From owner-freebsd-xen@FreeBSD.ORG  Wed May 25 16:21:00 2011
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Date: Wed, 25 May 2011 17:20:17 +0100
From: Hugo Silva <hugo@barafranca.com>
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Subject: Re: xn_txeof: WARNING: response is -1!
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On 05/24/11 21:14, Hugo Silva wrote:
> On 05/24/11 14:45, Hugo Silva wrote:
>> Trying to ssh to the VM produces the error in the subject line on the
>> FreeBSD domU; It's impossible to login.
>>
> 
> Some more information for those looking to reproduce this: the above is
> with rxcsum and txcsum disabled in the xn interface: Without that, the
> ssh client on the other side would just say 'Disconnected: Packet corrupt'.
> 
> With tx/rxsum disabled, the ssh client will seem to hang, while the
> server spits the xn_txeof message.
> 
> 
> I seem to recall that disabling TSO helped fix a similar error under
> Citrix XenServer, but alas. No difference.

Same thing with i386 and full PV.