Re: [edk2] [PATCH 2/2] efinet: fix lost packets due to active MNP instances

[Andrei Borzenkov]

В Sun, 26 Apr 2015 09:42:52 +0300
Andrei Borzenkov <address@hidden> пишет:

> В Tue, 21 Apr 2015 14:12:54 +0800
> Michael Chang <address@hidden> пишет:
> 
> > 
> > 3. Even I can add the card open earler before hadling the dhcpv6
> > packets, it will freeze at grub_efi_open_protocol if the option in use
> > is GRUB_EFI_OPEN_PROTOCOL_BY_EXCLUSIVE. I was actually using
> > GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL in the entire test and am running
> > out of idea how to deal with that diversity.
> > 
> 
> Is it in QEMU? If yes, is it hardware emulation or KVM? I'm currently
> facing the situation when I cannot netboot standalone efi image using
> openSUSE grub on KVM but exactly the same image from upstream works.
> openSUSE grub works on pure hardware emulation. There were several
> similar reports in the past.
> 

OK, it was the same problem with SNP exclusive open in
grub_efi_net_config_real(). It works with my version. That's probably
OVMF issue and looks like memory corruption somewhere.