On 2018-05-20, Patrick Dohman <[email protected]> wrote: > It appears there is an errata effecting Avoton and Rangeley products. > > AVR54: > > “System May Experience Inability to Boot or May Cease Operation Problem: > The SoC LPC_CLKOUT0 and/or LPC_CLKOUT1 signals (Low Pin Count bus clock > outputs) may stop functioning. > Implication: If the LPC clock(s) stop functioning the system will no longer > be able to boot. > Workaround: A platform level change has been identified and may be > implemented as a workaround for this erratum."
That's unrelated to this issue - the hardware fault on c2xxx atom you're describing here results in the system not booting, not some very odd blocking of ping for 12 minutes overnight.

