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    |   xen-users
Re: [Xen-users] tcp checksum errors across dom0-domu bridge 
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Ian Pratt wrote:
 No, dmesg looks clean in both dom0 and domU.  Sames results for 
xen-3.0-testing-20051206 and xen-3.0-testing-20051227. (I only upgraded 
the hypervisor to 20051227.)
 
Now the dom0 and domU can ping each other, and even establish 
a tcp connection, but dom0->domU tcp packets always seem to 
have a failing checksum. (see tcpdump trace of a telnet session below)
 
Are you getting 'insufficient headroom' message in the domU? (see
dmesg).
If so, upgrade to a newer 3.0.0 build number - the RPMs on the web site
should already be updated.
 
Dan.
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