some error 1

glBindFramebuffer(GL_READ_FRAMEBUFFER, pMyGlInfo->fboId);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, pMyGlInfo->fboId);
glBindTexture(GL_TEXTURE_2D, pMyGlInfo->texId);
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02-25 22:10:21.708: I/changeDrawMode()@scene.cpp(28095): Now the draw-mode is 2.
02-25 22:10:21.711: W/Adreno-EGLSUB(28095): : Invalid native buffer. Failed to queueBuffer
02-25 22:10:21.713: W/Adreno-EGLSUB(28095): : native buffer is NULL