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NRF52832 SDK 17 NUS LESC problem


Hi.

NRF52832 is used as central for connecting with phones as peripheral.
NUS service is used. Lesc is used too.

SDK 17
SoftDevice S132 V7.0.1

I have sometimes crash of application.
I suppose it is crash of softdevice.
there aren't any logs in that time.
Application is just restarting in random times (every 1 - 15 minutes).
Breakpoint on NVIC_SystemReset() doesn't catches too.
Size of stack was increased. So i think perhaps sd has crashed in that time.

How can i find cause of that?
Thanks for any suggestions.

Another strange thing is that after resetting chip in this cases
resolving of private resolved address doesn't work (im_address_resolve).
(it is usually actual for one phone from two. phone1 is connecting successfully, another phone has not resolved address.)

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