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#1 2023-11-14 20:02:34

OsakiTsukiko
Member
Registered: 2023-05-06
Posts: 17

[SOLVED] External display recognized by DE but no output

External display is recognized by the DE (gnome) with name and everything but there's no output from the HDMI (the monitor going into standby)
OS: Arch Linux x86_64
Host: ASUS TUF Gaming A15 FA507RC_FA507RC 1.0
Kernel: 6.1.62-1-lts
CPU: AMD Ryzen 7 6800H with Radeon Graphics (16) @ 3.200GHz
GPU: NVIDIA GeForce RTX 3050 Mobile
GPU: AMD ATI Radeon 680M
(I also have optimus-manager installed and set to hybrid)
this issue started after i used my laptop without the external display for a few days, no idea if any packages were updated (also the laptop did experience some random restarts in that time so idk if it might be related to that)

Last edited by OsakiTsukiko (2023-11-18 19:07:36)

- Thanks, Osaki.

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#2 2023-11-14 20:41:49

seth
Member
Registered: 2012-09-03
Posts: 57,219

Re: [SOLVED] External display recognized by DE but no output

no idea if any packages were updated

It's safe to assume that your pacman log knows.

Is this on X11 or wayland?
b/c of the hybrid graphics, presumignly X11?

xrandr --listproviders
xrandr -q

And please post your Xorg log, https://wiki.archlinux.org/title/Xorg#General

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#3 2023-11-14 21:36:12

OsakiTsukiko
Member
Registered: 2023-05-06
Posts: 17

Re: [SOLVED] External display recognized by DE but no output

> Is this on X11 or wayland?
X11

> xrandr --listproviders

Providers: number : 2
Provider 0: id: 0x4b cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 4 outputs: 9 associated providers: 1 name:modesetting
Provider 1: id: 0x283 cap: 0x2, Sink Output crtcs: 4 outputs: 4 associated providers: 1 name:NVIDIA-G0

> xrandr -q

Screen 0: minimum 320 x 200, current 3600 x 1080, maximum 16384 x 16384
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
   1920x1080    144.00*+ 120.04    96.00    72.00    60.02    50.00    48.00    59.97    59.96    60.00    59.93  
   1680x1050    144.00    59.95    59.88  
   1400x1050     74.76    59.98  
   1600x900      59.99    59.94    59.95    59.82  
   1280x1024    144.00    85.02    75.02    60.02  
   1440x900     144.00  
   1400x900      59.96    59.88  
   1280x960      85.00    60.00  
   1440x810      60.00    59.97  
   1368x768      59.88    59.85  
   1280x800     144.00    59.99    59.97    59.81    59.91  
   1152x864      75.00  
   1280x720     144.00    60.00    59.99    59.86    59.74  
   1024x768     144.00    85.00    75.05    60.04    85.00    75.03    70.07    60.00  
   1024x768i     86.96  
   960x720       85.00    75.00    60.00  
   928x696       75.00    60.05  
   896x672       75.05    60.01  
   1024x576      59.95    59.96    59.90    59.82  
   960x600       59.93    60.00  
   832x624       74.55  
   960x540       59.96    59.99    59.63    59.82  
   800x600      144.00    85.00    75.00    70.00    65.00    60.00    85.14    72.19    75.00    60.32    56.25  
   840x525       60.01    59.88  
   864x486       59.92    59.57  
   700x525       74.76    59.98  
   800x450       59.95    59.82  
   640x512       85.02    75.02    60.02  
   700x450       59.96    59.88  
   640x480      144.00    85.09    60.00    85.01    72.81    75.00    59.94  
   720x405       59.51    58.99  
   720x400       85.04  
   684x384       59.88    59.85  
   640x400       59.88    59.98    85.08  
   576x432       75.00  
   640x360       59.86    59.83    59.84    59.32  
   640x350       85.08  
   512x384       85.00    75.03    70.07    60.00  
   512x384i      87.06  
   512x288       60.00    59.92  
   416x312       74.66  
   480x270       59.63    59.82  
   400x300       85.27    72.19    75.12    60.32    56.34  
   432x243       59.92    59.57  
   320x240       85.18    72.81    75.00    60.05  
   360x202       59.51    59.13  
   360x200       85.04  
   320x200       85.27  
   320x180       59.84    59.32  
   320x175       85.27  
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)
DP-6 disconnected (normal left inverted right x axis y axis)
DP-7 disconnected (normal left inverted right x axis y axis)
DP-8 disconnected (normal left inverted right x axis y axis)
DP-1-0 disconnected (normal left inverted right x axis y axis)
DP-1-1 disconnected (normal left inverted right x axis y axis)
DP-1-2 disconnected (normal left inverted right x axis y axis)
HDMI-1-0 connected 1680x1050+1920+0 (normal left inverted right x axis y axis) 430mm x 270mm
   1680x1050     59.88*+  59.95  
   1280x1024     75.02    60.02  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
  1680x1050 (0x59) 119.000MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1680x1050 (0x58) 146.250MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  65.29KHz
        v: height 1050 start 1053 end 1059 total 1089           clock  59.95Hz
  1280x1024 (0x62) 135.000MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock  79.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  75.02Hz
  1280x1024 (0x63) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1152x864 (0x72) 108.000MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock  67.50KHz
        v: height  864 start  865 end  868 total  900           clock  75.00Hz
  1024x768 (0x7d) 78.750MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock  60.02KHz
        v: height  768 start  769 end  772 total  800           clock  75.03Hz
  1024x768 (0x7f) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  800x600 (0x9b) 49.500MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock  46.88KHz
        v: height  600 start  601 end  604 total  625           clock  75.00Hz
  800x600 (0x9c) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  640x480 (0xb0) 31.500MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock  37.50KHz
        v: height  480 start  481 end  484 total  500           clock  75.00Hz
  640x480 (0xb1) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz

