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[Frank Heimes <1885890@xxxxxxxxxxxxxxxxxx>]

** Also affects: curtin
   Importance: Undecided
       Status: New

** Also affects: subiquity
   Importance: Undecided
       Status: New

** Changed in: ubuntu-z-systems
     Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)

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https://bugs.launchpad.net/bugs/1885890

Title:
  Installation of ubuntu focal server on zvm DASD-FBA device failed

Status in curtin:
  New
Status in subiquity:
  New
Status in Ubuntu on IBM z Systems:
  Triaged

Bug description:
  I'm installing a ubuntu focal server on a zvm guest with one single
  DASD-FBA disk and use the default one single partition mode on the
  page of selecting partition.

  After the partition selection and continue, the installer aborted.

  Following errors can be found in /var/log/curtin/install.log:

          Checking if dasd 0.0.0100 needs formatting
          Running command ['dasdview', '--extended', '/dev/dasda'] with allowed return codes [0] (capture=True)
          An error occured handling 'dasd-dasda': ValueError - dasdview output has fewer than 52 lines, cannot parse
          finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: configuring dasd: dasd-dasda
          TIMED BLOCK_META: 18.075
          finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin command block-meta
          Traceback (most recent call last):
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/commands/main.py", line 202, in main
              ret = args.func(args)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/log.py", line 97, in wrapper
              return log_time("TIMED %s: " % msg, func, *args, **kwargs)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/log.py", line 79, in log_time
              return func(*args, **kwargs)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 111, in block_meta
              return meta_custom(args)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 1911, in meta_custom
              handler(command, storage_config_dict)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 564, in dasd_handler
              disk_layout, label)):
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/block/dasd.py", line 561, in needs_formatting
              if layout != self.disk_layout():
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/block/dasd.py", line 519, in disk_layout
              view = dasdview(self.devname)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/block/dasd.py", line 65, in dasdview
              return _parse_dasdview(out)
            File "/snap/subiquity/1937/lib/python3.6/site-packages/curtin/block/dasd.py", line 226, in _parse_dasdview
              'dasdview output has fewer than 52 lines, cannot parse')
          ValueError: dasdview output has fewer than 52 lines, cannot parse
          dasdview output has fewer than 52 lines, cannot parse


  root@ubuntu-server:/# uname -a
  Linux ubuntu-server 5.4.0-39-generic #43-Ubuntu SMP Fri Jun 19 10:27:17 UTC 2020 s390x s390x s390x GNU/Linux
  root@ubuntu-server:/# cat /proc/cmdline
  ip=9.152.85.241::9.152.84.1:255.255.252.0:u20:enc1000:none:9.152.120.241        url=ftp://9.123.155.79/pub/ubuntu-20-daily/focal-live-server-s390x.iso           --- quiet
  root@ubuntu-server:/#

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