Comment # 39 on bug 1202116 from Steve Dobrinski

(In reply to Stefan Dirsch from comment #38)
> (In reply to Steve Dobrinski from comment #37)
> > (Re-)Installation of Nvidia RPMs would then require a (forced) downgrade of
> > the installed kernel-devel and kernel-default-devel packages, because there
> > can be only one version of these packages in the system. 
> 
> Which is wrong. You can have several version installed at the same time.

I stand corrected. I was mislead by zypper messages when not using
'--oldpackage'. By these I assumed that zypper would downgrade the installed
packages. With '--oldpackage' older versions of the kernel development packages
are installed in parallel.