[Users] trouble with pci passthrough

Itamar Heim iheim at redhat.com
Fri Jan 11 14:17:48 UTC 2013


On 01/11/2013 02:09 PM, Andreas Huser wrote:
> I launch the vm with ovirt and attach (if started) the pci device with
> virsh attach-device w2k3-server parport. this procedure  works fine
> befor ovirt installation.

I think a better way to attach the pci device in ovirt would be via a 
custom vdsm hook and a custom property on the vm, then via virsh.
I'm assuming that in order to use virsh you had to use the password vdsm 
set to libvirt?

> sorry for my bad english :-)
>
>
> ------------------------------------------------------------------------
> *Von: *"Itamar Heim" <iheim at redhat.com>
> *An: *"Andreas Huser" <ahuser at 7five-edv.de>
> *CC: *"Shu Ming" <shuming at linux.vnet.ibm.com>, users at ovirt.org
> *Gesendet: *Freitag, 11. Januar 2013 11:36:04
> *Betreff: *Re: [Users] trouble with pci passthrough
>
> On 01/11/2013 10:46 AM, Andreas Huser wrote:
>  > Hi Shu,
>  >
>  > it's very simple, when i install a simple Server Centos 6.3 +
> qemu-kvm + libvirtd + virt-manager.
>  > Then i have no Problems. I can assign the pci devicre with
> virt-manager or virsh and the PCI Device works perfect.
>  >
>  > But when i install on top on this Centos Server oVirt. The pci
> passthrough works not more cleanly.
>  > I see the Device on the destination Server (Windows Server 2003) but
> the divice have an error message. "device cannot be start (code 10)"
>  > I tasting this installation  with Centos6.3, Oralce Linux 6.3, Fedora
> 17 and Fedora 18.
>
> so you just installed oVirt engine and the guest which you are launching
> without ovirt stops using the pci, or are you actually launching the
> guest with ovirt?
>
>  >
>  > regards
>  > Andreas
>  >
>  >
>  > ----- Ursprüngliche Mail -----
>  >
>  > Von: "Shu Ming" <shuming at linux.vnet.ibm.com>
>  > An: "ahuser" <ahuser at 7five-edv.de>
>  > CC: iheim at redhat.com, users at ovirt.org
>  > Gesendet: Donnerstag, 10. Januar 2013 02:35:37
>  > Betreff: Re: [Users] trouble with pci passthrough
>  >
>  >
>  > 2013-1-10 8:42, ahuser:
>  >
>  >
>  >
>  > Hi Itamar,
>  >
>  >
>  > Thanks for your reply.
>  > I tried and ro this with virsh + xml file and virt-manager.
>  >
>  >
>  > I suppose you assigned the device to the virtual server successfully
> with virsh and virt-manager.
>  >
>  >
>  > <blockquote>
>  >
>  >
>  >
>  > Confusing is that after the installation oVirt the device is not
> passed cleanly.
>  > </blockquote>
>  >
>  > Do you mean the old virtual server which was created before oVirt
> installation was finally managed by oVirt? Or oVirt didn't manage this
> virtual server but the PCI device assigned to the virtual server
> disappeared?
>  >
>  >
>  > <blockquote>
>  >
>  >
>  >
>  >
>  >
>  >
>  >
>  >
>  > Von Samsung-Tablet gesendet
>  > Itamar Heim <iheim at redhat.com> hat geschrieben:
>  >
>  >
>  > _______________________________________________
>  > Users mailing list Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>  > </blockquote>
>  >
>  >
>
>
>





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