[Xen-bugs] [Bug 1301] Windows and Linux connection using PV Drivers crashes (bridge)

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1301





------- Comment #4 from james.harper@xxxxxxxxxxxxxxxx  2008-07-19 03:53 -------
Given that it works when routing packets via a real switch, I'm wondering if we
have a problem somewhere with GSO (or possibly, but less likely, csum offload).

GSO packets will stay in 'large' format until Linux determines that they need
to be split up into MSS sized chunks, which will happen when the packet
traverses a physical interface (eg in the example where you included a switch).
The realtek emulated adapter definitely doesn't do GSO.

Can you please try turning off GSO (large send offload) in the network settings
in Windows (properties of the network adapter) and see if that makes a
difference. If not, please try disabling GSO on the samba domain too.

If that does make a difference, we then need to determine why, but lets cross
that one when we come to it.


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