EGLFS: OpenGL windows cannot be mixed with others.

[FATL | default] EGLFS: OpenGL windows cannot be mixed with others.

*** process /usr/bin/appman (398) crashed ***

 > why: uncaught signal 6 (Aborted)
 > backtrace:
   1: /usr/bin/appman() [0x121a9c]
   2: /usr/bin/appman() [0x120a7c]
   3: __default_sa_restorer [+0]
   4: gsignal [+0xa0]
   5: abort [+0x12c]
   6: QMessageLogger::fatal(char const*, ...) const [+0x50]