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Hi everyone, I'm trying to run Sunshine in headless mode. I'm a Sunshine beginner and have purchased a dummy HDMI plug, which I want Sunshine to use. My current setup is Arch Linux with i3—no external display manager, just starting X directly to launch i3.
xrandr
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 16384 x 16384
eDP-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 344mm x 215mm
1920x1200 60.10*+ 59.88 59.95 40.06
1920x1080 60.01 59.97 59.96 59.93
..
...
HDMI-1-0 connected (normal left inverted right x axis y axis)
3840x2160 59.98 + 59.94 50.00 29.97 25.00 23.98
4096x2160 59.94 50.00 29.97 25.00 24.00 23.98
1920x1080 120.00 100.00 60.00 60.00 59.94 50.00 29.97 25.00 23.98
sunshine start logs ( i don't have any config, starting with defaults)
[2025-09-09 19:57:06.968436] [0x00007ff741659000] [info] config: 'wan_encryption_mode' = 0
[2025-09-09 19:57:06.968461] [0x00007ff741659000] [info] config: 'output_name' = 8
[2025-09-09 19:57:06.968464] [0x00007ff741659000] [info] config: 'adapter_name' = /dev/dri/card1
[2025-09-09 19:57:06.968]: Info: Sunshine version: 2025.628.4510
[2025-09-09 19:57:06.968]: Info: Package Publisher: Third Party Publisher
[2025-09-09 19:57:06.968]: Info: Publisher Website:
[2025-09-09 19:57:06.968]: Info: Get support: https://app.lizardbyte.dev/support
[2025-09-09 19:57:06.968]: Info: config: 'adapter_name' = /dev/dri/card1
[2025-09-09 19:57:06.968]: Info: config: 'output_name' = 8
[2025-09-09 19:57:06.968]: Info: config: 'wan_encryption_mode' = 0
(sunshine:14252): libayatana-appindicator-WARNING **: 19:57:06.972: libayatana-appindicator is deprecated. Please use libayatana-appindicator-glib in newly written code.
[2025-09-09 19:57:06.999]: Info: System tray created
(sunshine:14252): Gdk-CRITICAL **: 19:57:07.120: gdk_window_thaw_toplevel_updates: assertion 'window->update_and_descendants_freeze_count > 0' failed
[2025-09-09 19:57:07.164]: Error: Failed to get NvFBC status: Unable to get X driver status
[2025-09-09 19:57:07.190]: Error: Couldn't release NvFBC context from current thread: Unable to get X driver status
[2025-09-09 19:57:07.190]: Info: /dev/dri/card2 -> i915
[2025-09-09 19:57:07.190]: Info: /dev/dri/card1 -> nvidia-drm
[2025-09-09 19:57:07.190]: Error: Environment variable WAYLAND_DISPLAY has not been defined
[2025-09-09 19:57:07.190]: Info: Detecting displays
[2025-09-09 19:57:07.294]: Info: Detected display: eDP-1 (id: 0)eDP-1 connected: true
[2025-09-09 19:57:07.294]: Info: Detected display: DP-4 (id: 1)DP-4 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: DP-5 (id: 2)DP-5 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: DP-6 (id: 3)DP-6 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: HDMI-2 (id: 4)HDMI-2 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: HDMI-3 (id: 5)HDMI-3 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: DP-1-0 (id: 6)DP-1-0 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: DP-1-1 (id: 7)DP-1-1 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: HDMI-1-0 (id: 8)HDMI-1-0 connected: true
[2025-09-09 19:57:07.294]: Info: Detected display: DP-1-2 (id: 9)DP-1-2 connected: false
[2025-09-09 19:57:07.294]: Info: Detected display: DP-1-3 (id: 10)DP-1-3 connected: false
[2025-09-09 19:57:07.320]: Warning: Gamepad ds5 is disabled due to Permission denied
It clearly shows that HDMI with ID 8 was detected, but when I try to connect from Moonlight, I get the following error:
If I set the display number to 0, it works, but it just streams my main laptop screen. What I want is to hide my laptop’s primary screen and run Sunshine on a separate virtual display.
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LizardByte
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Hi everyone, I'm trying to run Sunshine in headless mode. I'm a Sunshine beginner and have purchased a dummy HDMI plug, which I want Sunshine to use. My current setup is Arch Linux with i3—no external display manager, just starting X directly to launch i3.
xrandr Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 16384 x 16384 eDP-1 connected primary 1920x1200+0+0 (normal left inverted right x axis y axis) 344mm x 215mm 1920x1200 60.10*+ 59.88 59.95 40.06 1920x1080 60.01 59.97 59.96 59.93 .. ... HDMI-1-0 connected (normal left inverted right x axis y axis) 3840x2160 59.98 + 59.94 50.00 29.97 25.00 23.98 4096x2160 59.94 50.00 29.97 25.00 24.00 23.98 1920x1080 120.00 100.00 60.00 60.00 59.94 50.00 29.97 25.00 23.98sunshine start logs ( i don't have any config, starting with defaults)
It clearly shows that HDMI with ID 8 was detected, but when I try to connect from Moonlight, I get the following error:
If I set the display number to 0, it works, but it just streams my main laptop screen. What I want is to hide my laptop’s primary screen and run Sunshine on a separate virtual display.
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