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

[Timothy Pearson]

----- Original Message -----
> From: "Timothy Pearson" <tpearson at raptorengineering.com>
> To: "Steve McIntyre" <steve at einval.com>
> Cc: "990017" <990017 at bugs.debian.org>
> Sent: Thursday, June 17, 2021 7:56:27 PM
> Subject: Re: Bug#990017: [REGRESSION] Bullseye CD installer images fail to install GRUB on OpenPOWER machines

> ----- 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

Correction: that should read "by the partitioner" above.  Autocorrect didn't like that word. :)