Comment 0 for bug 616136

The MariaDB 5.1.49 server wants read access to /sys/devices/system/cpu/ , but access to this directory is denied by its apparmor profile. This leads to entries in syslog, such as:

Aug 11 09:25:30 cachaca kernel: [1466836.273692] type=1503 audit(1281482730.279:83): operation="open" pid=1807 parent=1806 profile="/usr/sbin/mysqld" requested_mask="r::" denied_mask="r::" fsuid=0 ouid=0 name="/sys/devices/system/cpu/"

The problem can be resolved by adding the following line to /etc/apparmor.d/usr.sbin.mysqld

/sys/devices/system/cpu/ r,