Possible workaround: In /var/log/apt/history.log
Start-Date: 2017-01-20 10:42:27 Commandline: aptdaemon role='role-commit-packages' sender=':1.126' Upgrade: mysql-server-5.7:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), mysql-server:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), mysql-client:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), libmysqlclient20:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), libmysqlclient20:i386 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), mysql-server-core-5.7:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1) Error: Sub-process /usr/bin/dpkg returned an error code (1) End-Date: 2017-01-20 10:42:27 In /var/log/apt/term.log Log started: 2017-01-20 10:42:27 Setting up mysql-common (5.7.17-0ubuntu0.16.04.1) ... update-alternatives: error: alternative path /etc/mysql/my.cnf.fallback doesn't exist dpkg: error processing package mysql-common (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: mysql-common Log ended: 2017-01-20 10:42:27 So the problem for me seems to be the missing the /etc/mysql/my.cnf.fallback file. ll /etc/myql drwxr-xr-x 4 root root 4096 gen 20 10:59 ./ drwxr-xr-x 189 root root 12288 gen 19 12:44 ../ drwxr-xr-x 2 root root 4096 gen 20 09:43 conf.d/ -rw------- 1 root root 317 nov 19 10:57 debian.cnf -rwxr-xr-x 1 root root 120 ott 24 17:13 debian-start* lrwxrwxrwx 1 root root 24 nov 18 21:12 my.cnf -> /etc/alternatives/my.cnf -rw-r--r-- 1 root root 3028 nov 18 21:27 my.cnf.migrated -rw-r--r-- 1 root root 682 lug 11 2016 mysql.cnf drwxr-xr-x 2 root root 4096 nov 18 22:24 mysql.conf.d/ So, because the symlink: my.cnf -> /etc/alternatives/my.cnf points back to: /etc/alternatives/my.cnf -> /etc/mysql/mysql.cnf i assumed (crossing my fingers) that /etc/mysql/mysql.cnf should be eligible as alternative fallback: sudo cp /etc/mysql/myslq.cnf /etc/mysql/my.cnf.fallback Run again apt tool to complete the upgrade. This worked for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1657938 Title: package mysql-server-5.7 5.7.17-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1657938/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
