How to determine what process caused an ext3, ext4, or xfs filesystem to freeze?

Solution Verified - Updated 2016-01-01T17:32:07+00:00 -

Issue

One of our ext4 filesystems entered a frozen state and did not return. This caused the system to suffer from an extremely high ldavg and become unresponsive. How do we determine what process caused the filesystem freeze to occur if it occurs again?

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Here are the common uses of Markdown.

Code blocks

~~~
Code surrounded in tildes is easier to read
~~~

Links/URLs

[Red Hat Customer Portal](https://access.redhat.com)