Comment # 54 on bug 1184804 from Michal Suchanek

(In reply to Ludwig Nussel from comment #51)
> (In reply to Takashi Iwai from comment #49)

> > Anyway, the kernel has already a check for such a case, and I copied a part
> > of them to firmware packages, too.
> 
> %if 0%{?suse_version} >= 1550
> # make sure we have post-usrmerge filesystem package on TW
> Conflicts:      filesystem < 84
> %endif
> 
> That might cause issues in the future. Assuming SLE16 would use version 16
> for the filesystem package the above condition would cause a conflict. You
> may want to use
> Conflicts:      filesystem <= 15

It sounds like filesystem-15.0-11.3.2.x86_64 from 15.3 would fulfill this
condition which is wrong.

If anything it should be 

Conflicts:      filesystem < 16

and in any case it assumes the future v16 which is not yet released is
usrmerged. Although it's likely we just don't know at this point.