No problem from s390x point of view. With Ubuntu we’re currently using

* qemu: 2.10.1
* libvirt: 3.6.0


Andreas Scheuring (andreas_s)

On 30. Mar 2018, at 16:26, Kashyap Chamarthy <> wrote:

The last version bump was in "Pike" release (commit: b980df0,
11-Feb-2017), and we didn't do any bump during "Queens".  So it's time
to increment the versions (which will also makes us get rid of some
backward compatibility cruft), and pick future versions of libvirt and

As it stands, during the "Pike" release the advertized NEXT_MIN versions                       
were set to: libvirt 1.3.1 and QEMU 2.5.0 -- but they weren't actually                         
bumped for the "Queens" release.  So they will now be applied for the                          
"Rocky" release.  (Hmm, but note that libvirt 1.3.1 was released more                          
than 2 years ago[1].)                          

While at it, we should also discuss about what will be the NEXT_MIN                            
libvirt and QEMU versions for the "Solar" release.  To that end, I've                          
spent going through different distributions and updated the                                    
DistroSupportMatrix Wiki[2].                   

Taking the DistroSupportMatrix into picture, for the sake of discussion,
how about the following NEXT_MIN versions for "Solar" release:                                 

(a) libvirt: 3.2.0 (released on 23-Feb-2017)   

   This satisfies most distributions, but will affect Debian "Stretch",                       
   as they only have 3.0.0 in the stable branch -- I've checked their
   repositories[3][4].  Although the latest update for the stable
   release "Stretch (9.4)" was released only on 10-March-2018, I don't
   think they increment libvirt and QEMU versions in stable.  Is
   there another way for "Stretch (9.4)" users to get the relevant
   versions from elsewhere?                   

(b) QEMU: 2.9.0 (released on 20-Apr-2017)      

   This too satisfies most distributions but will affect Oracle Linux
   -- which seem to ship QEMU 1.5.3 (released in August 2013) with
   their "7", from the Wiki.  And will also affect Debian "Stretch" --
   as it only has 2.8.0

Can folks chime in here?



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