kgdb
There are 3 repositories under kgdb topic.
cirosantilli/linux-kernel-module-cheat
The perfect emulation setup to study and develop the Linux kernel, kernel modules, QEMU, gem5 and x86_64, ARMv7 and ARMv8 userland and baremetal assembly, ANSI C, C++ and POSIX. GDB step debug and KGDB just work. Powered by Buildroot and crosstool-NG. Highly automated. Thoroughly documented. Automated tests. "Tested" in an Ubuntu 24.04 host.
daniel-thompson/kgdbtest
A collection of fully automated kernel tests that test aspects of the kernel that rely upon having access to a console
Rybasum/Sernic
Windows serial (COM) port to localhost network forwarding with gdb remote protocol filtering.