On 08/09/17 00:30, Peter Maydell wrote: > On 7 September 2017 at 15:27, Alexey Kardashevskiy <a...@ozlabs.ru> wrote: >> On 07/09/17 19:30, Peter Maydell wrote: >>> What happens if something in a device realize function tries >>> to do a read from an AddressSpace? >> >> >> address_space_memory is created before that loop but yes, address spaces >> for devices are not rendered and QEMU crashes, needs fixing. > > I'd be OK if we defined this to be not permitted, as long as > we're reasonably happy that we don't currently do it anywhere > and the error if it does happen is fairly clear about what's > gone wrong.
QEMU actually only crashes with 2/4 + 3/4, with just 1/4 QEMU gets to unassigned_mem_accepts() silently. Not sure how to convert this to a clear error message. -- Alexey
