--- Comment From daniel.axte...@ibm.com 2021-02-16 20:13 EDT---
I retested this with my pseries secure boot setup. I built the key from the PPA
into grub and signed grub with the testing key which I built into SLOF.
I was then able to boot 5.11.0-9-generic in secure boot mode and without
--- Comment From daniel.axte...@ibm.com 2020-12-17 23:45 EDT---
Squeezing in right before the end of the year! I tested this with my pseries
secure boot setup. I built the key from the PPA into grub and signed grub with
the testing key which I built into SLOF.
I was then able to boot
--- Comment From daniel.axte...@ibm.com 2020-12-14 19:40 EDT---
Hi,
Thanks for your patience.
I tested 5.10.0-8-generic. /boot/config-5.10.0-8-generic contains:
# CONFIG_RCU_SCALE_TEST is not set
It boots fine in a P9 kvm guest, both when loaded by kexec and when
loaded by grub. There
--- Comment From daniel.axte...@ibm.com 2020-12-10 08:44 EDT---
Hi,
We've had some good progress with debugging upstream:
https://lore.kernel.org/lkml/20201209202732.5896-1-ure...@gmail.com/t/#u
fixes the issue properly.
Would you prefer to take that and leave the config unchanged? It'll
--- Comment From daniel.axte...@ibm.com 2020-12-01 23:08 EDT---
No worries, let me know if you'd like me to test another spin.
We continue to look into the issue upstream: https://lore.kernel.org
/linuxppc-dev/87eekfh80a@dja-thinkpad.axtens.net/
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--- Comment From daniel.axte...@ibm.com 2020-11-25 21:40 EDT---
Ok, so sadly I cannot find a tarball with the patches not already applied,
which is very frustrating. However, it turns out I don't need that because, as
it turns out...
Doing an upstream checkout of v5.10-rc4 and building
--- Comment From daniel.axte...@ibm.com 2020-11-25 06:47 EDT---
Hi,
Thanks, I'll look at sources tarball, hopefully tomorrow. (I'm in AU, so
no thanksgiving here!)
Have you tested this on any of your local systems? I can't get it to
work much on P9, even on stock hardware/qemu without
--- Comment From daniel.axte...@ibm.com 2020-11-25 00:34 EDT---
Hi,
Looks like it fails to boot on a p9 qemu/kvm guest even out of grub:
hangs trying to bring up SMP. That's probably what we saw in bare-metal
too, the console probably just didn't catch up.
I will continue investigating,
--- Comment From daniel.axte...@ibm.com 2020-11-24 02:07 EDT---
Hi,
Ok, I have been experimenting with the hirsute kernel: 5.10.0-4-generic
#5-Ubuntu
It boots without issue on a pseries guest with secure boot both on and
off. However, this doesn't exercise booting out of kexec.
Booting
