[Bug 1841333] Re: "Unfortunately Probing for devices to install to failed. "

[Karl]

I tried installing 18.04.3 on an Intel Compute Stick (x64 atom), which
comes shipped with ubuntu 14.xx, with the same results.  Since the
hardware is a bit odd, I'm not sure how relevant the error is.  That
said, installation of 18.04.2 on this hardware purportedly worked.
(https://jamesachambers.com/install-ubuntu-server-18-04-on-intel-
compute-stick-guide/)

Installation media:  c038a031a2b638f8e89d897119f1b7bb *ubuntu-18.04.3
-live-server-amd64.iso

Add attachment failed, so here's the content:
/var/log/installer/block/discover.log:
2019-08-25 04:29:37,949 block-discover:74 starting probe
2019-08-25 04:29:39,265 probert.multipath:37 Failed to run cmd: ['multipathd', 'show', 'maps', 'raw', 'format', '%w %d %N']
2019-08-25 04:29:39,275 probert.multipath:37 Failed to run cmd: ['multipathd', 'show', 'paths', 'raw', 'format', '%d %z %m %N %n %R %r %a']
2019-08-25 04:29:40,001 curtin:1125 Extracting storage config from probe data
2019-08-25 04:29:40,430 block-discover:99 probing failed restricted=False
Traceback (most recent call last):
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/controllers/filesystem.py", line 96, in _probed
    self.model.load_probe_data(storage)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1280, in load_probe_data
    self.reset()
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1116, in reset
    config = storage_config.extract_storage_config(self._probe_data)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 1128, in extract_storage_config
    found_cfgs, found_errs = parser.parse()
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 577, in parse
    entry = self.asdict(data)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 692, in asdict
    "Couldn't find partition entry in table")
RuntimeError: Couldn't find partition entry in table
2019-08-25 04:29:40,434 block-discover:101 reprobing for blockdev only
2019-08-25 04:29:40,489 curtin:1125 Extracting storage config from probe data
2019-08-25 04:29:40,905 block-discover:99 probing failed restricted=True
Traceback (most recent call last):
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/controllers/filesystem.py", line 96, in _probed
    self.model.load_probe_data(storage)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1280, in load_probe_data
    self.reset()
  File "/snap/subiquity/1093/lib/python3.6/site-packages/subiquity/models/filesystem.py", line 1116, in reset
    config = storage_config.extract_storage_config(self._probe_data)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 1128, in extract_storage_config
    found_cfgs, found_errs = parser.parse()
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 577, in parse
    entry = self.asdict(data)
  File "/snap/subiquity/1093/lib/python3.6/site-packages/curtin/storage_config.py", line 692, in asdict
    "Couldn't find partition entry in table")
RuntimeError: Couldn't find partition entry in table

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https://bugs.launchpad.net/bugs/1841333

Title:
  "Unfortunately Probing for devices to install to failed. "

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  I downloaded Ubuntu Server 18.04.3 LTS and put it in a disc using the built in windows 10 tools. I then put it in my computer and booted it up. After setting my language and such it told me "Unfortunately Probing for devices to install to failed. Please report a bug on launchpad and if possible include the contents of the /var/log/installer directory." I also tried to burn it on a USB drive with the tool Etcher and it did the same thing.
  I don't know how to include the contents of the /var/log/installer directory or if it is possible.

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