Re: [Xen-devel] PXE boot with e1000 using OVMF

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Sep 12, 2018 at 11:54:02AM -0600, Tamas K Lengyel wrote:
> HI all,
> I'm experimenting with OVMF and I checked to see if OVMF can do PXE
> boot out-of-the box with a e1000 emulated network interface and was
> surprised to find that it does not. After reading some of the prior
> discussions on the topic (https://lists.gt.net/xen/devel/382432 and
> https://lists.xenproject.org/archives/html/xen-users/2015-09/msg00059.html)
> I was able to get the menu options to show up by copying efi-e1000.rom
> that gets installed by Xen's QEMU build into the disk of the VM and
> then loading with loadpcirom manually in the EFI shell. From the prior
> discussions it sounds to me like this option rom should have been
> automatically served by QEMU to OVMF when the VM started as an
> OptionROM. So is this a bug or what's missing?

Doesn't QEMU load the option ROM automatically when you specify e1000?

I _think_ it loads option ROM automatically because I have seen complain
that if you configure too many emulated NICs the guest runs out of
memory.

Wei.

> 
> Thanks,
> Tamas

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