Meanwhile the updated s390-tools version has landed in the ISO.
But when trying a KVM install with this updated resolute ISO I still face a
crash:
2026-03-15 15:50:11,675 DEBUG root:38 start:
subiquity/Install/install/curtin_install/run_curtin_step/cmd-install/stage-curthooks/builtin/cmd-curthooks/final-kernel-configuration:
final kernel configuration
2026-03-15 15:50:20,601 ERROR root:38 finish:
subiquity/Install/install/curtin_install/run_curtin_step: FAIL:
2026-03-15 15:50:20,620 ERROR root:38 finish:
subiquity/Install/install/curtin_install: FAIL:
2026-03-15 15:50:20,621 DEBUG subiquity.common.errorreport:386 generating
crash report
2026-03-15 15:50:20,716 INFO subiquity.common.errorreport:412 saving crash
report 'curthooks crashed with CurtinInstallError' to
/var/crash/1773589820.623311281.install_fail.crash
2026-03-15 15:50:20,716 ERROR root:38 finish: subiquity/Install/install: FAIL:
2026-03-15 15:50:20,716 INFO root:38 start:
subiquity/ErrorReporter/1773589820.623311281.install_fail/add_info:
2026-03-15 15:50:20,720 ERROR subiquity.server.server:536 top level error
Traceback (most recent call last):
File
"/snap/subiquity/7106/lib/python3.12/site-packages/subiquity/server/controllers/install.py",
line 249, in run_curtin_step
await run_curtin_command(
File
"/snap/subiquity/7106/lib/python3.12/site-packages/subiquity/server/curtin.py",
line 244, in run_curtin_command
return await cmd.wait(input=input)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/snap/subiquity/7106/lib/python3.12/site-packages/subiquity/server/curtin.py",
line 125, in wait
result = await self.runner.wait(self.proc, input=input)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
2026-03-15 15:50:20,728 INFO root:38 finish: subiquity/Meta/status_GET:
SUCCESS: 200 {"state": "ERROR", "confirming_tty": "/dev/ttysclp0", "error":
{"state": "INC...
InstallerServerLogInfo:
2026-03-15 15:49:36,630 INFO subiquity:234 Starting Subiquity server revision
7106 of snap /snap/subiquity/7106 of version 25.10+git168.6348d31b
I was unfortunately not able to find more details in the curtain logs
about what's happening.
(attaching full /var/log and /var/crash)
** Attachment added: "ubu-vm-01_15.03.2026.tgz"
https://bugs.launchpad.net/ubuntu-z-systems/+bug/2143803/+attachment/5952747/+files/ubu-vm-01_15.03.2026.tgz
** Also affects: curtain (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2143803
Title:
Installation of resolute KVM guest crashed
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