Thanks Richard for a fast reply. Yes, indeed, im working on a nested environment. I try to run v2v inside a VM (L1) and to create an L2 by the conversion process. And on Intel. As I wrote, it fails once in few times, mainly when there is a memory pressure on L0.
Kashyap, can you please share your experience? Why should it crash during nested conversion. I'm not too familiar with libguestfs logic - maybe you can point for me, according to the logs, at what stage of the conversion the failure happens. Thanks, Rom On Thu, Jan 16, 2014 at 5:23 PM, Richard W.M. Jones <[email protected]>wrote: > On Wed, Jan 15, 2014 at 04:35:29PM +0200, Rom Freiman wrote: > > Hi everybody, > > > > Wanted to hear your opinion and to receive a smart advice. > > > > I'm trying to use virt-v2v in order to convert ova image (exported from > > vcenter) to run on libvirt/kvm - all this inside a VM of fedora. > > The converted image is also a fedora. > > During the conversion process, in some point of libguestfs activity, I > get > > double fault panic from L2 (printed as part of libguest output) and the > > conversion process fails - no errors appear neither in L0 not in L1 > message > > logs. > > Are you using nested KVM? > > Kashyap (CC'd) has done a lot of testing on nested KVM on *Intel*, > never with satisfactory results. It just doesn't work very well. > > On AMD is a different story -- nested KVM just works. > > Rich. > > -- > Richard Jones, Virtualization Group, Red Hat > http://people.redhat.com/~rjones > Fedora Windows cross-compiler. Compile Windows programs, test, and > build Windows installers. Over 100 libraries supported. > http://fedoraproject.org/wiki/MinGW >
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