_ring_comp_1.0.1	encoder-6
amdgpu_error_uvd_enc0			amdgpu_ring_comp_1.1.0	encoder-7
amdgpu_error_uvd_enc1			amdgpu_ring_comp_1.1.1	encoder-8
amdgpu_error_vce0			amdgpu_ring_comp_1.2.0	encoder-9
amdgpu_error_vce1			amdgpu_ring_comp_1.2.1	framebuffer
amdgpu_error_vce2			amdgpu_ring_comp_1.3.0	gem_names
amdgpu_evict_gtt			amdgpu_ring_comp_1.3.1	HDMI-A-2
amdgpu_evict_vram			amdgpu_ring_gfx		HDMI-A-3
amdgpu_fence_info			amdgpu_ring_kiq_0.2.1.0  internal_clients
amdgpu_firmware_info			amdgpu_ring_sdma0	name
amdgpu_force_sclk			amdgpu_ring_sdma1	state
amdgpu_gca_config			amdgpu_ring_uvd		ta_if
amdgpu_gds_mm				amdgpu_ring_uvd_enc0	ttm_page_pool
amdgpu_gem_info				amdgpu_ring_uvd_enc1
amdgpu_gfxoff				amdgpu_ring_vce0

/sys/kernel/debug/dri/1:
clients  crtc-1   encoder-0  framebuffer  HDMI-A-1	   name
crtc-0	DVI-D-1  encoder-1  gem_names	 internal_clients  stat

Will now try the additional parameters and post again smile

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#22 2025-01-10 16:01:54

TomKo
Member
Registered: 2025-01-02
Posts: 17

Re: [SOLVED] No output untill I unplug second monitor

Oh... my...
I did boot with these kernel parameters before with no effect.. yet now it just booted as it should yikes

Thanks so much for the help man!
Take care.

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#23 2025-01-10 16:03:40

seth
Member
Registered: 2012-09-03
Posts: 60,768

Re: [SOLVED] No output untill I unplug second monitor

Hold your horses.
See whether the behavior remains reliable.


But - if so, please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.

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