RE: [Xen-users] Release 0.8.9 of GPL PV drivers for Windows

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> On Sun, Apr 27, 2008 at 03:16:09AM -0400, jim burns wrote:
> > On Saturday April 26 2008 10:12:33 pm James Harper wrote:
> > > Hmmm... uninstall.bat is a work in progress and probably shouldn't
> have
> > > been included. I suspect that if you rebooted after running
> > > uninstall.bat but before running install.bat you would have had an
> > > unbootable system.
> >
> > Well, for the first time since 0.8.4, I got winxp to boot w/ /gplpv,
> using
> > 0.8.9. I booted w/o /gplpv and then ran uninstall.bat. Because of the
> warning
> > above, I ran install.bat right away w/o a reboot. The final screen came
> up
> > and said all drivers were updated except xennet, which was 'Ready to
> Use'.
> > Then I rebooted w/ /gplpv, and the Find New Hardware Wizard came up
> > automatically and guided me through installing xennet w/o a hitch.
> >
> > I had previously disabled all the new features in Device Manager's Xen
> Net
> > Device Driver Properties' Advanced Tab. (This was done by copying over
> the
> > 0.8.4 files so I could boot w/o a BSOD.) An 'iperf -c dom0-name -t 60'
> came
> > up with 27.3 Mbits/s. I then proceeded to turn on each feature one at a
> time
> > in the Advanced tab, and rebooting w/ /gplpv. Device Manager invariably
> hung
> > after enabling each feature, which caused the reboot to hang. All
> > measurements are with vcpus=2, unless noted otherwise.
> >
> > After adding enabling Checksum Offload, iperf gave 30.5 Mb/s.
> >
> > After adding setting 61440 for Large Send Offload, iperf gave 25.3 Mb/s.
> >
> > After adding enabling Scatter/Gather, iperf gave 25.1 Mb/s.
> >
> > So there are minor variations with and w/o the various options, but on
> the
> > whole, much better than the last version I could test, 0.8.4.
> >
> 
> Just to make sure, you mean megabytes (MB/sec) instead of megabits per
> second (Mb/sec) ?
> 
> 25 - 30 Mbit/sec would be really slow..

I hadn't thought of that when I wrote my previous email. If he did mean Mbytes 
as opposed to the Mbits that I assumed then it makes a lot more sense. Iperf 
gives the results in Mbits so that is what I assumed...

James

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