10/09/2015 23:52, Nicolas Thierry-Mieg wrote: > 10/09/2015 21:56, david wrote: >> Folks >> >> While trying to add a second desktop to my Centos7 installation (I had >> GNOME3, wanted to add KDE as an alternate), the install failed: >> > <snip> >> I use priorities, as follows: >> >> 1: base >> 2: centosplus >> 3: updates >> 4: extras >> 5: cr >> 6: contrib >> 7: epel >> >> Can anyone explain this? or let me know how to get around it? >> Rebuilding the server from scratch is definitely possible since this is >> a test environment only. > > > you need the same priority for updates as base, since packages in > updates update packages in... base ;-) > change updates prio to 1 and you should be good. BTW cr should also have prio 1 (same as base and updates) since when it exists it also updates packages in base+updates.