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am335x android SGX porting problem

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Hi

I am not able to run SGX enabled Android Fs in our custom board based on am335x. We are using rowboat-jb-4.1.2. Without SGX, everythin is OK, but when i enable it after showing boot logo, nothing seems on the screen. In logcat output:

could not find an EGLConfig matching the screen format
eglQuerySurface:350 error 300d EGL_BAD_SURFACE

# cat /system/lib/egl/egl.cfg
0 0 android
0 1 POWERVR_SGX530_125
#lsmod (SGX modules are inserted succesfully)
omaplfb
pvrsrvkm
I tried SGX test tools (sgx_flip_test, sgz_init_test, ..) many of them says OK. Only texture_benchmark failed "TOO MANY BUFFERS". I searched the problem but couldnt find a solution for this android board bringup problem.

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