I just encounter the same issue, in my case, i run the following commands to solve it temporarily:
$ uname -a Linux ckh-desktop 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux $ sudo /bin/rm -rf /etc/lvm/ $ sudo rm -rf /etc/lvm/backup/ $ sudo apt purge lvm2 $ sudo updatdb $ sudo locate lvm2 $ sudo rm /var/crash/lvm2.0.crash $ sudo rm /etc/systemd/system/lvm2-* $ sudo rm /etc/systemd/system/sysinit.target.wants/lvm2-* $ sudo apt install lvm2 $ sudo apt update $ sudo apt upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1746582 Title: package lvm2 2.02.176-4.1ubuntu2 failed to install/upgrade: installed lvm2 package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1746582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
