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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 28 Jan 2016 09:46:26 +0100
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Subject: Re: [Qemu-devel] virtio-scsi/blk dataplane and guest memory
	allocation
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To: Roy Shterman <roy.shterman@gmail.com>
Cc: famz@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com



On 28/01/2016 08:28, Roy Shterman wrote:
> 
> Important to understand that after modifying and saving configuration of
> xml with virsh edit $name_of_guest
> 
> when i reenter the xml i can't see the iothread configuration in there.
> don't understand why.
> 

I suspect that your libvirt is too old.

Paolo