On Fri, Mar 14, 2014 at 03:52:03PM +0400, Vasiliy Tolstov wrote: > If i use 3.13.6 kernel that have alredy this patch, but sometimes i > get kernel panic, what can i do? > P.S. I'm using nested virt, fault from L2 It could be there is another, less frequent, bug in nested KVM. I'm assuming this is on Intel hardware? >From the libguestfs point of view what you can do is to force TCG: export LIBGUESTFS_BACKEND_SETTINGS=force_tcg Unfortunately this only has an effect in libguestfs >= 1.25.24. We're going to have the new version in Fedora 20 real soon -- probably before the end of this month. Or you can compile the Rawhide version on F20. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html