Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-15 Thread Andrea Bolognani
On Mon, 2018-10-15 at 11:46 +0200, Kashyap Chamarthy wrote: > On Mon, Oct 15, 2018 at 09:05:16AM +0200, Andrea Bolognani wrote: > > Interesting. What is the output of 'virsh capabilities'? > > In attachment. Looks reasonable enough. > > More interesting still is the fact that the guest XML you

Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-15 Thread Kashyap Chamarthy
On Mon, Oct 15, 2018 at 09:05:16AM +0200, Andrea Bolognani wrote: [...] > Interesting. What is the output of 'virsh capabilities'? In attachment. > More interesting still is the fact that the guest XML you shared > looks like an *active* XML, ie. one taken from a running guest... > Does that

Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-15 Thread Andrea Bolognani
On Mon, 2018-10-15 at 08:21 +0200, Kashyap Chamarthy wrote: > On Sun, Oct 14, 2018 at 02:28:07PM +0200, Andrea Bolognani wrote: > > If I had to guess, I would say the element of your guest > > is probably pointing to a custom-built QEMU 2.11 binary rather than > > the default one installed from

Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-15 Thread Kashyap Chamarthy
On Sun, Oct 14, 2018 at 02:28:07PM +0200, Andrea Bolognani wrote: > On Fri, 2018-10-12 at 22:38 +0200, Kashyap Chamarthy wrote: [...] > > Now check the machine type again. Bizarrely enough, libvirt "helpfully" > > auto-adds QEMU *2.11* machine type, which is obviously no longer on the > >

Re: [libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-14 Thread Andrea Bolognani
On Fri, 2018-10-12 at 22:38 +0200, Kashyap Chamarthy wrote: > Context: The baremetal host previously had QEMU 2.11. But I manually > downgraded the QEMU version (via `dnf downgrade qemu-system-x86`); now > it is at 2.10: > > $ rpm -q qemu-system-x86 > qemu-system-x86-2.10.2-1.fc27.x86_64

[libvirt-users] How to explain this libvirt oddity w.r.t machine types?

2018-10-12 Thread Kashyap Chamarthy
Context: The baremetal host previously had QEMU 2.11. But I manually downgraded the QEMU version (via `dnf downgrade qemu-system-x86`); now it is at 2.10: $ rpm -q qemu-system-x86 qemu-system-x86-2.10.2-1.fc27.x86_64 The guest is offline. Let's see (in a couple of ways) what machine