[gPXE-devel] gPXE 1.0.0 eats DNS packets

[Stefan Hajnoczi]

On Mon, Jun 21, 2010 at 8:38 AM, H. Peter Anvin <hpa at zytor.com> wrote:
> I just discovered that gPXE 1.0.0 eats DNS packets sent via the UDP
> interface.  This is somewhat puzzling to me, since the DNS packet
> doesn't even make it out the wire (it would have made more sense if the
> reply had been received, but a packet sniffer shows nothing on egress.)
>  Removing gPXE (undionly.kkpxe) and running on the raw vendor stack
> eliminates this problem.
>
> This is threatening to become a showstopper for Syslinux 4.00, so I
> would really appreciate assistance in tracking this down.

Is there a simple setup to reproduce this?

Stefan