Hi, it seems the sever has a stored routine which is wrong and fails on (re-)initialization: Form your log:
2020-10-10T06:59:14.876648Z 2 [ERROR] [MY-013235] [Server] Error in parsing Routine 'park'.'abl_bbc_data_migrate_proc' during upgrade. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'row_number,@client_desc:=trim(description) AS client_desc FROM (SELECT * FROM ' at line 80 2020-10-10T06:59:33.461878Z 0 [ERROR] [MY-010022] [Server] Failed to Populate DD tables. 2020-10-10T06:59:33.463160Z 0 [ERROR] [MY-010119] [Server] Aborting 2020-10-10T06:59:35.096658Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.21-0ubuntu0.20.04.4) starting as process 4710 2020-10-10T06:59:35.151748Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started. 2020-10-10T06:59:35.712050Z 1 [ERROR] [MY-012574] [InnoDB] Unable to lock ./ibdata1 error: 11 2020-10-10T06:59:36.713352Z 1 [ERROR] [MY-012574] [InnoDB] Unable to lock ./ibdata1 error: 11 2020-10-10T06:59:37.713698Z 1 [ERROR] [MY-012574] [InnoDB] Unable to lock ./ibdata1 error: 11 It seems this failed before the upgrade as well, but an upgrade implies a service restart and hence the upgrade fails. You'd need to check what is bad "in the DB" so that it can properly (re)start again. Once resolved you should also be able to upgrade just fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899241 Title: package mysql-server-8.0 8.0.21-0ubuntu0.20.04.4 failed to install/upgrade: installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1899241/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs