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Re: Powerpc grub_func_test never exits

From: John Paul Adrian Glaubitz
Subject: Re: Powerpc grub_func_test never exits
Date: Sat, 8 Jan 2022 09:11:27 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1

Hi Glenn!

On 1/8/22 01:34, Glenn Washburn wrote:
> I've attached an iso that will reproduce this issue in Debian's QEMU
> 5.2 and 6.1. The QEMU command to run is (not all options may be needed):
> $ qemu-system-ppc -M mac99,via=pmu -m 2048M -nographic -monitor
>     file:/dev/null -fw_cfg name=etc/sercon-port,string=0 -serial null
>     -serial file:/dev/stdout -hda grub.iso -boot c
> This issue is not present in other QEMU tests, which could indicate a
> GRUB issue. But if so, it doesn't seem to present itself on any other
> target that I've been testing. I suspect there's a bug in GRUB that is
> PPC specific that corrupts firmware memory such that halt doesn't
> happen.
> I'm curious how this would behave on real hardware, does it still hang?

I'm not at home at the moment, but I will be glad to burn this to a CD-R
and run it on my iBook G4 and report the results back. That will most
probably happen on Monday.


 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer -
`. `'   Freie Universitaet Berlin -
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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