debug kernel gdb

Hello all! I have set up the following environment: vmrun.sh -d disk.img -t tap0 -G 1234 thevm Then I have moved to where I have the kernel compiled and ran gdb from there. In the VM, I have also run dtrace -n 'fbt:kernel:vtnet_tick:entry' And I can see that it fires regularly. The...

I'm trying to reach a point where I can do online debugging with kgdb of the FreeBSD kernel and it's modules in order to learn more about the system and take on a small projects in the system development. I have searched through the whole internet for the complete guide on how to do it however...

I have FreeBSD 14.0 running in VMWare Fusion 13.5.0 on my Mac with a custom kernel. I'm trying to setup this VM to do kernel debugging on and have added a serial port to the VM. I've confirmed the serial port works by connecting my Mac and the VM and exchanging data between the two. To setup...

First, I have to introduce myself, I'm a developer. and I really like the kernel development area. work with embedded systems. I'm a novice adventurer, some have called me because I'm younger and I have a very deep knowledge level, in the kernel by dedication. but let's get straight to the...

Hello. I think the title says it all!! :) I would like to know if there is indeed a way to toggle between gdb and ddb while debugging a remote kernel. I am already at the gdb (or rather kgdb :rolleyes:) prompt. From here how do I switch to local ddb on the debugged machine?? My kernel...

I installed FreeBSD 10.2 on Windows 10's Hyper-V, and found there are many disk devices under /dev folder, for example, /dev/da0 ~ /dev/da15. But in fact only /dev/da0 can be used. I'm trying to debug the storvsc during kernel boot by following "10.4. On-Line Kernel Debugging Using DDB" of...