Public bug reported:
A routine upgrade upgraded the kernel to 4.15.0-34 upon which the
machine would not boot and instead booted to initramfs. Attempts to boot
into recovery mode resulted in the error "Warning failed to connect to
lvmetad. Falling back to device scanning."
Reverting to 4.15.0-33 allowed me to boot.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-33-generic 4.15.0-33.36
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: connor 4127 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep 12 12:30:06 2018
HibernationDevice: RESUME=UUID=af5bdbd9-e688-4d55-a263-0d649f9b59d4
InstallationDate: Installed on 2018-07-23 (51 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: LENOVO 20HNS1KE00
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-33-generic
root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
RelatedPackageVersions:
linux-restricted-modules-4.15.0-33-generic N/A
linux-backports-modules-4.15.0-33-generic N/A
linux-firmware 1.173.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/20/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: R0IET52W (1.30 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HNS1KE00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR0IET52W(1.30):bd03/20/2018:svnLENOVO:pn20HNS1KE00:pvrThinkPadX270:rvnLENOVO:rn20HNS1KE00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X270
dmi.product.name: 20HNS1KE00
dmi.product.version: ThinkPad X270
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1792134
Title:
Upgrading to 4.15.0-33 caused the system to fail to boot
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