I have the same issue, while using simple "Hello World" example from platformIO. This is part of the LOG I get from console: Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled. Memory dump at 0x400d2c40: 775f2289 dd55d557 57f7d755 Core 0 register dump: PC : 0x400d2c...