On Sun, Feb 10, 2019 at 01:00:20PM +0100, Christian Zigotzky wrote: > I tested the whole series today. The kernels boot and the P.A. Semi > Ethernet works! :-) Thanks a lot! > > I also tested it in a virtual e5500 QEMU machine today. Unfortunately the > kernel crashes. This looks like a patch I fixed in mainline a while ago, but which the powerpc tree didn't have yet. I've cherry picked this commit ("swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit") and added it to the powerpc-dma.6 tree, please retry with that one.