The failure is because pam_unix depends on libcrypt, and libcrypt is part of glibc, and compiz doesn't otherwise have libcrypt loaded into memory, and libcrypt has a tight versioned dependency on the corresponding version of libc itself (requires symbol GLIBC_2.25). So when dlopen() tries to load libcrypt from disk, because compiz is doing it wrong, it can't find the symbols.
** Also affects: ubuntu-release-upgrader (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: compiz (Ubuntu) Importance: Undecided Status: New ** Changed in: compiz (Ubuntu) Importance: Undecided => Critical ** Changed in: ubuntu-release-upgrader (Ubuntu Bionic) Importance: Undecided => Critical ** Changed in: compiz (Ubuntu Bionic) Importance: Undecided => Critical ** Changed in: ubuntu-release-upgrader (Ubuntu Bionic) Status: New => Triaged -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1778817 Title: release upgrade from xenial to bionic desktop: screen locks itself, password to unlock fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1778817/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp