From: "Richard W.M. Jones" <rjones@redhat.com>
To: Vasiliy Tolstov <v.tolstov@selfip.ru>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Ian Pilcher <arequipeno@gmail.com>,
virt@lists.fedoraproject.org, kvm@vger.kernel.org
Subject: Re: [fedora-virt] 3.13 - Nested KVM (vmx) totally broken?
Date: Fri, 14 Mar 2014 12:16:27 +0000 [thread overview]
Message-ID: <20140314121627.GP1346@redhat.com> (raw)
In-Reply-To: <CACaajQv5BcmfTDCAVoSwgsyA_fzgUpp52do7V7xsBu3XiQVwEw@mail.gmail.com>
On Fri, Mar 14, 2014 at 04:11:13PM +0400, Vasiliy Tolstov wrote:
> 2014-03-14 15:58 GMT+04:00 Richard W.M. Jones <rjones@redhat.com>:
> > 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.
>
>
> Thanks for answer. I'm not using libguestfs. I'm try tun vm inside vm
> via libvirt.
You can set the VM <domain type="qemu">. Of course it'll run quite
slowly.
> is that possible to debug this issue ? How can i help?
Complete logs from the guest.
Any messages from qemu or the host.
& put all of that into a full bug report.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
bindings from many languages. http://libguestfs.org
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next prev parent reply other threads:[~2014-03-14 12:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-04 2:40 [fedora-virt] 3.13 - Nested KVM (vmx) totally broken? Ian Pilcher
2014-03-04 8:13 ` Paolo Bonzini
2014-03-04 9:30 ` Kashyap Chamarthy
2014-03-04 9:38 ` Kashyap Chamarthy
2014-03-04 17:45 ` Ian Pilcher
2014-03-06 21:59 ` Richard W.M. Jones
2014-03-14 11:52 ` Vasiliy Tolstov
2014-03-14 11:58 ` Richard W.M. Jones
2014-03-14 12:11 ` Vasiliy Tolstov
2014-03-14 12:16 ` Richard W.M. Jones [this message]
2014-03-14 12:39 ` Vasiliy Tolstov
2014-03-14 12:43 ` Richard W.M. Jones
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