The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.
Operations that trigger a quota rescan or those that disable the quota on a mounted file system cause a kernel oops message when attempting to unmount the file system. This behavior can cause the system to hang. (Bug ID 22377928)