Vivecraft Fail to enable VR Mode

[Lite5h4dow]

hi,
ive updated vivecraft on one of my modpacks, and im getting the following error when attempting to enable vr mode:

[2026-06-13T11:06:27.531 WARN  xrizer::chaperone ThreadId(1)] [ONCE] GetPlayAreaSize unimplemented (src/chaperone.rs:65)
X Error of failed request:  GLXBadContext
  Major opcode of failed request:  150 (GLX)
  Minor opcode of failed request:  25 (X_GLXQueryContext)
  Serial number of failed request:  1705
  Current serial number in output stream:  1705

oddly, older modpacks still work however just downgrading my version of vivecraft doesnt change the problem.

I have no idea how to debug this issue further.

[Lite5h4dow]

here is a diff for the client between the old and new config:

11a12
>   "backpackOffhandKeybind": "key.swapOffhand",
30c31,32
<   "lastUpdate": "Vivecraft 1.21.1-1.3.9-neoforge",
---
>   "lastUpdate": "",
>   "nullvrFOV": "110.0",
37a40
>   "feetBodyPosition": "true",
86a90
>   "dualMirrorCrop": "false",
89a94
>   "guiOnMirror": "OFF",
111a117
>   "nullvrHaptics": "true",
121a128
>   "allowBreakingClimbable": "true",
122a130
>   "mixedRealityGui": "FIRST",
129a138
>   "renderAllPasses": "false",
141a151
>   "climbingAutoGrab": "true",
171a182
>   "nullvrEyeAngle": "2.0",
192a204
>   "vanillaClimbing": "true",
195a208
>   "dualMirrorSwap": "false",
201a215,216
>   "sleepEffect": "true",
>   "backpackMainHandKeybind": "vivecraft.key.quickSwap",
235a251
>   "nullvrIPD": "0.1",

there is no difference in the server-config.toml

[fayer3]

that is an error from your vr runtime, whatever you use to replace steamvr.
a vivecraft update shouldn't cause that though.

[Lite5h4dow]

that is an error from your vr runtime, whatever you use to replace steamvr.
a vivecraft update shouldn't cause that though.

Ignore the warning line, that's not part of the error, it's just the x GLX bad context. It works with older versions just fine.

[fayer3]

still same thing. that whole block is a message from xrizer.
did you update any other mods?

[Lite5h4dow]

still same thing. that whole block is a message from xrizer.
did you update any other mods?

Create, sodium and lithium, that's it, but I don't see why they would affect vivecrafts communication with xrizer?

[fayer3]

it's nothing to do with the communication of how I read that.
GLX bad context has something to do with xrizers way of handling opengl. GLX is the opengl backend for X11

no clue how a vivecraft update would cause that nothing changed in how we submit the opengl images to the openvr api