Sorry Robie but you are still wrong. It is a bug but mostly because mysql
is more the problem and not Ubuntu. Changing databases does fix the bug.
Changing ubuntu doesn't make the bug go away.

Gary

On Apr 21, 2017 6:39 AM, "Robie Basak" <email address hidden> wrote:

> I think it's time to mark this bug Invalid. We have had a bunch of "me
> too" comments that are clearly and incorrectly describing bugs other
> than the one described here.
>
> Conversely the only credible explanation of the problem reported
> (failure to start due to AppArmor denial of /etc/mysql/my.cnf.migrated)
> is reported to have gone away by itself and we haven't had any reports
> of anyone having independently reproduced or even just experienced the
> same problem.
>
> Unfortunately the misguided comments are making it impossible to follow
> this bug. If it turns out that the bug is real, then I suggest filing a
> separate and full report (referring to this bug) to get a developer's
> attention, since I'll be unsubscribing from this bug as I've seen no
> signal amongst the noise except from the original reporter.
>
> ** Changed in: mysql-5.7 (Ubuntu)
>        Status: Incomplete => Invalid
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1610765
>
> Title:
>   Apparmor refuses mysqld open on /etc/mysql/my.cnf.migrated causing it
>   to fail to start
>
> Status in mysql-5.7 package in Ubuntu:
>   Invalid
>
> Bug description:
>   [Triage Notes]
>
>   This bug tracks reports of the following AppArmor denial:
>
>   Aug  7 18:22:17 c505 kernel: [ 1485.490459] audit: type=1400
>   audit(1470619337.926:98): apparmor="DENIED" operation="open"
>   profile="/usr/sbin/mysqld" name="/etc/mysql/my.cnf.migrated" pid=11219
>   comm="mysqld" requested_mask="r" denied_mask="r" fsuid=109 ouid=0
>
>   If you are seeing a denial of /etc/mysql/my.cnf.migrated in this
>   manner, then the underlying issue may affect you too.
>
>   If you are seeing a denial of some other file, then you have some
>   other AppArmor-related problem that is *not* the issue tracked in this
>   bug. If you believe that your failure is a bug in Ubuntu, please look
>   for other bugs and file a new bug if there isn't a matching one that
>   tracks your different issue.
>
>   [Original Desription]
>
>   SYMPTOM
>   mysql fails to start
>
>   IMPACT
>   no sql for you
>
>   DIAGNOSE:
>   service mysql start
>   Job for mysql.service failed because the control process exited with
> error code. See "systemctl status mysql.service" and "journalctl -xe" for
> details.
>
>   - systemd has all sort of craziness going on so stop that
>   service mysql stop
>
>   - look at what apparmor is up to
>   tail -F /var/log/syslog | grep -i apparmor
>
>   - then start again
>   service mysql start
>
>   output is:
>   - mysql cannot read /etc/mysql
>   Aug  7 18:22:17 c505 kernel: [ 1485.490459] audit: type=1400
> audit(1470619337.926:98): apparmor="DENIED" operation="open"
> profile="/usr/sbin/mysqld" name="/etc/mysql/my.cnf.migrated" pid=11219
> comm="mysqld" requested_mask="r" denied_mask="r" fsuid=109 ouid=0
>
>   GET_AROUND:
>   sudo nano /etc/apparmor.d/usr.sbin.mysqld
>   line 25 after:
>   # Allow config access
>     /etc/mysql/** r,
>   -add line:
>     /etc/mysql/* r,
>
>   systemctl restart apparmor.service
>
>   service mysql stop
>   service mysql start
>
>   - problem is gone
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: mysql-server-5.7 5.7.13-0ubuntu0.16.04.2
>   ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
>   Uname: Linux 4.4.0-31-generic x86_64
>   ApportVersion: 2.20.1-0ubuntu2.1
>   Architecture: amd64
>   Date: Sun Aug  7 18:31:32 2016
>   Logs.var.log.daemon.log:
>
>   MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
>   MySQLConf.etc.mysql.conf.d.mysqld_safe_syslog.cnf:
>    [mysqld_safe]
>    syslog
>   MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
>    [mysqldump]
>    quick
>    quote-names
>    max_allowed_packet   = 16M
>   MySQLConf.etc.mysql.mysql.conf.d.mysqld_safe_syslog.cnf:
>    [mysqld_safe]
>    syslog
>   MySQLVarLibDirListing: ['debian-5.0.flag', 'ib_buffer_pool', 'test',
> 'ib_logfile1', 'xpc21.err', 'auto.cnf', 'mysql_upgrade_info', 'bugzilla',
> 'zabbix', 'debian-5.5.flag', 'debian-5.1.flag', 'redmine_default',
> 'roundcube', 'ib_logfile0', 'ibtmp1', 'sys', 'mysql', 'ibdata1', 'bugs',
> 'debian-5.7.flag', 'owncloud', 'performance_schema']
>   ProcEnviron:
>    SHELL=/bin/bash
>    TERM=xterm
>    PATH=(custom, user)
>    LANG=en_US.UTF-8
>    LANGUAGE=en_US.UTF-8
>   SourcePackage: mysql-5.7
>   UpgradeStatus: Upgraded to xenial on 2016-06-13 (56 days ago)
>   modified.conffile..etc.apparmor.d.usr.sbin.mysqld: [modified]
>   mtime.conffile..etc.apparmor.d.usr.sbin.mysqld:
> 2016-08-07T18:24:24.264357
>
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>