Public bug reported: Trying to clean up after a 16.04 -> 18.04 upgrade, I removed lvm2, which I'm honestly still not sure is necessary for LVM support, but resulted in many lines of the form during "processing of initramfs-tools":
W: Possible missing firmware /lib/firmware/amdgpu/vegam_smc.bin for module amdgpu Not sure even if that's the main issue, but nothing else looks out of place. Here's a more complete transcript: Setting up lvm2 (2.02.176-4.1ubuntu3) ... update-initramfs: deferring update (trigger activated) Failed to restart lvm2-lvmetad.service: Unit lvm2-lvmetad.socket is masked. invoke-rc.d: initscript lvm2-lvmetad, action "restart" failed. ● lvm2-lvmetad.service - LVM2 metadata daemon Loaded: loaded (/lib/systemd/system/lvm2-lvmetad.service; static; vendor preset: enabled) Active: inactive (dead) since Sun 2018-10-21 14:50:29 EDT; 3min 29s ago Docs: man:lvmetad(8) Main PID: 512 (code=exited, status=0/SUCCESS) Oct 21 14:50:29 monolith systemd[1]: Stopping LVM2 metadata daemon... Oct 21 14:50:29 monolith systemd[1]: Stopped LVM2 metadata daemon. dpkg: error processing package lvm2 (--configure): installed lvm2 package post-installation script subprocess returned error exit status 1 Processing triggers for initramfs-tools (0.130ubuntu3.5) ... update-initramfs: Generating /boot/initrd.img-4.15.0-36-generic W: Possible missing firmware /lib/firmware/amdgpu/vega12_gpu_info.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_asd.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_sos.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_rlc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_mec2.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_mec.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_me.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_pfp.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_ce.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_rlc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_mec2.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_mec.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_me.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_pfp.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_ce.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_sdma1.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_sdma.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_sdma1.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_sdma.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_uvd.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_uvd.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_vce.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_vce.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vega12_smc.bin for module amdgpu W: Possible missing firmware /lib/firmware/amdgpu/vegam_smc.bin for module amdgpu Errors were encountered while processing: lvm2 Press Return to continue, 'q' followed by Return to quit. ProblemType: Package DistroRelease: Ubuntu 18.04 Package: lvm2 2.02.176-4.1ubuntu3 ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18 Uname: Linux 4.15.0-36-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.4 AptOrdering: libreadline5:amd64: Install lvm2:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Sun Oct 21 14:53:42 2018 ErrorMessage: installed lvm2 package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2017-12-12 (313 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2 apt 1.6.3ubuntu0.1 SourcePackage: lvm2 Title: package lvm2 2.02.176-4.1ubuntu3 failed to install/upgrade: installed lvm2 package post-installation script subprocess returned error exit status 1 UpgradeStatus: Upgraded to bionic on 2018-10-09 (12 days ago) ** Affects: lvm2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1799079 Title: package lvm2 2.02.176-4.1ubuntu3 failed to install/upgrade: installed lvm2 package post-installation script subprocess returned error exit status 1 - "Possible missing firmware ... for module amdgpu" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1799079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs