Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-12 Thread Florian Haas
On Mon, Feb 12, 2018 at 10:27 AM, Kashyap Chamarthy wrote: > On Fri, Feb 09, 2018 at 12:02:25PM +0100, Florian Haas wrote: >> On Fri, Feb 9, 2018 at 11:48 AM, Kashyap Chamarthy >> wrote: > > [...] > >> > I've made some minor edits to clarify a bunch of b

Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-09 Thread Florian Haas
On Fri, Feb 9, 2018 at 11:48 AM, Kashyap Chamarthy wrote: > On Thu, Feb 08, 2018 at 06:44:43PM +0100, Florian Haas wrote: >> On Thu, Feb 8, 2018 at 1:07 PM, David Hildenbrand wrote: >> > We should certainly document what I have summaries here properly at a >> > central

Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-08 Thread Florian Haas
On Thu, Feb 8, 2018 at 1:07 PM, David Hildenbrand wrote: > We should certainly document what I have summaries here properly at a > central palce! Please review the three edits I've submitted to the wiki: https://www.linux-kvm.org/page/Special:Contributions/Fghaas Feel free to ruthlessly edit/rol

Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-08 Thread Florian Haas
On Thu, Feb 8, 2018 at 2:47 PM, David Hildenbrand wrote: >> Again, I'm somewhat struggling to understand this vs. live migration — >> but it's entirely possible that I'm sorely lacking in my knowledge of >> kernel and CPU internals. > > (savevm/loadvm is also called "migration to file") > > When w

Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-08 Thread Florian Haas
Hi David, thanks for the added input! I'm taking the liberty to snip a few paragraphs to trim this email down a bit. On Thu, Feb 8, 2018 at 1:07 PM, David Hildenbrand wrote: >> Just to give an example, >> https://www.redhat.com/en/blog/inception-how-usable-are-nested-kvm-guests >> from just last

Re: [libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-08 Thread Florian Haas
On Wed, Feb 7, 2018 at 11:26 PM, David Hildenbrand wrote: > On 07.02.2018 16:31, Kashyap Chamarthy wrote: >> [Cc: KVM upstream list.] >> >> On Tue, Feb 06, 2018 at 04:11:46PM +0100, Florian Haas wrote: >>> Hi everyone, >>> >>> I hope this is the

[libvirt-users] Nested KVM: L0 guest produces kernel BUG on wakeup from managed save (while a nested VM is running)

2018-02-06 Thread Florian Haas
Hi everyone, I hope this is the correct list to discuss this issue; please feel free to redirect me otherwise. I have a nested virtualization setup that looks as follows: - Host: Ubuntu 16.04, kernel 4.4.0 (an OpenStack Nova compute node) - L0 guest: openSUSE Leap 42.3, kernel 4.4.104-39-default

[libvirt-users] lxc-enter-namespace support in Python API

2015-03-13 Thread Florian Haas
Hello everyone, referring back to https://www.redhat.com/archives/libvirt-users/2013-August/msg00107.html, in which a user discovered that there is no equivalent to "virsh -c lxc:/// lxc-enter-namespace" in the Python API. Has that ever changed? In that thread Daniel suggested that the user file a

[libvirt-users] lxc-enter-namespace support in Python API

2015-03-13 Thread Florian Haas
Hello everyone, referring back to https://www.redhat.com/archives/libvirt-users/2013-August/msg00107.html, in which a user discovered that there is no equivalent to "virsh -c lxc:/// lxc-enter-namespace" in the Python API. Has that ever changed? In that thread Daniel suggested that the user file a