From: <djmagee@mageenet.net>
To: James Harper <james.harper@bendigoit.com.au>, lta@akr.fm
Cc: xen-devel@lists.xensource.com
Subject: Re: GPLPV and pci passthrough
Date: Mon, 30 Jan 2012 14:18:30 -0500 [thread overview]
Message-ID: <EECC125FCE18E740AF561189E12602851451CD@mnetexch2.adamapps.host> (raw)
In-Reply-To: <6035A0D088A63A46850C3988ED045A4B0550711F@BITCOM1.int.sbss.com.au>
> >
> > I tried the Win2003 build and it works like a charm, and has native
> > performance across my gbit network in at least one direction.
> >
>
> Right... so if I understand the problem:
>
> . NDIS5 driver works fine under Windows 7 with PCI passthrough
> . NDIS6 driver works fine under Windows 7 with no PCI passthrough
> . NDIS6 driver does not work correctly with PCI passthrough
Correct.
>
> Can you now try turning off all offloads in the DomU and see if starts
> working at some point?
I disabled CSum offload, Large Send Offload, and scatter gather. No
help. I also set
HKLM\System\CurrentControlSet\services\tcpip\Parameters\DisableTaskOfflo
ad=1. Also no help.
>
> I'm at a loss to explain how this could happen though.
>
If I think of anything else I'll try it. Would it help to try a 32bit
Windows 7 instance and see if there's any difference?
prev parent reply other threads:[~2012-01-30 19:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 18:03 GPLPV and pci passthrough djmagee
2012-01-25 19:19 ` Pavel Matěja
2012-01-26 0:23 ` James Harper
2012-01-27 19:02 ` djmagee
2012-01-28 14:50 ` djmagee
2012-01-29 2:36 ` James Harper
2012-01-29 17:14 ` Roderick Colenbrander
2012-01-30 19:22 ` djmagee
2012-01-30 19:42 ` Roderick Colenbrander
2012-01-31 17:20 ` djmagee
2012-01-30 19:18 ` djmagee [this message]
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