[Bug 2008892] Re: "Gave up waiting for root file system device" after fresh installation of Ubuntu 22.04

[TQ]

Hello ubuntu-dmraid team,

Any updates on this issue?  It seems to manifest in both upgrading (e.g.
20.04.2 -> 22.04.2) and a fresh install (22.04.2).  I'm not sure why the
importance of this ticket is still undecided.  Is there at least a
workaround other than the aformentioned approach of mapping partitions
via kpart?

Thanks

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Title:
  "Gave up waiting for root file system device" after fresh installation
  of Ubuntu 22.04

Status in dmraid package in Ubuntu:
  Confirmed

Bug description:
  After running the 22.04 installer, my laptop would restart and after
  seeing the initial loading screen I'm dropped to a busybox shell. It
  makes no difference what boot option I use from my UEFI or installing
  with or without disk encrpytion.

  The installer finds my disk without problems, but afer rebooting the
  Ubuntu screen hangs for around a minute before dropping me into a
  busybox shell.

  In this shell I do the following:

  ```
  # ls /dev/mapper
  control           isw_behfgagcfc_ASUS_OS

  # kpartx -av /dev/mapper/isw_behfgagcfc_ASUS_OS
  add map isw_behfgagcfc_ASUS_OS1 (253:1): 0 1048576 linear 253:0 2048
  add map isw_behfgagcfc_ASUS_OS2 (253:2): 0 3500032 linear 253:0 1050624
  add map isw_behfgagcfc_ASUS_OS3 (253:3): 0 495579136 linear 253:0 4550656

  # cryptsetup luksOpen /dev/mapper/isw_behfgagcfc_ASUS_OS3 WHYEVER
  Enter passphrase for /dev/mapper/isw_behfgagcfc_ASUS_OS3: ***

  # exit
  ```

  After which the Ubuntu loading screen re-appears and I have to enter
  the disk decrypt key again. Then my system boots fine, but I think
  it's a bug to have these commands to manually every time.

  If I install without disk-encryption, I still have to run "kpartx -av
  /dev/mapper/isw_behfgagfc_ASUS_OS" in the busybox shell before I'm
  able to continue.

  Attached the log from apport inside the finally booted Ubuntu
  installation with disk-encryption on.

  PS: The same error occurs when upgrading from from 21.10 to 22.04.

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