Xen users - May 2008 - RE: Release 0.9.1 of GPL PV Drivers for Windows (James Harper)

I tried 0.8.9 and was able to install the devices properly. iperf TCP
performance from my Windows XP DomU to another Windows native host on the
network was around 900Mbps over gigabit without jumbo frames. iperf UDP on the
Win DomU as client was very low, 1.5Mbps or so, however if the Win DomU as set
as the iperf server I could reach 200Mbps. UDP performance is important to me as
the WinXP DomU is a tv streaming server.

I tried 0.9.0 (clean install no GPLPV uninstall) and was unable to get my
devices or network to correctly show.

Tried 0.9.1 (clean install as well), ran install.bat, edited the boot.ini and
rebooted. BSOD. Booted into Windows, asks for drivers for Xennet and Xenpci, was
able to point Xennet to the folder where I unpacked 0.9.1 and it installed ok.
Xenpci will not find drivers. Reboot again, BSOD. Hard reboot into Windows, and
my Realtek device is disabled as well as my VT-d passthrough network device, but
Xennet is working. Xenpci again asks for drivers. I did a quick iperf test, TCP
was 300Mbps and UDP was again 1.5Mbps when DomU is client. Reboots will BSOD.
James, does the way you changed PCI device hiding in 0.9.0 and above supposed to
disable VT-d passthrough devices? I assume it''s because my passthrough
device is a network device in Device Manager even though it''s a TV
tuner card.

Thanks.



      

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