Hi,not sure if that needs to be fixed in Debian or in SLOF, but I get dumped into a GRUB rescue shell and need to manually set root and prefix to continue:
# kvm \
-M pseries-9.0 \
-m 32G \
-accel kvm \
-cpu host \
-smp 64,sockets=2,dies=1,clusters=1,cores=8,threads=4 \
-device '{"driver":"vfio-pci","host":"0030:03:00.0"}' \
-nographic \
-vga none \
-drive format=raw,file=/dev/goji/test,if=virtio \
-cdrom /srv/mini.iso
SLOF **********************************************************************
QEMU Starting
Build Date = Dec 16 2025 07:01:50
FW Version = release 20230918
Press "s" to enter Open Firmware.
Populating /vdevice methods
Populating /vdevice/vty@71000000
Populating /vdevice/nvram@71000001
Populating /vdevice/l-lan@71000002
Populating /vdevice/v-scsi@71000003
SCSI: Looking for devices
8200000000000000 CD-ROM : "QEMU QEMU CD-ROM 2.5+"
Populating /pci@800000020000000
00 0000 (D) : 1af4 1001 virtio [ block ]
00 0800 (D) : 8086 e20b vga*
No NVRAM common partition, re-initializing...
Scanning USB
Using default console: /vdevice/vty@71000000
Welcome to Open Firmware
Copyright (c) 2004, 2017 IBM Corporation All rights reserved.
This program and the accompanying materials are made available
under the terms of the BSD License available at
http://www.opensource.org/licenses/bsd-license.php
Trying to load: from: /pci@800000020000000/scsi@0 ...
E3404: Not a bootable device!
Trying to load: from: /vdevice/v-scsi@71000003/disk@8200000000000000
... Successfully loaded
Welcome to GRUB!error: ../../../grub-core/kern/ieee1275/init.c:1035:couldn't examine /ibm,secure
-boot property.error: ../../../grub-core/kern/ieee1275/openfw.c:526:invalid partition number.
error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. error: ../../../grub-core/kern/disk.c:240:disk `' not found. grub rescue> ls(ieee1275/disk) (ieee1275/cdrom) (ieee1275/cdrom,apple4) (ieee1275/cdrom,apple3)
(ieee1275/cdrom,apple2) (ieee1275/cdrom,apple1) grub rescue> set root=(ieee1275/cdrom) grub rescue> set prefix=(ieee1275/cdrom)/boot/grub grub rescue> insmod normal grub rescue> normal Installation proceeds without issues from there. Simon
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