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How do you debug system issues on Linux?
(reddthat.com)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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There are guides available. Search for 'Linux kernel debugging' or 'Linux module debugging', depending on which you are more interested in. And, of course, learn about the relevant parts of the kernel.
You might have a look at Debugging kernel and modules via gdb¶. The kernel.org site has a wealth of information.