I retried today with the ISO from yesterday (March 12th), and I was still not able to complete the post install reboot.
A grep in the installer logs indicate the same/similar issue than before, maybe the fixes haven't reached the ISO yet (or not yet completely)?! log/installer/curtin-install.log-W: kdump-tools: Executing in a chroot, skipping initramfs generation. log/installer/curtin-install.log-/etc/kernel/postinst.d/zz-zipl: log/installer/curtin-install.log:Not invoking zipl: initrd doesn't exist yet log/installer/curtin-install.log-debconf: unable to initialize frontend: Dialog log/installer/curtin-install.log-debconf: (TERM is not set, so the dialog frontend is not usable.) -- log/installer/curtin-install.log-kdump-tools: Removing kdump tracking files for kernel version: 6.12.0-16-generic log/installer/curtin-install.log-/etc/kernel/postrm.d/zz-zipl: log/installer/curtin-install.log:Not invoking zipl: initrd doesn't exist yet log/installer/curtin-install.log-(Reading database ... 91536 files and directories currently installed.) log/installer/curtin-install.log-Purging configuration files for linux-image-6.12.0-16-generic (6.12.0-16.16) ... -- log/installer/curtin-install.log-Running command ['unshare', '--fork', '--pid', '--mount-proc=/target/proc', '--', 'chroot', '/target', 'update-initramfs', '-c', '-k', '6.14.0-7-generic'] with allowed return codes [0] (capture=False) log/installer/curtin-install.log-update-initramfs: Generating /boot/initrd.img-6.14.0-7-generic log/installer/curtin-install.log:Not invoking zipl: initrd doesn't exist yet log/installer/curtin-install.log-Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False) log/installer/curtin-install.log-TIMED subp(['udevadm', 'settle']): 0.004 I'm attaching the /var/log folder that I backed up before I hit reboot. ** Attachment added: "13032025_1.tgz" https://bugs.launchpad.net/ubuntu-z-systems/+bug/2101831/+attachment/5864389/+files/13032025_1.tgz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2101831 Title: 25.04 installation does not come up after post-install reboot on s390x To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/2101831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs