Stumpy The Mutt on Nostr: Likely a result of a single event upset (SEU) causing a latch up. This is when a ...

Likely a result of a single event upset (SEU) causing a latch up. This is when a circuit somewhere in the million+ transistors in a complex IC is driven to either bus voltage or ground and sticking there permanently. The only way to reset it is via a power cycle, thus the reference to circuit breakers.