> And please post your Xorg log, https://wiki.archlinux.org/title/Xorg#General
/var/log/Xorg.0.log : https://pastebin.com/3XMnG4uS
/var/log/Xorg.0.log : https://pastebin.com/59GLrvzu
journalctl gdm logs since yesterday https://pastebin.com/9cKDduRM
(i would post all logs for today, but pastebin becomes unresponsive)

- Thanks, Osaki.

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#4 2023-11-14 22:02:32

seth
Member
Registered: 2012-09-03
Posts: 57,219

Re: [SOLVED] External display recognized by DE but no output

(i would post all logs for today, but pastebin becomes unresponsive)

1st link below

[    50.365] (II) NVIDIA(G0): Validated MetaModes:
[    50.365] (II) NVIDIA(G0):     "NULL"
[    50.365] (II) NVIDIA(G0): Virtual screen size determined to be 640 x 480
[    50.513] (WW) NVIDIA(G0): Cannot find size of first mode for Ancor Communications Inc
[    50.513] (WW) NVIDIA(G0):     ASUS VW193D (DFP-3); cannot compute DPI from Ancor
[    50.513] (WW) NVIDIA(G0):     Communications Inc ASUS VW193D (DFP-3)'s EDID.
…
[    51.080] (II) modeset(0): Allocate new frame buffer 3360x1080 stride
[    51.103] randr: failed to create shared pixmap
[    51.103] (EE) NVIDIA(G0): Failed to configure Reverse PRIME on output HDMI-1-0.
[    48.675] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=383f28ec-c368-4e29-b413-c0edc1afa803 rw loglevel=3 quiet

Enable https://wiki.archlinux.org/title/NVIDIA … de_setting and report back (in doubt w/ an updated xorg log)

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#5 2023-11-18 19:06:17

OsakiTsukiko
Member
Registered: 2023-05-06
Posts: 17

Re: [SOLVED] External display recognized by DE but no output

Sorry, I had a few exams and didn't have much time to test it. I changed the HDMI cable today and it seems to now. (This kind of surprised me as I thought it was related to the GPU (having unresolved issues with it prior and even the same display not working issues). Thanks for the help.

- Thanks, Osaki.

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