Comment # 76 on bug 1173733 from Matthias Bach

(In reply to steve edmonds from comment #74)
> (In reply to Mister Pend from comment #73)
> > (In reply to steve edmonds from comment #71)
> > > Sorry to jump in here, please correct me if wrong, am I correct in assuming
> > > this bug is preventing my applications requiring CUDA (Davinci Resolve,
> > > Blender) failing to run after a DUP from Leap 15.1 to 15.2.
> > > I have tried the Systemd Unit providing a workaround suggestion but that
> > > failed to work.
> > 
> > It would seek likely. A workaround (not a solution, but a workaround) that
> > works for me was adding the following to the root crontab:
> > 
> > @reboot nvidia-modprobe -u -c=0
> > 
> > (or running "nvidia-modprobe -u -c=0" as an elevated user once every boot).
> > After this it may start working for you.
> 
> Unfortunately that has not worked for me either.I have not tried modifying
> the initrd, I am not quite sure which action to take.
> sudo lsinitrd | grep nvidia | grep -v firmware 
> gives only 
>
> [���]

That initrd looks correct to my non-expert eye. Some other things that might be
interesting:

1) Output of `lsmod | grep nvidia`
2) Output of `ls -lh /dev/nvidia*`
3) Is you user a member of the group `video`?
4) Output of `clinfo | head -n 5`