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Android 7.1 - Unable to set adequate mmap entropy value!

Question asked by Sylvain Pearson on Jun 20, 2017

I have the following error while booting Android 7.1 on a custom board, based on iMX6q:


init: Unable to set adequate mmap entropy value!

init: Security failure; rebooting into recovery mode...


The error occurs in the set_mmap_rnd_bits_action() functions of the system/core/init/init.cpp.

By looking at the code, I see that the file “/proc/sys/vm/mmap_rnd_bits” either does not exist or is not writable.


We are in the process of migrating our Android 4.4 product to Android 7.1

I have followed the instruction android_N7.1.1_1.0.0_docs user manual and applied the Freescal patches, as requested.


I have attached to startup traces.

Any help will be greatly appreciated!

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