I was using a version of OVMF from about a year ago which works fine with QEMU 2.8 and 2.9 but doesn't work with 2.10. I just updated to the latest OVMF from master and everything's working now with QEMU 2.10 and WIndows 10 64 bit, so the old OVMF was the issue.
I was using a version of OVMF from about a year ago which works fine with QEMU 2.8 and 2.9 but doesn't work with 2.10. I just updated to the latest OVMF from master and everything's working now with QEMU 2.10 and WIndows 10 64 bit, so the old OVMF was the issue.
Thanks for your help,
Chris