Re: [Qemu-devel] [PATCH v1 8/8] usb/ehci: Put RAM in undefined MMIO regions

[Gerd Hoffmann]

On 10/25/12 11:47, Peter Crosthwaite wrote:
> Just put RAM regions in the unimplemented spaces in the MMIO region. These
> regions have undefined behaviour, but this at least stops QEMU from 
> segfaulting
> when the guest bangs on these registers (and sucessfully fakes reading and
> writing the registers with no side effects).

Should not be needed, memory api should deal with that properly.
Something is fishy somewhere.  Maybe the dmacontext thing Peter Maydell
noted for patch 5.

cheers,
  Gerd