---- [[ subiquity step initial ]] ----
curtin: Installation started. (22.1-125-g7c18bf6a2)
curtin: Installation finished.

---- [[ subiquity step partitioning ]] ----
curtin: Installation started. (22.1-125-g7c18bf6a2)
start: cmd-install/stage-partitioning/builtin/cmd-block-meta: curtin command block-meta
get_path_to_storage_volume for volume partition-0({'device': 'disk-sda', 'size': 126906007552, 'wipe': 'superblock', 'number': 2, 'preserve': False, 'offset': 1128267776, 'id': 'partition-0', 'type': 'partition'})
get_path_to_storage_volume for volume disk-sda({'ptable': 'gpt', 'serial': 'FORESEE_128GB_SSD_K44700J003729', 'wwn': '0x502b2a201d1c1b1a', 'path': '/dev/sda', 'preserve': True, 'name': '', 'grub_device': False, 'id': 'disk-sda', 'type': 'disk'})
Processing serial 0x502b2a201d1c1b1a via udev to 0x502b2a201d1c1b1a
lookup_disks found: ['wwn-0x502b2a201d1c1b1a', 'wwn-0x502b2a201d1c1b1a-part1', 'wwn-0x502b2a201d1c1b1a-part2']
Running command ['udevadm', 'info', '--query=property', '--export', '/dev/sda'] with allowed return codes [0] (capture=True)
/dev/sda is multipath device? False
Running command ['udevadm', 'info', '--query=property', '--export', '/dev/sda'] with allowed return codes [0] (capture=True)
/dev/sda is multipath device member? False
block.lookup_disk() returning path /dev/sda
Running command ['partprobe', '/dev/sda'] with allowed return codes [0, 1] (capture=False)
Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
TIMED udevadm_settle(): 0.067
devsync happy - path /dev/sda now exists
return volume path /dev/sda
Running command ['partprobe', '/dev/sda'] with allowed return codes [0, 1] (capture=False)
Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
TIMED udevadm_settle(): 0.064
devsync happy - path /dev/sda now exists
return volume path /dev/sda2
block-meta: extracted devices to clear: ['/dev/sda2']
Declared block devices: ['/dev/sda2']
clearing devices=['/dev/sda2']
start: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: removing previous storage devices
Running command ['mdadm', '--assemble', '--scan', '-v'] with allowed return codes [0, 1, 2] (capture=True)
mdadm assemble scan results:

mdadm: looking for devices for further assembly
mdadm: no recogniseable superblock on /dev/loop13
mdadm: no recogniseable superblock on /dev/loop12
mdadm: no recogniseable superblock on /dev/loop11
mdadm: no recogniseable superblock on /dev/loop10
mdadm: no recogniseable superblock on /dev/loop9
mdadm: no recogniseable superblock on /dev/loop8
mdadm: no recogniseable superblock on /dev/sdb4
mdadm: no recogniseable superblock on /dev/sdb3
mdadm: Cannot assemble mbr metadata on /dev/sdb2
mdadm: no recogniseable superblock on /dev/sdb1
mdadm: Cannot assemble mbr metadata on /dev/sdb
mdadm: no recogniseable superblock on /dev/sda2
mdadm: Cannot assemble mbr metadata on /dev/sda1
mdadm: Cannot assemble mbr metadata on /dev/sda
mdadm: no recogniseable superblock on /dev/loop7
mdadm: no recogniseable superblock on /dev/loop6
mdadm: no recogniseable superblock on /dev/loop5
mdadm: no recogniseable superblock on /dev/loop4
mdadm: no recogniseable superblock on /dev/loop3
mdadm: no recogniseable superblock on /dev/loop2
mdadm: no recogniseable superblock on /dev/loop1
mdadm: no recogniseable superblock on /dev/loop0
mdadm: No arrays found in config file or automatically

Running command ['mdadm', '--detail', '--scan', '-v'] with allowed return codes [0, 1] (capture=True)
mdadm detail scan after assemble:


Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
TIMED udevadm_settle(): 0.005
Running command ['pvscan'] with allowed return codes [0] (capture=True)
Running command ['vgscan'] with allowed return codes [0] (capture=True)
Running command ['vgchange', '--activate=y'] with allowed return codes [0] (capture=True)
Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
TIMED udevadm_settle(): 0.018
Loading kernel module bcache via modprobe
Running command ['modprobe', '--use-blacklist', 'bcache'] with allowed return codes [0] (capture=False)
Generating device storage trees for path(s): ['/dev/sda2']
devname '/sys/class/block/sda2' had holders: []
Current device storage tree:
sda2
Shutdown Plan:
{'level': 0, 'device': '/sys/class/block/sda2', 'dev_type': 'partition'}
shutdown running on holder type: 'partition' syspath: '/sys/class/block/sda2'
Running command ['lsblk', '--noheadings', '--bytes', '--pairs', '--output=ALIGNMENT,DISC-ALN,DISC-GRAN,DISC-MAX,DISC-ZERO,FSTYPE,GROUP,KNAME,LABEL,LOG-SEC,MAJ:MIN,MIN-IO,MODE,MODEL,MOUNTPOINT,NAME,OPT-IO,OWNER,PHY-SEC,RM,RO,ROTA,RQ-SIZE,SIZE,STATE,TYPE,UUID', '/dev/sda'] with allowed return codes [0] (capture=True)
get_blockdev_sector_size: info:
{
 "sda": {
  "ALIGNMENT": "0",
  "DISC-ALN": "0",
  "DISC-GRAN": "512",
  "DISC-MAX": "2147450880",
  "DISC-ZERO": "0",
  "FSTYPE": "",
  "GROUP": "disk",
  "KNAME": "sda",
  "LABEL": "",
  "LOG-SEC": "512",
  "MAJ:MIN": "8:0",
  "MIN-IO": "512",
  "MODE": "brw-rw----",
  "MODEL": "FORESEE 128GB SSD",
  "MOUNTPOINT": "",
  "NAME": "sda",
  "OPT-IO": "0",
  "OWNER": "root",
  "PHY-SEC": "512",
  "RM": "0",
  "RO": "0",
  "ROTA": "0",
  "RQ-SIZE": "64",
  "SIZE": "128035676160",
  "STATE": "running",
  "TYPE": "disk",
  "UUID": "",
  "device_path": "/dev/sda"
 },
 "sda1": {
  "ALIGNMENT": "0",
  "DISC-ALN": "0",
  "DISC-GRAN": "512",
  "DISC-MAX": "2147450880",
  "DISC-ZERO": "0",
  "FSTYPE": "vfat",
  "GROUP": "disk",
  "KNAME": "sda1",
  "LABEL": "",
  "LOG-SEC": "512",
  "MAJ:MIN": "8:1",
  "MIN-IO": "512",
  "MODE": "brw-rw----",
  "MODEL": "",
  "MOUNTPOINT": "",
  "NAME": "sda1",
  "OPT-IO": "0",
  "OWNER": "root",
  "PHY-SEC": "512",
  "RM": "0",
  "RO": "0",
  "ROTA": "0",
  "RQ-SIZE": "64",
  "SIZE": "1127219200",
  "STATE": "",
  "TYPE": "part",
  "UUID": "1002-F50E",
  "device_path": "/dev/sda1"
 },
 "sda2": {
  "ALIGNMENT": "0",
  "DISC-ALN": "0",
  "DISC-GRAN": "512",
  "DISC-MAX": "2147450880",
  "DISC-ZERO": "0",
  "FSTYPE": "ext4",
  "GROUP": "disk",
  "KNAME": "sda2",
  "LABEL": "",
  "LOG-SEC": "512",
  "MAJ:MIN": "8:2",
  "MIN-IO": "512",
  "MODE": "brw-rw----",
  "MODEL": "",
  "MOUNTPOINT": "/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe",
  "NAME": "sda2",
  "OPT-IO": "0",
  "OWNER": "root",
  "PHY-SEC": "512",
  "RM": "0",
  "RO": "0",
  "ROTA": "0",
  "RQ-SIZE": "64",
  "SIZE": "126906007552",
  "STATE": "",
  "TYPE": "part",
  "UUID": "4aff8685-d1be-478c-885e-9b4d10b67afe",
  "device_path": "/dev/sda2"
 }
}
get_blockdev_sector_size: (log=512, phys=512)
Running command ['lsblk', '--noheadings', '--bytes', '--pairs', '--output=ALIGNMENT,DISC-ALN,DISC-GRAN,DISC-MAX,DISC-ZERO,FSTYPE,GROUP,KNAME,LABEL,LOG-SEC,MAJ:MIN,MIN-IO,MODE,MODEL,MOUNTPOINT,NAME,OPT-IO,OWNER,PHY-SEC,RM,RO,ROTA,RQ-SIZE,SIZE,STATE,TYPE,UUID'] with allowed return codes [0] (capture=True)
Checking if /dev/sda2 is a swap device
Found swap magic: b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
wiping superblock on /dev/sda2
wiping /dev/sda2 attempt 1/4
Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
/dev/sda2: 2 bytes were erased at offset 0x00000438 (ext4): 53 ef
wiping 1M on /dev/sda2 at offsets [0, -1048576]
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
wiping device '/dev/sda2' failed on attempt 1/4.  sleeping 1s before retry
wiping /dev/sda2 attempt 2/4
Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
wiping 1M on /dev/sda2 at offsets [0, -1048576]
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
wiping device '/dev/sda2' failed on attempt 2/4.  sleeping 3s before retry
wiping /dev/sda2 attempt 3/4
Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
wiping 1M on /dev/sda2 at offsets [0, -1048576]
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
wiping device '/dev/sda2' failed on attempt 3/4.  sleeping 5s before retry
wiping /dev/sda2 attempt 4/4
Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
wiping 1M on /dev/sda2 at offsets [0, -1048576]
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
Failed to exclusively open path: /dev/sda2
devname '/dev/sda2' had holders: []
Device holders with exclusive access: []
Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
Possible users of /dev/sda2:
{'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
finish: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: FAIL: removing previous storage devices
TIMED BLOCK_META: 14.787
finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin command block-meta
Traceback (most recent call last):
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1166, in exclusive_open
    fd = os.open(path, flags)
OSError: [Errno 16] Device or resource busy: '/dev/sda2'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/main.py", line 202, in main
    ret = args.func(args)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/log.py", line 97, in wrapper
    return log_time("TIMED %s: " % msg, func, *args, **kwargs)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/log.py", line 79, in log_time
    return func(*args, **kwargs)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 118, in block_meta
    meta_clear(devices, state.get('report_stack_prefix', ''))
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 2184, in meta_clear
    clear_holders.clear_holders(devices)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 638, in clear_holders
    shutdown_function(dev_info['device'])
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 311, in wipe_superblock
    _wipe_superblock(blockdev)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 344, in _wipe_superblock
    block.wipe_volume(blockdev, mode='superblock', exclusive=exclusive)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1343, in wipe_volume
    quick_zero(path, partitions=False, exclusive=exclusive)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1256, in quick_zero
    util.not_exclusive_retry(
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/util.py", line 1328, in not_exclusive_retry
    return fun(*args, **kwargs)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1278, in zero_file_at_offsets
    with exclusive_open(path, exclusive=exclusive) as fp:
  File "/snap/ubuntu-desktop-installer/1267/usr/lib/python3.10/contextlib.py", line 135, in __enter__
    return next(self.gen)
  File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1188, in exclusive_open
    raise NotExclusiveError from exc
curtin.util.NotExclusiveError

