Comment # 3 on bug 1100885 from Michal Svec

(In reply to Michael Andres from comment #1)
> This is a packaging issue, not a zypp one. Packages may generate the initrd
> in their %posttrans and should avoid regenerating an already up-to-date
> initrd.

Well, I can't tell whether the resp. packages don't do it in their $posttrans
or whether all the %posttrans'es weren't queued to be run once at the end. I
just spotted that initrd was created multiple times in the middle of the
upgrade
process.

Maybe it can be found in the logs (see attached).