> Yes, it is true the PHY and SERDES enables in Global 2 should be > cleared before the interrupt handler is installed for device > interrupts. That's what is done for the interrupts enables in > Global 1. I'm not seeing that these enables are initialized. > > Which switch?
6390X. > The device interrupts are not be cleared properly on that board. I added in code to mask all interrupts. It did not help. I need to go deeper and see if it is a PHY problem. > I suspect the same would happen if level interrupts were used. I've not seen it loop. Which is why i want to understand it fully. Andrew