[Bug 2016860] [NEW] Error/crash while trying to wipe disk during 23.04 install

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You have been subscribed to a public bug by Dan Bungert (dbungert):

While testing the 23.04 RC image (timestamp April 15th)
and using
subiquity  23.04.1       4677
on z/VM (s390x) with a DASD FBA disk,
the installed crashed during installation with:

 devsync happy - path /dev/dasda now exists
 return volume path /dev/dasda
 Running command ['wipefs', '--all', '--force', '/dev/dasda'] with allowed retur
n codes [0] (capture=False)
 Wiping path: dev:/dev/dasda1 kname:dasda1 partnum:1
 Running command ['wipefs', '--all', '--force', '/dev/dasda1'] with allowed retu
rn codes [0] (capture=False)
 wipefs: error: /dev/dasda1: probing initialization failed: No such file or directory
 An error occured handling 'disk-dasda': ProcessExecutionError - Unexpected error while running command.
 Command: ['wipefs', '--all', '--force', '/dev/dasda1']
 Exit code: 1
 Reason: -
 Stdout: ''
 Stderr: ''
 finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: configuring disk: disk-dasda
 TIMED BLOCK_META: 17.898
 finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin com
mand block-meta
 Traceback (most recent call last):
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/commands/main.py", line 202, in main
     ret = args.func(args)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/log.py", line 97, in wrapper
     return log_time("TIMED %s: " % msg, func, *args, **kwargs)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/log.py", line 79, in log_time
     return func(*args, **kwargs)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 124, in block_meta
     return meta_custom(args)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 2191, in meta_custom
     handler(command, storage_config_dict, context)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 768, in disk_handler
     block.wipe_volume(disk, mode=info.get('wipe'))
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/block/__init__.py", line 1324, in wipe_volume
     quick_zero(path, partitions=True, exclusive=exclusive)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/block/__init__.py", line 1233, in quick_zero
     quick_zero(pt, partitions=False)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/block/__init__.py", line 1214, in quick_zero
     util.subp(['wipefs', '--all', '--force', path])
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/util.py", line 275, in subp
     return _subp(*args, **kwargs)
   File "/snap/subiquity/4677/lib/python3.10/site-packages/curtin/util.py", line 139, in _subp
     raise ProcessExecutionError(stdout=out, stderr=err,
 curtin.util.ProcessExecutionError: Unexpected error while running command.
 Command: ['wipefs', '--all', '--force', '/dev/dasda1']
 Exit code: 1
 Reason: -
 Stdout: ''
 Stderr: ''
 Unexpected error while running command.
 Command: ['wipefs', '--all', '--force', '/dev/dasda1']
 Exit code: 1
 Reason: -
 Stdout: ''

The DASD FBA disk exists:

root at ubuntu-server:/# lsdasd
Bus-ID    Status    Name      Device  Type         BlkSz  Size      Blocks
================================================================================
0.0.0101  active    dasda     94:0    FBA          512    16383MB   33554368
root at ubuntu-server:/# ls -l /dev/dasd*
crw------- 1 root root 10, 120 Apr 18 10:31 /dev/dasd_eer
brw-rw---- 1 root disk 94,   0 Apr 18 10:35 /dev/dasda
brw-rw---- 1 root disk 94,   1 Apr 18 10:35 /dev/dasda1
root at ubuntu-server:/#

But the installer seems to fail wiping it.

The full logs (var/crash and /var/log) are attached.

** Affects: subiquity
     Importance: High
     Assignee: Dan Bungert (dbungert)
         Status: Triaged

** Affects: ubuntu-z-systems
     Importance: High
     Assignee: Frank Heimes (fheimes)
         Status: Triaged


** Tags: 23.04 foundations-todo installer s390x
-- 
Error/crash while trying to wipe disk during 23.04 install
https://bugs.launchpad.net/bugs/2016860
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