[0817/203251.503072:INFO:main_context.cpp(136)] CEF initialized successfully.
[0817/203251.503158:INFO:main_context.cpp(138)] CEF version: 86.0.23+ga2c2edf+chromium-86.0.4240.193
[0817/203251.547254:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
[0817/203306.945762:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 1 times!
[0817/203307.556885:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:32:51.439843379: LauncherMain.cpp(101)] Initiated models
[0817/203307.557062:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:32:51.440028856: LauncherController.cpp(399)] Constructing launcher controller with workDir: /.../.minecraft, isActive: 0
[0817/203307.557194:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:32:57.437865405: LauncherAppRenderer.cpp(172)] Javascript bridge extended in OnWebKitInitialized.
[0817/203307.573237:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:32:51.439843379: LauncherMain.cpp(101)] Initiated models
[0817/203307.573367:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:32:51.440028856: LauncherController.cpp(399)] Constructing launcher controller with workDir: /.../.minecraft, isActive: 0
[0817/203307.573488:INFO:LauncherAppRenderer.cpp(51)] [Info: 2021-08-17 18:33:07.566341300: LauncherAppRenderer.cpp(172)] Javascript bridge extended in OnWebKitInitialized.
[0817/203307.580213:INFO:LauncherAppRenderer.cpp(518)] OnContextReleased: no frame (unknown context), browser id=2
[0817/203307.582863:INFO:LauncherAppRenderer.cpp(69)] OnBrowserDestroyed: id=2
[0817/203308.952295:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 2 times!
[0817/203310.671678:WARNING:xproto_util.cc(51)] X error received: serial 5989, error_code 3 (BadWindow (invalid Window parameter)), request_code 4, minor_code 0 (X_DestroyWindow)