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[Frank Heimes <1887777@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1885890 ***
    https://bugs.launchpad.net/bugs/1885890

** Tags added: installer s390x

** Changed in: ubuntu-z-systems
   Importance: Undecided => High

** Package changed: linux (Ubuntu) => subiquity

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

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

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

** This bug has been marked a duplicate of bug 1885890
   Installation of ubuntu focal server on zvm DASD-FBA device failed

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https://bugs.launchpad.net/bugs/1887777

Title:
  [UBUNTU 20.04] Failed to install ubuntu 20.04 on FBA disk on a zvm
  guest

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

Bug description:
  Failed to install ubuntu 20.04 on FBA disk on a zvm guest
  ---uname output---
  Linux ubuntu-server 5.4.0-39-generic #43-Ubuntu SMP Fri Jun 19 10:27:17 UTC 2020 s390x s390x s390x GNU/Linux
   
  Machine Type = z14 
   
  ---boot type---
  CDROM / ISO image
   
  ---Install repository type---
  CDROM
   
  ---Point of failure---
  Failed during boot of installer

  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:/#

  == Comment: #1 - Dong Yan Yang <dyyang@xxxxxxxxxx> - 2020-07-01 05:20:54 ==
  From this comment in another bug:
  https://bugzilla.linux.ibm.com/show_bug.cgi?id=185885#c10
  it says: FBA support is in the works

  Are there any documentation mentioned this?

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