Bug#990017: [REGRESSION] Bullseye CD installer images fail to install GRUB on OpenPOWER machines

[Timothy Pearson]

----- Original Message -----
> From: "Steve McIntyre" <steve at einval.com>
> To: "Timothy Pearson" <tpearson at raptorengineering.com>, 990017 at bugs.debian.org
> Sent: Thursday, June 17, 2021 7:43:15 PM
> Subject: Re: Bug#990017: [REGRESSION] Bullseye CD installer images fail to install GRUB on OpenPOWER machines

> Control: reassign -1 grub-ieee1275
> 
> Hi Timothy,
> 
> Reassigning this to the correct package where it should get more
> attention...

Thank you, much appreciated.

> On Thu, Jun 17, 2021 at 04:20:47PM -0500, Timothy Pearson wrote:
>>Package: debian-cd
>>Severity: Grave
>>
>>Attempting to use the latest Bullseye RC2 CD installer on an OpenPOWER machine
>>results in a fatal error during bootloader installation:
>>
>>Jun 17 21:14:45 grub-installer: info: Installing grub on '/dev/sda1'
>>Jun 17 21:14:45 grub-installer: info: grub-install does not support --no-floppy
>>Jun 17 21:14:45 grub-installer: info: Running chroot /target grub-install
>>--force "/dev/sda1"
>>Jun 17 21:14:45 grub-installer: Installing for powerpc-ieee1275 platform.
>>Jun 17 21:14:57 grub-installer: grub-install: error: unknown filesystem.
>>Jun 17 21:14:57 grub-installer: error: Running 'grub-install  --force
>>"/dev/sda1"' failed.
>>
>>The bootloader installs normally using the Buster CD installers on the same
>>hardware.
> 
> Just a quick sanity check - how did you partition the disk? Does it
> have the normal boot partition etc. needed for OpenPOWER? I'll admit I
> don't know all the details here - I'm not a powerpc expert.

All defaults.  PReP partition was added automatically by the apparition, it almost looks like Grub doesn't know what to do with it?

Layout:
PReP:   /dev/sda1
System: /dev/sda2
Swap:   /dev/sda3