Comment # 71 on bug 1224773 from Ignaz Forster

(In reply to Alberto Planas Dominguez from comment #70)
> (In reply to Imo Hester from comment #69)
> > After the repo and driver was installed the issue with the initrd file
> > occurred. Until now I didn't knew about "sdbootutil mkinitrd" and didn't
> > try. I used:
> > 
> > > sudo transactional-update -c initrd
> 
> This will no work until the next transactional-update release. The correct
> way is
> 
> sudo sdbootutil mkinitrd
> 
> The next t-u will do something equivalent to this.

The next transactional-update version with this fix (4.8.0) was submitted
already and should hopefully be released very soon:
https://build.opensuse.org/request/show/1196137