iso-offline-install.mpath.s390fw failing on chreipl

[jlebon]

coreos/coreos-assembler#3283 adds new kola testiso tests for s390x ISOs. However, iso-offline-install.mpath.s390fw seems to be failing:

         Starting coreos-installer.service - CoreOS Installer...
[   27.478739] coreos-installer-service[1167]: coreos-installer install --config-file /etc/coreos/installer.d/mantle.yaml --fetch-retries infinite
[   28.275105] coreos-installer-service[1192]: Running with arguments: --image-url http://10.0.2.2:35891/fedora-coreos-37.20230307.dev.0-metal.s390x.raw --ignition-file /var/opt/pointer.ign --append-karg rd.multipath=default --append-karg
root=/dev/disk/by-label/dm-mpath-root --append-karg rw --insecure /dev/mapper/mpatha --fetch-retries infinite
[   28.276094] coreos-installer-service[1192]: Downloading image from http://10.0.2.2:35891/fedora-coreos-37.20230307.dev.0-metal.s390x.raw
[   28.276171] coreos-installer-service[1192]: Downloading signature from http://10.0.2.2:35891/fedora-coreos-37.20230307.dev.0-metal.s390x.raw.sig
[   28.541768] coreos-installer-service[1192]: Failed to fetch signature: fetching signature URL
[   28.570908] coreos-installer-service[1192]: Signature not found; skipping verification as requested
[   29.830956] coreos-installer-service[1192]: Read disk 64.2 MiB/2.1 GiB (2%)
...
[   47.290611] coreos-installer-service[1192]: Read disk 2.1 GiB/2.1 GiB (100%)
[   54.755783] coreos-installer-service[1192]: Writing Ignition config
[   54.757356] coreos-installer-service[1192]: Modifying kernel arguments
[   55.378593] coreos-installer-service[1274]: Using config file '/tmp/coreos-installer-zipl.UkqGhG' (from command line)
[   55.378786] coreos-installer-service[1274]: Using BLS config file '/tmp/coreos-installer-zipl-bls-AXE5mm/loader/entries/ostree-1-fedora-coreos.conf'
[   55.378825] coreos-installer-service[1274]: Run /lib/s390-tools//zipl_helper.device-mapper /tmp/coreos-installer-i3yY54
[   55.378863] coreos-installer-service[1274]: Building bootmap in '/tmp/coreos-installer-i3yY54'
[   55.378896] coreos-installer-service[1274]: Building menu 'zipl-automatic-menu'
[   55.378930] coreos-installer-service[1274]: Adding #1: IPL section 'Fedora CoreOS 37.20230307.dev.0 (ostree:0)' (default)
[   55.378967] coreos-installer-service[1274]: Preparing boot device: for LD-IPL: dm-0.
[   55.379001] coreos-installer-service[1274]: Done.
[   55.380222] coreos-installer-service[1192]: Updating re-IPL device
[   55.388864] coreos-installer-service[1284]: chreipl: Could not open "/sys/block/sdb/device/wwpn" (No such file or directory)
[   55.396672] coreos-installer-service[1192]: Error: "chreipl" "/dev/mapper/mpatha" failed with exit status: 1
[   55.396765] coreos-installer-service[1192]: Resetting partition table
[   56.034009] coreos-installer-service[1192]: Error: install failed

Installing onto a multipath target is documented as supported and works on other arches.

[nikita-dubrovskii]

All PRs were merged