This is with kvm-44. I did notice kvm-45 released moments after I moved
this x3650 onsite but our client required it immediately so I didn't have a
chance to test it yet. I'll give it a try though when we revisit the setup
in a week's time. And i'll keep watcing this space for news on the
passthrough :)
Cheers,
Wes
On 10/6/07, Dor Laor <[EMAIL PROTECTED]> wrote:
>
> Wes wrote:
> > Hello List,
> >
> > Are there any plans on emulating gigabit under qemu/kvm?
> >
> > I ask because at the moment networking in guests on an ibm x3650 host
> > is embarrassingly slow. Using model=rtl8139 results in max of 12% of
> > bandwidth utilisation @ 100mbit (which in practice equates to 10mbit
> > performance), and using the default model=ne2k_pci results in much
> > faster albeit still sub-100mbit performance (while reporting 10mbit in
> > the guest). Is this something that can be worked around? Since the
> > x3650's we use here have 2 gigabit ports, is it possible to pass one
> > to the guest for direct access instead of being forced to emulate a
> > nic then route via 8021q and tun/tap?
> It's weird the rtl gives worse performance than ne2k, it should be the
> opposite. What kvm version do you test?
> Try test with the latest (Avi added a small tap performance
> improvement.) If this does not help try
> to add the -no-kvm-irqchip flag to the party.
>
> Regarding pci pass through, we have a prototype working which will be
> release soon (month).
> Dor.
>
-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems? Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
kvm-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/kvm-devel
