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Old 03-10-2013, 10:50 AM   #1
Adol
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Registered: Feb 2011
Location: Osaka, Japan
Distribution: Gentoo, Opensuse
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I want to paravirtualize video in kvm


Hello,

Recently Ive been playing around with KVM but am having problems with speed and screen resolution.

Of course more cores and more ram would help the most but I also believe my video card is not pulling its weight.

in xen there is the option to paravirtualize my video card which greatly improves my performance. In kvm the option is there but always blacked out.

Is it possible to paravirtualize my video on KVM? Do I need to tweek my kernel in order to do this or is there a specific method in doing this that I should take a look at.

Im running Opensuse 12.2 and my video card is RadeonHD 4320.

Thank you in advance for any guidance.
 
Old 03-17-2013, 08:01 PM   #2
kbp
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Are you using the Spice QXL driver ?
 
1 members found this post helpful.
Old 03-19-2013, 11:26 PM   #3
Adol
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Its working very well now that I installed the qxl driver on my guest OS and setup the virtuo drivers for my HDD and ethernet adapter.

The only thing I could do now to make it faster would be more ram and a faster cpu.
 
Old 03-20-2013, 06:10 AM   #4
kbp
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The expected cpu performance drop from native is around %10-%15, but the more likely bottleneck will be the disk.
 
  


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