[Bug 1892441] Re: "No zIPL section in IPL2 record" error when emulating Debian 10.5.0 on s390x

[Bruno Haible]

Yes. For booting Debian images using QEMU (<= 5.0.0) I use this recipe:

machine_args="-M s390-ccw-virtio -m 512"
disk_args="-drive file=debian86.img,if=none,format=raw,id=hd0 -device 
virtio-blk-ccw,drive=hd0"
net_args=""
display_args="-display gtk -monitor stdio"
common_args="$machine_args $disk_args $net_args $display_args"

Pull kernel and initrd from the ftp server:
mkdir boot-for-install
(cd boot-for-install
 wget 
ftp://ftp.de.debian.org/pub/debian/dists/jessie/main/installer-s390x/current/images/generic/kernel.debian
 wget 
ftp://ftp.de.debian.org/pub/debian/dists/jessie/main/installer-s390x/current/images/generic/initrd.debian)

Then, for running the installer:
qemu-system-s390x $common_args -kernel boot-for-install/kernel.debian -initrd 
boot-for-install/initrd.debian

For booting from disk:
qemu-system-s390x $common_args -kernel boot/vmlinuz -initrd boot/initrd.img 
-append "root=/dev/vda2"

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https://bugs.launchpad.net/bugs/1892441

Title:
  "No zIPL section in IPL2 record" error when emulating Debian 10.5.0 on
  s390x

Status in QEMU:
  Invalid

Bug description:
  Hi,

  I want to emulate Debian 10.5.0 for the s390x architecture on an
  Ubuntu x86_64 host.

  The Debian image is downloaded from the following link:
  
https://cdimage.debian.org/debian-cd/current/s390x/iso-cd/debian-10.5.0-s390x-netinst.iso

  Using the latest QEMU version 5.1.0, the Debian image is emulated using the 
given command:
  qemu-system-s390x -boot d -m 4096 -hda debian.qcow -cdrom 
debian-10.5.0-s390x-netinst.iso -nographic

  Running the command causes the output below:

      LOADPARM=[        ]
      Using virtio-blk.
      Using guessed DASD geometry.
      Using ECKD scheme (block size  4096), CDL
      
      ! No zIPL section in IPL2 record. !

  Using exactly the same qemu command above with the Alpine 3.12 image
  for s390x ran successfully without any errors.

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