Re: [Qemu-devel] [PULL v2 00/36] pci, pc, virtio: features, fixes

[Laszlo Ersek]

Hi Peter,

On 05/22/19 23:15, Peter Maydell wrote:
> On Wed, 22 May 2019 at 15:22, Laszlo Ersek <address@hidden> wrote:
>> This is very interesting. I had obviously tested booting
>> "bios-tables-test.aarch64.iso.qcow2" against "edk2-aarch64-code.fd",
>> using TCG, on my x86_64 laptop. (And, I've run the above exact command
>> just now, at commit a4f667b67149 -- it works 100% fine.)
>>
>> However, I've never been *near* a 32-bit ARM host. Therefore my
>> suspicion is that the AARCH64 UEFI guest code tickles something in the
>> 32-bit ARM code generator. It could be a bug in 32-bit ARM TCG, or it
>> could be a bug in edk2 that is exposed by 32-bit ARM TCG.
> 
> Does it repro in a 32-bit-chroot in an aarch64 host ?
> I don't know if that might be easier for you to set up than
> getting access to real 32-bit hardware.

If this test is still necessary (e.g. for repeated testing), I might be
able to run qemu-system-aarch64/TCG in a 32-bit QEMU/KVM guest on my
Mustang. I was preparing to set up this kind of nesting, when Igor gave
me access to a real aarch32 host.

Thanks
Laszlo