[Bug 1436123] [NEW] MySQL service doesn't create /var/run/mysqld and thus fails to start

[Benjamin Xiao]

Public bug reported:

I am running Ubuntu 15.04 which recently upgraded to MySQL 5.6. Ever
since then, it's been unable to start on boot because /var/run/mysqld
doesn't exist. Doing a sudo service mysql start just hangs. Creating the
directory and assigning mysql:root and 755 as permissions allows mysql
to start, but the folder is destroyed on every reboot.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: mysql-server-5.6 5.6.23-1~exp1~ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
Uname: Linux 3.19.0-10-generic x86_64
ApportVersion: 2.16.2-0ubuntu4
Architecture: amd64
Date: Tue Mar 24 17:47:58 2015
InstallationDate: Installed on 2015-02-15 (37 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150119)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mysql-5.6
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: mysql-5.6 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug vivid

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Title:
  MySQL service doesn't create /var/run/mysqld and thus fails to start

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