Does double exception occures only when itis unable to run panic handler?(except hardware issues).
You say it is due to running out of memory. So if that the case, ,running memory monitoring functions like stackhighwatermark, freeheap in each task should show the memory overflow when it happened ...

Hello,
I have a problem with ESP32 which randomly throw double exceptions and then stuck. While i was searching for a solution, i encountered this phrase from a github issue. The phrase is " we will modify the DoubleException vector to cause an RTC watchdog reset instead of entering the panic ...

I once saw a problem associated with power like you said, in an another project. It is crashed as soon as tried to connect to WiFi saying brownout detected and then kept restarting saying illegal instruction, until a power on reset was done. But in here, i didn't saw the brownout message.

However ...

That helps. Thank you

I am using a Devkit board and it powered by TI's PTH0808 buck converter.
Is there a possibility that a corrupted flash memory caused this.

Thank you

Hello.

I am using an ESP32 wroom 32D module. Sometimes it crashes with saying loadProhibited or storeProhibited and then keeps restarting saying illegalInstruction .
Sometimes there is a backtrace to decode and sometimes there is just a line saying guruMeditation error and thats all.
Worst case is ...

Can anyone please answer this

Thank you

HelloI am new to ESP32 and freeRTOS.
I use queues to sync two tasks. For that i use a sending and receving queues with
exactly one item. item can be anything eg: struct, integer, bool etc.
my synced task flow is like this.

task1

do something

send queue1

task1wait for queue2


task2
wait for ...

Hello

What is the reason of this. No register dump, no backtrace. just LoadStoreError over and over again and then ESP32 stuck. No automatic reboot.

Thank you.


[04/08/20 - 08:25:08:463] Guru Meditation Error: Core 0 panic'ed (LoadStoreError). Exception was unhandled.
[04/08/20 - 08:25:08:473 ...

Hello

My esp 32 resets sometimes and it is not periodic. Sometimes it runs for 20hours without problem and sometimes it is just 20mins or so.
I included the decoded backtrace of CPU1 and serial terminal data. Everytime it has happened, backtrace was same.
Can anyone give some kind of light to this ...