Adding the inst.stage2 command flag to the install boot command-line fixed the problem booting from USB.

I recommend that someone update the PPC64 installer images (and other arch's as needed) with that, so that they work as well as x86_64.

If I'm not mistaken the pungi tool is responsible for creating those images. Changing component.

Pungi really only calls lorax to create the image. It seems to me it should be fixed at that level.

If someone could confirm that using inst.stage2=hd:LABEL=ISOLABELWHATEVER works on USB and on DVD media I can change it. Right now it's blank because that's what works with DVDs.

I am not the original party but I hit this on Talos II installing F28ppc64le from USB as above, adding inst.stage2=hd:LABEL=Fedora-S-dvd-ppc64le-28 worked for me!

(In reply to Gregory Maxwell from comment #5)
> I am not the original party but I hit this on Talos II installing F28ppc64le
> from USB as above, adding inst.stage2=hd:LABEL=Fedora-S-dvd-ppc64le-28
> worked for me!

Thanks, my concern is that if I change it it will break DVD support. Are you able to test that?

I could test it in theory. But I really don't care to dig out one old Windows machine with a DVD burner, find a blank DVD somewhere in the back of a dark closet, install DVD burner software if it isn't on there, burn a DVD, find out the old media doesn't work, repeat ad-nauseum.

Just to test something that I even doubt gets used.

Who burns DVDs anymore?

Even if it DID break the DVD boot which I doubt it would, it's a lot more important to have working USB boot support in my opinion.

Oops.


I'd love to test it, unfortunately, my talos II board doesn't have SATA ports... so even if I dug up a DVD burner, I don't have any way to attach it.

(In reply to Brian Lane from comment #6)

> Thanks, my concern is that if I change it it will break DVD support. Are you
> able to test that?

Brian, would a virtual machine with a virtual DVD attached be sufficient for this test?

I think we should test both. A VM is pseries class machine, bare metal is powernv. Both have different boot process. I have Talos with a SATA DVD drive, just lacking the time now to test it. But I want to test it ASAP.

So I got the chance to test it finally and it works as expected with inst.stage2 specified.

with

diff --git a/share/templates.d/99-generic/ppc64le.tmpl b/share/templates.d/99-generic/ppc64le.tmpl
index 16d8d7f1..006211a8 100644
--- a/share/templates.d/99-generic/ppc64le.tmpl
+++ b/share/templates.d/99-generic/ppc64le.tmpl
@@ -50,7 +50,8 @@ install /usr/lib/grub/powerpc-ieee1275/*.lst ${GRUBDIR}/powerpc-ieee1275
 install ${configdir}/grub.cfg.in     ${GRUBDIR}/grub.cfg
 replace @PRODUCT@ '${product.name}'  ${GRUBDIR}/grub.cfg
 replace @VERSION@ ${product.version} ${GRUBDIR}/grub.cfg
-replace @ROOT@    "${rootarg}"       ${GRUBDIR}/grub.cfg
+replace @ROOT@ 'inst.stage2=hd:LABEL=${isolabel|udev}' ${GRUBDIR}/grub.cfg
+##replace @ROOT@    "${rootarg}"       ${GRUBDIR}/grub.cfg
 
 install ${configdir}/mapping ${BOOTDIR}
 

I was able to boot the created boot.iso in
- KVM guest in "pseries" machine from the ISO image
- bare metal with burned DVD
- bare metal with USB stick with the ISO "dd-ed" to it

I'll send a proper PR for lorax ASAP.

opened https://github.com/weldr/lorax/pull/566