qemu-kvm doesn't work with qemu-x86_64_defconfig

[Bin Meng]

+Simon

On Wed, Jul 28, 2021 at 11:22 PM Matwey V. Kornilov
<matwey.kornilov at gmail.com> wrote:
>
> Hello,
>
> I am trying to build master for qemu-x86_64_defconfig. When I try to
> boot u-boot.rom as the following everything works fine:
>
> > qemu-system-x86_64 -nographic -bios u-boot.rom
>
> U-Boot SPL 2021.10-rc1-00027-g22ecb12132 (Jul 28 2021 - 18:18:37 +0300)
> Trying to boot from SPI
> Jumping to 64-bit U-Boot: Note many features are missing
>
>
> U-Boot 2021.10-rc1-00027-g22ecb12132 (Jul 28 2021 - 18:18:37 +0300)
>
> CPU:   QEMU Virtual CPU version 2.5+
> DRAM:  128 MiB
> Loading Environment from nowhere... OK
> Incorrect expansion ROM header signature 4daa
> Model: QEMU x86 (I440FX)
> Net:   e1000: 52:54:00:12:34:56
>        eth0: e1000#0
> Hit any key to stop autoboot:  0
>
>
> When I try to enable KVM as the following, the boot process hangs:
>
> > qemu-system-x86_64 -enable-kvm -cpu host -nographic -bios u-boot.rom
>
> U-Boot SPL 2021.10-rc1-00027-g22ecb12132 (Jul 28 2021 - 18:18:37 +0300)
> Trying to boot from SPI
> Jumping to 64-bit U-Boot: Note many features are missing
>
>
> What have I missed? Maybe KVM is just not supported?
>

Yep, at least I did not test u-boot with KVM.

Regards,
Bin