GayBSD documentation tree
d26b8ed87a
- Document vmcore.last and describe it as the way to find the most recent dump rather than the highest numbered dump. - Document crashinfo and that it automatically runs to generate a core.txt.N file if core dumps are enabled in rc.conf. - Add a section on testing kernel dumps via the debug.kdb.panic sysctl. Remove a later note about debug.kdb.panic from the DDB section. - Remove any mention of gdb -k (for pre 5-3 kernels) and just talk about kgdb. - Remove paragraph that talks about trying to find the kernel.debug file. Instead, recommand 'kgdb -n <N>' which does this lookup automatically, and specifically recommend 'kgb -n last' to open the most recent crash dump. Mention the fallback of specifying the kernel and vmcore directly if needed. - Remove example dump from FreeBSD 2. It is generally no longer relevant. It used gdb -k which uses a different stack trace format as well as including a 'frame' command that doesn't existing kgdb. (kgdb instead lets you switch to different threads and processes). - Remove mention of old boot blocks that don't load debug symbols. I think this was last relevant in FreeBSD 2.x or 3.x. - Rework the description of 'boot -d' to assume the boot menu and explicitly mention 'boot -d' at the loader prompt. - Document how to get stack traces of other threads in DDB. - Fix a few references to gdb to reference kgdb instead. - Replace 'call cpu_reset' with 'reset' for DDB. Differential Revision: https://reviews.freebsd.org/D14711 |
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| README | ||
$FreeBSD$
If you plan on building a local copy of the FreeBSD documentation, or using
our toolchain in your own projects, please read
https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/fdp-primer/
for information about the tools and formatting languages we use.
Chapter 1 has a Quick Start section, and Chapter 2 covers the software
and related items in more detail.