libGL error: MESA-LOADER: failed to open iris: in RoadRunner

Hi everyone. I need your help.

When I did turn on RoadRunner .desktop file in Ubuntu 22.04, first window is working but scene editing window is display only black. So I did use gtk-launch in terminal to turn on it, the terminal print this error when it display first window.

```

QVariant::load: unknown user type with name uiWindowLayout.

QVariant::load: unknown user type with name uiWindowLayout.

libGL error: MESA-LOADER: failed to open iris: /usr/lib/dri/iris_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)

libGL error: failed to load driver: iris

libGL error: MESA-LOADER: failed to open iris: /usr/lib/dri/iris_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)

libGL error: failed to load driver: iris

libGL error: MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)

libGL error: failed to load driver: swrast

```

After make a scene, the terminal print this error when it display scene editing screen.

```

WARNING: Qt message: composeAndFlush: makeCurrent() failed

```

Loop printing this error until I close.

What should I do?

Answer 1

[Angelo Yeo]

어떤 RoadRunner 버전을 사용하시는지 알 수 없으나 RoadRunner R2023a는 Ubuntu 22.04를 현재 정식으로 지원하지 않습니다. 아래 페이지에서 우분투 20.04까지 지원되는 것으로 확인됩니다. Ubuntu 20.04 혹은 Windows 10을 사용하였을 때에도 문제가 지속되는지 확인 부탁드립니다.

https://kr.mathworks.com/help/roadrunner/ug/roadrunner-system-requirements.html