[Xen-users] bad udp checksums

[Mike Wright <mike.wright@xxxxxxxxxxxxxx>]

Hi all,

I'd hoped this had gone away but discovered that ntp is failing because 
of this (fortunately dns seems to ignore the bad sums and answers anyway).
Basic info:

xen-4.1.1 compiled locally
linux 3.0.0 compiled locally
fedora 14

I ran "pethtool -K {all interfaces, all bridges, doms} tx off" with no 
apparent effect.
I found an old email about xen-3 where somebody had patched this file:

   "xen/netback/interface.c"

this way:

   -    dev->features        = NETIF_F_NO_CSUM;
   +    dev->features        = 0; /* replaced NETIF_F_NO_CSUM */

to eliminate the symptom but I don't think that really solves the 
underlying problem.
Open for any advice or suggestions.

Thanx,
Mike Wright

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