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[Bug 1873941] [NEW] focal installation failed on s390x with zFCP multipath disks

 

Public bug reported:

wiping device '/dev/sda1' failed on attempt 3/4.  sleeping 5s before retry
 wiping /dev/sda1 attempt 4/4
 wiping 1M on /dev/sda1 at offsets [0, -1048576]
 Failed to exclusively open path: /dev/sda1
 devname '/dev/sda1' had holders: []
 Device holders with exclusive access: []
 Device mounts: []
 Running command ['fuser', '--verbose', '--mount', '/dev/sda1'] with allowed return codes [0] (capture=True)
 fuser returned non-zero: ''
 Possible users of /dev/sda1:
 None
 finish: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: FAIL: removing previous storage devices
 TIMED BLOCK_META: 11.412
 finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin command block-meta
 Traceback (most recent call last):
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/main.py", line 202, in main
     ret = args.func(args)
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/log.py", line 97, in wrapper
     return log_time("TIMED %s: " % msg, func, *args, **kwargs)
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/log.py", line 79, in log_time
     return func(*args, **kwargs)
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 96, in block_meta
     meta_clear(devices, state.get('report_stack_prefix', ''))
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 1821, in meta_clear
     clear_holders.clear_holders(devices)
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 628, in clear_holders
     shutdown_function(dev_info['device'])
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 301, in wipe_superblock
     _wipe_superblock(blockdev)
   File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 335, in _wipe_superblock
...

** Affects: curtin
     Importance: Undecided
         Status: New

** Affects: ubuntu-z-systems
     Importance: High
     Assignee: Canonical Server Team (canonical-server)
         Status: New


** Tags: installer s390x

** Attachment added: "20042020_1.tgz"
   https://bugs.launchpad.net/bugs/1873941/+attachment/5357316/+files/20042020_1.tgz

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

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https://bugs.launchpad.net/bugs/1873941

Title:
  focal installation failed on s390x with zFCP multipath disks

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

Bug description:
  wiping device '/dev/sda1' failed on attempt 3/4.  sleeping 5s before retry
   wiping /dev/sda1 attempt 4/4
   wiping 1M on /dev/sda1 at offsets [0, -1048576]
   Failed to exclusively open path: /dev/sda1
   devname '/dev/sda1' had holders: []
   Device holders with exclusive access: []
   Device mounts: []
   Running command ['fuser', '--verbose', '--mount', '/dev/sda1'] with allowed return codes [0] (capture=True)
   fuser returned non-zero: ''
   Possible users of /dev/sda1:
   None
   finish: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: FAIL: removing previous storage devices
   TIMED BLOCK_META: 11.412
   finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin command block-meta
   Traceback (most recent call last):
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/main.py", line 202, in main
       ret = args.func(args)
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/log.py", line 97, in wrapper
       return log_time("TIMED %s: " % msg, func, *args, **kwargs)
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/log.py", line 79, in log_time
       return func(*args, **kwargs)
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 96, in block_meta
       meta_clear(devices, state.get('report_stack_prefix', ''))
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/commands/block_meta.py", line 1821, in meta_clear
       clear_holders.clear_holders(devices)
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 628, in clear_holders
       shutdown_function(dev_info['device'])
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 301, in wipe_superblock
       _wipe_superblock(blockdev)
     File "/snap/subiquity/1735/lib/python3.6/site-packages/curtin/block/clear_holders.py", line 335, in _wipe_superblock
  ...

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