Re: [PATCH for-9.2 00/10] s390: Convert virtio-ccw, cpu to three-phase reset, and followup cleanup

[Nico Boehr]

Quoting Peter Maydell (2024-08-29 15:09:44)
> Thanks. I tried this repro, but mkosi falls over almost
> immediately:
> 
> ‣ Detaching namespace
> ‣ Setting up package cache…
> ‣ Setting up package cache /home/linux1/s390-failure/.mkosi-htsau2ot complete
> ‣ Setting up temporary workspace.
> ‣ Temporary workspace set up in /var/tmp/mkosi-tjc0nror
> ‣ Running second (final) stage…
> ‣  Creating image with partition table…
> Disk /home/linux1/s390-failure/.mkosi-ddkx5xpb: 3 GiB, 3221266432
> bytes, 6291536 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> 
> >>> Script header accepted.
> >>> Script header accepted.
> >>> Script header accepted.
> >>> Created a new GPT disklabel (GUID: 14CF3B05-D072-0A45-8EE4-3219112ACB2E).
> /home/linux1/s390-failure/.mkosi-ddkx5xpb1: Created a new partition 1
> of type 'unknown' and of size 3 GiB.
> /home/linux1/s390-failure/.mkosi-ddkx5xpb2: Done.
> 
> New situation:
> Disklabel type: gpt
> Disk identifier: 14CF3B05-D072-0A45-8EE4-3219112ACB2E
> 
> Device                                     Start     End Sectors Size Type
> /home/linux1/s390-failure/.mkosi-ddkx5xpb1    40 6291495 6291456   3G unknown
> 
> The partition table has been altered.
> ‣  Created image with partition table as
> /home/linux1/s390-failure/.mkosi-ddkx5xpb
> ‣  Attaching /home/linux1/s390-failure/.mkosi-ddkx5xpb as loopback…
> ‣  Attached /dev/loop13
> ‣  Formatting root partition…
> mke2fs 1.46.5 (30-Dec-2021)
> The file /dev/loop13p1 does not exist and no size was specified.
> ‣  (Detaching /dev/loop13)
> Traceback (most recent call last):
>   File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
>     return _run_code(code, main_globals, None,
>   File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
>     exec(code, run_globals)
>   File "/usr/lib/python3/dist-packages/mkosi/__main__.py", line 32, in 
> <module>
>     main()
>   File "/usr/lib/python3/dist-packages/mkosi/__main__.py", line 26, in main
>     run_verb(a)
>   File "/usr/lib/python3/dist-packages/mkosi/__init__.py", line 7809,
> in run_verb
>     manifest = build_stuff(args)
>   File "/usr/lib/python3/dist-packages/mkosi/__init__.py", line 7227,
> in build_stuff
>     image = build_image(args, root, manifest=manifest,
> do_run_build_script=False, cleanup=True)
>   File "/usr/lib/python3/dist-packages/mkosi/__init__.py", line 6941,
> in build_image
>     prepare_root(args, encrypted.root, cached)
>   File "/usr/lib/python3/dist-packages/mkosi/__init__.py", line 1308,
> in prepare_root
>     mkfs_generic(args, label, path, dev)
>   File "/usr/lib/python3/dist-packages/mkosi/__init__.py", line 1031,
> in mkfs_generic
>     run([*cmdline, dev])
>   File "/usr/lib/python3/dist-packages/mkosi/backend.py", line 699, in run
>     return subprocess.run(cmdline, check=check, stdout=stdout,
> stderr=stderr, **kwargs)
>   File "/usr/lib/python3.10/subprocess.py", line 526, in run
>     raise CalledProcessError(retcode, process.args,
> subprocess.CalledProcessError: Command '['mkfs.ext4', '-I', '256',
> '-L', 'root', '-M', '/', '/dev/loop13p1']' returned non-zero exit
> status 1.
> 
> (My s390 box is running Ubuntu, in case that makes a difference.)
> 
> Maybe you could put the kernel and initrd somewhere I can
> get them from?

Sigh. Yeah, I'll try to find a way (may take a while).

In the meantime, looks like mkosi is trying to create an block image, but
that's not what it's configured to do; are you sure mkosi.conf is in the
same directory you're calling it from?