Comment # 9 on bug 1187383 from Michal Suchanek

(In reply to Jimmie Mayfield from comment #8)
> (In reply to Michal Suchanek from comment #4)
> > yes, you probably need
> > 
> > kernel-default-5.12.10-lp153.5.1.g332b26c
> > 
> > rather than
> > 
> > kernel-default-5.12.10-lp152.5.1.g332b26c
> 
> Where might one find kernel-default-*-lp153-*?  Is there a separate
> backports repo for 15.3?  I didn't see one when I looked this morning.

There isn't which is the problem. As said in the previous comment I set a repo
to build against 15.3 and installing e kernel from there should fix the issue.