Steps to reproduce:
1) Download attached project ' Unity test reset error.zip' and open in Unity
2) Check if Development Build is disabled
3) Build and run 'GVRDemo' scene on a device
4) In application, look down to see Floor Canvas
5) Click on 'Reset' button with controller's touchpad several times
-----------Note: Eventually application will freeze after clicking this button with controller(Logcat attached '872518PixelDaydreamFreezePlayMode.txt')
-----------Application will crash instantly with Developer Build enabled(Logcat attached '872518PixelDaydreamCrashDevMode.txt')

Reproduced with: 5.6.0b3, 5.6.0b5

Note: Application instantly crashes with <=5.6.0b2, so I wasn't able to check regression

DUT:
Google Pixel[sailfish], Adreno 530, OS version 7.1
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Fixed in: 2017.1.0p1
Note: GoogleVR SDK must be up to date