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Re: [Xen-users] PV Drivers in Linux HVM DomU?

  • To: "Pasi Kärkkäinen" <pasik@xxxxxx>
  • From: "Emre Erenoglu" <erenoglu@xxxxxxxxx>
  • Date: Mon, 26 Nov 2007 23:59:59 +0100
  • Cc: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 26 Nov 2007 15:00:50 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi Again,

OK, I managed to find the sources of my xen-hypervisor-3.1 package, downloaded and extracted it into my DomU. I also had the DomU HVM kernel sources.

I ran 1.st step then 2nd. Things compiled seemingly well.

However, the "xenbus.ko" does not compile. It has no place in the Makefile. Why?

I modprobed the modules produced, i.e. xen-platform-pci, xen-balloon, xen-vbd, xen-vnif, and got the following responses in dmesg output:

Xen version 3.1.
Hypercall area is 1 pages.
register_blkdev: cannot get major 3 for ide
vbd vbd-768: 19 xlvbd_add at /local/domain/0/backend/vbd/1/768
register_blkdev: cannot get major 3 for ide
vbd vbd-832: 19 xlvbd_add at /local/domain/0/backend/vbd/1/832
register_blkdev: cannot get major 22 for ide
vbd vbd-5632: 19 xlvbd_add at /local/domain/0/backend/vbd/1/5632
xen_mem: Initialising balloon driver.
netfront: Initialising virtual ethernet driver.
vif vif-0: 2 parsing device/vif/0/mac

So except this vbd error, it seems OK. I don't know if this vbd error is a warning or really an error though...

Is there a known way to test the performance?



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