[Bug 1831232] Re: Ubuntu 18.04 won't boot - failed to connect to lvmetad

[Raphael Mankin]

If I leave the machine for a while and the exit the shell it boots, but
with no swap.

I have  not discovered anything useful that I can do while in the
busybox shell.

I have dited /etc/initramfs-tools/conf.d/resume to read RESUME=none as
suggested in
https://www.reddit.com/r/Ubuntu/comments/a0whdw/failed_to_connect_to_lvmetad_bug_still_exists/

cat /etc/crypttab 
sda2_crypt UUID=91558a55-9299-492f-b3b7-324fa7d07396 none luks,swap,discard
sda3_crypt UUID=04bbb9dd-9c3f-48c9-ad65-617c4030cd8a none luks,discard


cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/dev/mapper/sda3_crypt /               ext4    errors=remount-ro 0       1
# /boot was on /dev/sda1 during installation
UUID=bedf1183-2c1a-4271-a983-f4924a87bb09 /boot           ext4    noatime        0       2
/dev/mapper/sda2_crypt none            swap    sw              0       0

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https://bugs.launchpad.net/bugs/1831232

Title:
  Ubuntu 18.04 won't boot - failed to connect to lvmetad

Status in linux package in Ubuntu:
  Incomplete
Status in lvm2 package in Ubuntu:
  Incomplete

Bug description:
  This bug report relates to a machine running 18.04, not the one I am
  submitting the report from.

  On 30 May The Software Updater prompted me to update. Included in the
  update were initramfs components. I now cannot boot the machine.

  After decrypting the root file system, instead of being prompted for
  the pass-phrase to decrypt the swap, I get the message "cannot connect
  to lvmetad: falling back to device scanning". This repeats for a while
  until I am dropped into a recovery shell of some sort from which I
  cannot access the root disk.

  Blocker. My machine is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-generic 4.15.0.48.50
  ProcVersionSignature: Ubuntu 4.15.0-48.51-generic 4.15.18
  Uname: Linux 4.15.0-48-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  gdm        2433 F.... pulseaudio
                        raph       8920 F.... pulseaudio
   /dev/snd/controlC0:  gdm        2433 F.... pulseaudio
  Date: Fri May 31 12:08:33 2019
  HibernationDevice: RESUME=UUID=2538baa4-d43e-4876-8d94-dd3221894bac
  InstallationDate: Installed on 2018-02-09 (475 days ago)
  InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  MachineType: LENOVO 20CJS0UU00
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-48-generic root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-48-generic N/A
   linux-backports-modules-4.15.0-48-generic  N/A
   linux-firmware                             1.173.5
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-09-12 (260 days ago)
  dmi.bios.date: 09/13/2017
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N11ET42W (1.18 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20CJS0UU00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: R90G3N7R
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrN11ET42W(1.18):bd09/13/2017:svnLENOVO:pn20CJS0UU00:pvrThinkPadT550:rvnLENOVO:rn20CJS0UU00:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T550
  dmi.product.name: 20CJS0UU00
  dmi.product.version: ThinkPad T550
  dmi.sys.vendor: LENOVO

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