curtin: Installation failed with exception: Unexpected error while running command.
Command: ['curtin', 'block-meta', 'simple']
Exit code: 3
Reason: -
Stdout: start: cmd-install/stage-partitioning/builtin/cmd-block-meta: curtin command block-meta
        get_path_to_storage_volume for volume partition-0({'device': 'disk-sda', 'size': 126906007552, 'wipe': 'superblock', 'number': 2, 'preserve': False, 'offset': 1128267776, 'id': 'partition-0', 'type': 'partition'})
        get_path_to_storage_volume for volume disk-sda({'ptable': 'gpt', 'serial': 'FORESEE_128GB_SSD_K44700J003729', 'wwn': '0x502b2a201d1c1b1a', 'path': '/dev/sda', 'preserve': True, 'name': '', 'grub_device': False, 'id': 'disk-sda', 'type': 'disk'})
        Processing serial 0x502b2a201d1c1b1a via udev to 0x502b2a201d1c1b1a
        lookup_disks found: ['wwn-0x502b2a201d1c1b1a', 'wwn-0x502b2a201d1c1b1a-part1', 'wwn-0x502b2a201d1c1b1a-part2']
        Running command ['udevadm', 'info', '--query=property', '--export', '/dev/sda'] with allowed return codes [0] (capture=True)
        /dev/sda is multipath device? False
        Running command ['udevadm', 'info', '--query=property', '--export', '/dev/sda'] with allowed return codes [0] (capture=True)
        /dev/sda is multipath device member? False
        block.lookup_disk() returning path /dev/sda
        Running command ['partprobe', '/dev/sda'] with allowed return codes [0, 1] (capture=False)
        Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
        TIMED udevadm_settle(): 0.067
        devsync happy - path /dev/sda now exists
        return volume path /dev/sda
        Running command ['partprobe', '/dev/sda'] with allowed return codes [0, 1] (capture=False)
        Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
        TIMED udevadm_settle(): 0.064
        devsync happy - path /dev/sda now exists
        return volume path /dev/sda2
        block-meta: extracted devices to clear: ['/dev/sda2']
        Declared block devices: ['/dev/sda2']
        clearing devices=['/dev/sda2']
        start: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: removing previous storage devices
        Running command ['mdadm', '--assemble', '--scan', '-v'] with allowed return codes [0, 1, 2] (capture=True)
        mdadm assemble scan results:
        
