*** This bug is a duplicate of bug 1921378 ***
https://bugs.launchpad.net/bugs/1921378
** This bug is no longer a duplicate of bug 1899248
package mysql-server-8.0 8.0.21-0ubuntu0.20.04.4 failed to install/upgrade:
can't create lock file /var/run/mysqld/mysqlx.sock.lock (service startup
*** This bug is a duplicate of bug 1899248 ***
https://bugs.launchpad.net/bugs/1899248
This looks to me like another dupe of the mysqlx.sock bug, LP: #1899248
** This bug has been marked a duplicate of bug 1899248
package mysql-server-8.0 8.0.21-0ubuntu0.20.04.4 failed to install/upgrade:
Hello and thanks for your bug report. From the logs it seems that mysql
failed to start because of another "stray" instance of mysql running in
background:
2021-02-03T22:28:02.718655Z 0 [ERROR] [MY-011300] [Server] Plugin mysqlx
reported: 'Setup of socket: '/var/run/mysqld/mysqlx.sock' failed,
