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

[Michael Chang]

On Mon, Apr 27, 2015 at 02:47:16PM +0800, Michael Chang wrote:
> On Sun, Apr 26, 2015 at 09:42:52AM +0300, Andrei Borzenkov wrote:
> > 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.
> 
> It's KVM. But with you updated patch it no longer fail in exclusive open
> for me ..

Apparently I made a mistake here, the exclusive open still fails.

It's in your new patch that can survive the failed exlusive open by
keep using the non-exclusive open for simple network protocol.

Regards,
Michael