        mdadm: looking for devices for further assembly
        mdadm: no recogniseable superblock on /dev/loop13
        mdadm: no recogniseable superblock on /dev/loop12
        mdadm: no recogniseable superblock on /dev/loop11
        mdadm: no recogniseable superblock on /dev/loop10
        mdadm: no recogniseable superblock on /dev/loop9
        mdadm: no recogniseable superblock on /dev/loop8
        mdadm: no recogniseable superblock on /dev/sdb4
        mdadm: no recogniseable superblock on /dev/sdb3
        mdadm: Cannot assemble mbr metadata on /dev/sdb2
        mdadm: no recogniseable superblock on /dev/sdb1
        mdadm: Cannot assemble mbr metadata on /dev/sdb
        mdadm: no recogniseable superblock on /dev/sda2
        mdadm: Cannot assemble mbr metadata on /dev/sda1
        mdadm: Cannot assemble mbr metadata on /dev/sda
        mdadm: no recogniseable superblock on /dev/loop7
        mdadm: no recogniseable superblock on /dev/loop6
        mdadm: no recogniseable superblock on /dev/loop5
        mdadm: no recogniseable superblock on /dev/loop4
        mdadm: no recogniseable superblock on /dev/loop3
        mdadm: no recogniseable superblock on /dev/loop2
        mdadm: no recogniseable superblock on /dev/loop1
        mdadm: no recogniseable superblock on /dev/loop0
        mdadm: No arrays found in config file or automatically
        
        Running command ['mdadm', '--detail', '--scan', '-v'] with allowed return codes [0, 1] (capture=True)
        mdadm detail scan after assemble:
        
