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Scheduled RNB Broadcast  #21

@john-klingner

Description

@john-klingner

Symptom: Droplets freeze / task list corruption.

This bug was happening with two very different user programs. Common thing between them is scheduling a task for RNB broadcast. It's possible the two bugs/issues are unrelated, but my instincts tell me they're connected.

In my code, Droplet freezes reliably but usually not quickly. Makes me think that the problem occurs when the scheduler RTC interrupt interrupts some certain specific other code -- in the ir message handling, maybe?

In Sai's and Shivam's code they had accidentally had one bit of code RNB Broadcasting periodically in loop, and another bit of code RNB Broadcasting periodically with the scheduler, and they were having very consistent issues consistent with task list and/or stack corruption.

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