> What's your .config file? The knowledge about the host bridge windows > must be compiled in somewhere. here it is http://www.downthebunker.com/chunk_of/stuff/public/projects/sonoko-x11/router-board/kernel/k4.4.197-rb532.config too long to be attached to this email > The UARTs do not have DMA enabled (BusMaster-) in the lspci output, so > they shouldn't be able to corrupt memory. The NICs *do* have DMA > enabled. Does the problem still happen if you turn off the NIC > drivers (via-rhine and ath9k, it looks like)? I will recompile the kernel and re-test the router. It's a 48 hours burn-in test