The following worked for me 1. Edit /etc/apparmor.d/usr.sbin.mysqld and add the line /sys/devices/system/cpu/ r, 2. Restart apparmor (as root): /etc/init.d/apparmor restart
The following worked for me d/usr.sbin. mysqld and add the line system/ cpu/ r, d/apparmor restart
1. Edit /etc/apparmor.
/sys/devices/
2. Restart apparmor (as root): /etc/init.