        
        Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
        TIMED udevadm_settle(): 0.005
        Running command ['pvscan'] with allowed return codes [0] (capture=True)
        Running command ['vgscan'] with allowed return codes [0] (capture=True)
        Running command ['vgchange', '--activate=y'] with allowed return codes [0] (capture=True)
        Running command ['udevadm', 'settle'] with allowed return codes [0] (capture=False)
        TIMED udevadm_settle(): 0.018
        Loading kernel module bcache via modprobe
        Running command ['modprobe', '--use-blacklist', 'bcache'] with allowed return codes [0] (capture=False)
        Generating device storage trees for path(s): ['/dev/sda2']
        devname '/sys/class/block/sda2' had holders: []
        Current device storage tree:
        sda2
        Shutdown Plan:
        {'level': 0, 'device': '/sys/class/block/sda2', 'dev_type': 'partition'}
        shutdown running on holder type: 'partition' syspath: '/sys/class/block/sda2'
        Running command ['lsblk', '--noheadings', '--bytes', '--pairs', '--output=ALIGNMENT,DISC-ALN,DISC-GRAN,DISC-MAX,DISC-ZERO,FSTYPE,GROUP,KNAME,LABEL,LOG-SEC,MAJ:MIN,MIN-IO,MODE,MODEL,MOUNTPOINT,NAME,OPT-IO,OWNER,PHY-SEC,RM,RO,ROTA,RQ-SIZE,SIZE,STATE,TYPE,UUID', '/dev/sda'] with allowed return codes [0] (capture=True)
        get_blockdev_sector_size: info:
        {
         "sda": {
          "ALIGNMENT": "0",
          "DISC-ALN": "0",
          "DISC-GRAN": "512",
          "DISC-MAX": "2147450880",
          "DISC-ZERO": "0",
          "FSTYPE": "",
          "GROUP": "disk",
          "KNAME": "sda",
          "LABEL": "",
          "LOG-SEC": "512",
          "MAJ:MIN": "8:0",
          "MIN-IO": "512",
          "MODE": "brw-rw----",
          "MODEL": "FORESEE 128GB SSD",
          "MOUNTPOINT": "",
          "NAME": "sda",
          "OPT-IO": "0",
          "OWNER": "root",
          "PHY-SEC": "512",
          "RM": "0",
          "RO": "0",
          "ROTA": "0",
          "RQ-SIZE": "64",
          "SIZE": "128035676160",
          "STATE": "running",
          "TYPE": "disk",
          "UUID": "",
          "device_path": "/dev/sda"
         },
         "sda1": {
          "ALIGNMENT": "0",
          "DISC-ALN": "0",
          "DISC-GRAN": "512",
          "DISC-MAX": "2147450880",
          "DISC-ZERO": "0",
          "FSTYPE": "vfat",
          "GROUP": "disk",
          "KNAME": "sda1",
          "LABEL": "",
          "LOG-SEC": "512",
          "MAJ:MIN": "8:1",
          "MIN-IO": "512",
          "MODE": "brw-rw----",
          "MODEL": "",
          "MOUNTPOINT": "",
          "NAME": "sda1",
          "OPT-IO": "0",
          "OWNER": "root",
          "PHY-SEC": "512",
          "RM": "0",
          "RO": "0",
          "ROTA": "0",
          "RQ-SIZE": "64",
          "SIZE": "1127219200",
          "STATE": "",
          "TYPE": "part",
          "UUID": "1002-F50E",
          "device_path": "/dev/sda1"
         },
         "sda2": {
          "ALIGNMENT": "0",
          "DISC-ALN": "0",
          "DISC-GRAN": "512",
          "DISC-MAX": "2147450880",
          "DISC-ZERO": "0",
          "FSTYPE": "ext4",
          "GROUP": "disk",
          "KNAME": "sda2",
          "LABEL": "",
          "LOG-SEC": "512",
          "MAJ:MIN": "8:2",
          "MIN-IO": "512",
          "MODE": "brw-rw----",
          "MODEL": "",
          "MOUNTPOINT": "/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe",
          "NAME": "sda2",
          "OPT-IO": "0",
          "OWNER": "root",
          "PHY-SEC": "512",
          "RM": "0",
          "RO": "0",
          "ROTA": "0",
          "RQ-SIZE": "64",
          "SIZE": "126906007552",
          "STATE": "",
          "TYPE": "part",
          "UUID": "4aff8685-d1be-478c-885e-9b4d10b67afe",
          "device_path": "/dev/sda2"
         }
        }
        get_blockdev_sector_size: (log=512, phys=512)
        Running command ['lsblk', '--noheadings', '--bytes', '--pairs', '--output=ALIGNMENT,DISC-ALN,DISC-GRAN,DISC-MAX,DISC-ZERO,FSTYPE,GROUP,KNAME,LABEL,LOG-SEC,MAJ:MIN,MIN-IO,MODE,MODEL,MOUNTPOINT,NAME,OPT-IO,OWNER,PHY-SEC,RM,RO,ROTA,RQ-SIZE,SIZE,STATE,TYPE,UUID'] with allowed return codes [0] (capture=True)
        Checking if /dev/sda2 is a swap device
        Found swap magic: b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
        wiping superblock on /dev/sda2
        wiping /dev/sda2 attempt 1/4
        Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
        /dev/sda2: 2 bytes were erased at offset 0x00000438 (ext4): 53 ef
        wiping 1M on /dev/sda2 at offsets [0, -1048576]
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        wiping device '/dev/sda2' failed on attempt 1/4.  sleeping 1s before retry
        wiping /dev/sda2 attempt 2/4
        Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
        wiping 1M on /dev/sda2 at offsets [0, -1048576]
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        wiping device '/dev/sda2' failed on attempt 2/4.  sleeping 3s before retry
        wiping /dev/sda2 attempt 3/4
        Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
        wiping 1M on /dev/sda2 at offsets [0, -1048576]
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        wiping device '/dev/sda2' failed on attempt 3/4.  sleeping 5s before retry
        wiping /dev/sda2 attempt 4/4
        Running command ['wipefs', '--all', '--force', '/dev/sda2'] with allowed return codes [0] (capture=False)
        wiping 1M on /dev/sda2 at offsets [0, -1048576]
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        Failed to exclusively open path: /dev/sda2
        devname '/dev/sda2' had holders: []
        Device holders with exclusive access: []
        Device mounts: ['/dev/sda2 /media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0']
        Running command ['fuser', '--verbose', '--mount', '/dev/sda2'] with allowed return codes [0] (capture=True)
        Possible users of /dev/sda2:
        {'kernel': ['/dev/sda2:', 'root', 'mount', '/media/ubuntu/4aff8685-d1be-478c-885e-9b4d10b67afe']}
        finish: cmd-install/stage-partitioning/builtin/cmd-block-meta/clear-holders: FAIL: removing previous storage devices
        TIMED BLOCK_META: 14.787
        finish: cmd-install/stage-partitioning/builtin/cmd-block-meta: FAIL: curtin command block-meta
        Traceback (most recent call last):
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1166, in exclusive_open
            fd = os.open(path, flags)
        OSError: [Errno 16] Device or resource busy: '/dev/sda2'
        
