[Users] trouble with pci passthrough

[Andreas Huser]

Hi all,

have nobody an idea how i can assign a pci device to a virtual machine with a ovirt installation? 

Regards 
Andreas 


----- Ursprüngliche Mail ----- 

Von: "Andreas Huser" <ahuser at 7five-edv.de> 
An: users at ovirt.org 
Gesendet: Samstag, 5. Januar 2013 23:59:31 
Betreff: [Users] trouble with pci passthrough 

hi everybody 

i have trouble with pci passthrough of a parallel port adapter. I need this for a key dongle. 
The Server is a single machine and i want to use them with the all-in-one plugin from ovirt. 

I do some tests with: 
Fedora 17, CentOS6.3, Oracle Linux 6.3 
latest kernel, qemu-kvm and libvirt from repos. No extras or advanced configurations. Only a simple standard Server. 

I install "yum groupinstall virtualization" + virt-manager and some other. 
I configure iommu, modul blacklist and some other. 

Then i starting a Windows Server 2003 and assign the parallel adapter to the running server. I look in the device manager and found the adapter card. 
The dongle work finde and the Datev Lizenz Service are online. 

.. so far so good 

but when i install on the same Server ovirt. With same kernel qemu-kvm and libvirt! 
And i attach the adapter card to the windows server 2003 look in the device manager and found the card with a error "device cannot be start (code 10)" 

I am now looking for several days after the error and have diverse tried but I can not keep going. 

can someone help me? 

Thanks & greetings 
Andreas 


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