Examine Problematic Kernel Dumps

In this lesson, we will learn how to navigate through a kernel dump that has some problems.

Loading the core dump

The first step is to load up the dump with crash to see what actually happened at the time this core dump was generated.

The above command will output the following to the terminal:

Let’s check the log for details.

Checking the log

We can do this in crash with the log command. We use it with the -T flag to display the message text with a human-readable timestamp:

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