A program named kgdb is also used by FreeBSD. It is a gdb based utility for debugging kernel core files.5 It can also be used for remote "live" kernel debugging, much in the same way as the Linux KGDB, over either a serial connection or a firewire link.6
"Commit adding KGDB to NetBSD kernel". NetBSD CVS source code. The NetBSD Foundation. Retrieved 1 August 2013. http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/i386/conf/GENERIC.diff?r1=1.89&r2=1.90&only_with_tag=MAIN&f=h ↩
kgdb.geeksofpune.in/credits.htm ↩
"LKML: "Amit S. Kale": kgdb (kernel debugger) updates". https://lkml.org/lkml/2000/10/16/94 ↩
Kgdb Light | KernelTrap Archived 2008-04-16 at the Wayback Machine http://kerneltrap.org/Linux/Kgdb_Light ↩
FreeBSD kgdb man page http://www.freebsd.org/cgi/man.cgi?query=kgdb&sektion=1&manpath=FreeBSD+6.0-stable ↩
FreeBSD handbook: remote KGDB http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-online-gdb.html ↩