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Instructions to fix desktop freezing when launching SteamVR

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Glax
2025-10-01 16:15:07 +00:00
committed by hypevhs
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content/docs/hardware/_index.md
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@@ -115,6 +115,16 @@ A non-comprehensive table of various VR/XR devices and the drivers that support
- Eyetrack VR and Project Babble will both be implemented through [oscavmgr](https://github.com/galister/oscavmgr) to emit proper unified flexes over OSC.
- Tracking technologies can be mixed Monado/WiVRn by using [motoc](https://github.com/galister/motoc).
### Desktop hangs on start of SteamVR or Monado
Symptoms:
- When starting the SteamVR or Monado for the first time, the desktop freezes and after 15 seconds the SteamVR window is open but the Headset does not show a picture.
- Restarting SteamVR solves this.
- Unplugging the headset and plugging it back in solves this.
- `dmesg | grep amdgpu` prints a line containing `ERROR dc_stream_state is NULL for crtc '1'!` (or some other number).
This is a regression with the current RADV driver. A kernel patch is available [on this GitLab issue](https://gitlab.freedesktop.org/drm/amd/-/issues/1856#note_2836580). See the section on [how to apply a kernel patch](#applying-a-kernel-patch-for-vive-pro-2-bigscreen-beyond-pimax).
## Applying a kernel patch (for Vive Pro 2, Bigscreen Beyond, Pimax)
### Arch