Debugging a custom kernel

[Jonathan Neuschäfer]

On Wed, Jun 29, 2011 at 10:14:41PM +0200, Apelete Seketeli wrote:
> Hello,
> 
> I am working on a custom kernel, and I would like to add the necessary
> support to enable it to boot with qemu. In order to achieve that I am
> trying to debug it inside qemu by attaching a gdb to it. I still can't
> figure where the boot process is getting stuck with step-by-step
> execution, but it seems that the last function called is "delay_loop"
> from arch/x86/lib/delay.c.
> That function contains some assembly code, does someone know what it
> is supposed to do ?
> Beside, do you have any advice on the way I should proceed to get the
> necessary information to port the kernel ? 

Does a stock kernel work in your setup?
If so, try using its config, most distributions put it into /boot as
config-`uname -r` or something.

HTH,
	Jonathan Neuschäfer