screen is grey in ubuntu 22.04 of parallels desktop

[wushandinghua]

The screen is grey after execute demo.This takes me several hours, help me.

execute log: pybullet build time: Apr 20 2024 08:56:11 startThreads creating 1 threads. starting thread 0 started thread 0 argc=2 argv[0] = --unused argv[1] = --start_demo_name=Physics Server ExampleBrowserThreadFunc started X11 functions dynamically loaded using dlopen/dlsym OK! X11 functions dynamically loaded using dlopen/dlsym OK! Creating context Created GL 3.3 context Direct GLX rendering context obtained Making context current GL_VENDOR=Mesa/X.org GL_RENDERER=virgl (Apple M1 (Compat)) GL_VERSION=4.0 (Core Profile) Mesa 22.2.5-0ubuntu0.1\~22.04.3 GL_SHADING_LANGUAGE_VERSION=4.00 pthread_getconcurrency()=0 Version = 4.0 (Core Profile) Mesa 22.2.5-0ubuntu0.1\~22.04.3 Vendor = Mesa/X.org Renderer = virgl (Apple M1 (Compat)) b3Printf: Selected demo: Physics Server startThreads creating 1 threads. starting thread 0 started thread 0 MotionThreadFunc thread started ven = Mesa/X.org ven = Mesa/X.org (-7.797674188888908e-06, 0.0035346832111754875, 0.47082209486385834) (-1.0840248894896736e-05, 2.3371105906578898e-06, -5.2987186100136806e-05, 0.9999999985346925) numActiveThreads = 0 stopping threads Thread with taskId 0 exiting Thread TERMINATED destroy semaphore semaphore destroyed destroy main semaphore main semaphore destroyed finished numActiveThreads = 0 btShutDownExampleBrowser stopping threads Thread with taskId 0 exiting Thread TERMINATED destroy semaphore semaphore destroyed destroy main semaphore main semaphore destroyed