[Xen-devel] "MMIO emulation failed" from booting OVMF on Xen v4.9.0

[Andri Möll <andri@xxxxxx>]

Hey,

As per Andrew [Cooper]'s suggestion, writing here instead of #xen on Freenode.

I'm trying out Xen (4.9.0) with OVMF (r21243.3858b4a1ff-1) and having it crash right on boot both with the 32b and 64b OVMF binaries. This is on Arch Linux, AMD Ryzen on a X370 motherboard.

Given the following minimal VM declaration:

builder = "hvm"
maxmem = 512
memory = 512
vcpus = 1
_on_poweroff_ = "destroy"
_on_reboot_ = "destroy"
_on_crash_ = "destroy"
bios = "ovmf"
device_model_version = "qemu-xen"
bios_path_override = "/usr/share/ovmf/ovmf_code_ia32.bin"

and running it with `xl create vm.cfg`, I see it crash while booting with the following displayed by `xl dmesg`:

(XEN) MMIO emulation failed: d1v0 16bit @ f000:0000ff54 -> 66 ea 5c ff ff ff 10 00 b8 40 06 00 00 0f 22
(XEN) d1v0 Triple fault - invoking HVM shutdown action 1

I've run the hypervisor with `guest_loglvl=all` for more output and attached it here and uploaded it at https://gist.github.com/moll/a46dffc7466ced93a0365a6916a4db96 in case the file doesn't go through.

Any ideas anyone? Thanks in advance!

Andri

Attachment: dmesg.log
Description: Text document

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