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how to  improve entropy value ? base on imx8mq yocto

Question asked by feng chen on Mar 10, 2020
Latest reply on Mar 16, 2020 by feng chen

hello.

   we have a qestion  need your help

   we test on the imx8mq with Linux 4.14.78_1.0.0 release(yocot),  the entropy value is low, by cat /proc/sys/kernel/random/entropy_avail

   we want to improve the value (for exsample to 2000), how to do ? 

 

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

22

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

23

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

23

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

23

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

24

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

25

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

25

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

43

root@imx8mqevk:~# cat /proc/sys/kernel/random/entropy_avail 

44

 

thanks 

feng

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