--On 09 September 2015 11:04 +0200 Roger Pau Monné <roger....@citrix.com> wrote:

In the meantime, I have the following crappy patch to FreeBSD if_re
driver, which should disable the watchdog (I have not even compile
tested this).

fyi - The patch stops the 'watchdog timeout' errors - but the NIC just 'dies' after the live migrate (i.e. same as before, but no errors logged).

VirtIO (vtnet) so far seems to work for migrates, and work for routing traffic to other DomU guests - so I'm continuing to test that now as a workaround (i.e. test with OpenVPN etc.)

The only thing I've noticed with it is that established TCP sessions 'through the DomU' tend to die during the migrate (i.e. the DomU 'lands' at the destination node - but any transfers in progress stall - there's a 50/50 chance they recover) - but if I migrate the Windows DomU that's actually got the download in progress, the session stays up - hence more testing needed.

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