Comment 2 for bug 1885191

I can confirm the bug on our servers and also that the workaround actually works.

Also I attach the logs.

Maybe this is the most interesting part:

Traceback (most recent call last):
  File "/snap/subiquity/1966/lib/python3.6/site-packages/subiquity/controllers/filesystem.py", line 154, in _probe
    await asyncio.wait_for(self._probe_once_task.task, 15.0)
  File "/snap/subiquity/1966/usr/lib/python3.6/asyncio/tasks.py", line 358, in wait_for
    return fut.result()
  File "/snap/subiquity/1966/lib/python3.6/site-packages/subiquitycore/context.py", line 142, in decorated_async
    return await meth(self, **kw)
  File "/snap/subiquity/1966/lib/python3.6/site-packages/subiquity/controllers/filesystem.py", line 135, in _probe_once
    self.model.load_probe_data(storage)
  File "/snap/subiquity/1966/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1633, in load_probe_data
    self.reset()
  File "/snap/subiquity/1966/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1351, in reset
    self._probe_data)["storage"]["config"]
  File "/snap/subiquity/1966/lib/python3.6/site-packages/curtin/storage_config.py", line 1348, in extract_storage_config
    tree = get_config_tree(cfg.get('id'), final_config)
  File "/snap/subiquity/1966/lib/python3.6/site-packages/curtin/storage_config.py", line 306, in get_config_tree
    for dep in find_item_dependencies(item, sconfig):
  File "/snap/subiquity/1966/lib/python3.6/site-packages/curtin/storage_config.py", line 276, in find_item_dependencies
    _validate_dep_type(item_id, dep_key, dep, config)
  File "/snap/subiquity/1966/lib/python3.6/site-packages/curtin/storage_config.py", line 224, in _validate_dep_type
    'Invalid dep_id (%s) not in storage config' % dep_id)
ValueError: Invalid dep_id (disk-md127) not in storage config