Emulator

What steps will reproduce the problem?
1.Update Dolphin to 5215, and compile it with flavor=debug
2.Run it and open any game
3.The screen is only black. I hear perfectly the sound of the game, but I
see nothing.

What is the expected output? What do you see instead?
See the screen of the game. I only get a black screen.

What version of the product are you using? On what operating system?
5215 revision

Please provide any additional information below.
The progran show this on console constantly:

47:12:364 Source/Plugins/Plugin_VideoOGL/Src/GLUtil.cpp:616 E[Video]:
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp:352: (Flush) OpenGL
error 0x502 - invalid operation

I run it on Linux with ATI propietary driver. Other 3D programs works
correctly.