        The above exception was the direct cause of the following exception:
        
        Traceback (most recent call last):
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/main.py", line 202, in main
            ret = args.func(args)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/log.py", line 97, in wrapper
            return log_time("TIMED %s: " % msg, func, *args, **kwargs)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/log.py", line 79, in log_time
            return func(*args, **kwargs)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 118, in block_meta
            meta_clear(devices, state.get('report_stack_prefix', ''))
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/commands/block_meta.py", line 2184, in meta_clear
            clear_holders.clear_holders(devices)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 638, in clear_holders
            shutdown_function(dev_info['device'])
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 311, in wipe_superblock
            _wipe_superblock(blockdev)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/clear_holders.py", line 344, in _wipe_superblock
            block.wipe_volume(blockdev, mode='superblock', exclusive=exclusive)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1343, in wipe_volume
            quick_zero(path, partitions=False, exclusive=exclusive)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1256, in quick_zero
            util.not_exclusive_retry(
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/util.py", line 1328, in not_exclusive_retry
            return fun(*args, **kwargs)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1278, in zero_file_at_offsets
            with exclusive_open(path, exclusive=exclusive) as fp:
          File "/snap/ubuntu-desktop-installer/1267/usr/lib/python3.10/contextlib.py", line 135, in __enter__
            return next(self.gen)
          File "/snap/ubuntu-desktop-installer/1267/lib/python3.10/site-packages/curtin/block/__init__.py", line 1188, in exclusive_open
            raise NotExclusiveError from exc
        curtin.util.NotExclusiveError
        
        
Stderr: ''