I am trying to debug a driver for an Ethernet-MAC in the Linux kernel using kgdb over serial.
I halt the execution by making a call to "kgdb_breakpoint()" at the desired location in the code and recompile the kernel.
But after the code halts, as you may notice in the screenshot the backtrace shows correct function-graph and source filenames but, for some reason corresponding line numbers are not correct.
Please note: I have compiled this kernel with "CONFIG_FRAME_POINTER" set and "nokaslr" in the boot-args.
Is there a way I can see a stack trace with correct line number here ?
(I have used QtCreator during this screenshot, although behavior is similar with gdb over command-line or TUI)
Edit: No matter, whichever function I put the `kgdb_breakpoint()` in, (inside the driver source) , line number in the stacktrace always say the same line number for the halted function.