i have solved ! instead of run blender ..
go in the folder and type ./blender-static it's a script you could see in the same folder where you ahve downloaded and extracted blender -- [i965] graphical glitches with Blender/OpenGL unless DRI disabled https://bugs.launchpad.net/bugs/365776 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs