[CentOS] How do I debug the kernel?

Tue Mar 6 20:24:26 UTC 2007
Mark Hull-Richter <mhull-richter at datallegro.com>

I thought there was a way to debug the kernel live on its own machine,
as long as you have more than one processor (we do) and you don't set a
breakpoint in synchronization code.

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Rodrigo Barbosa
> Sent: Tuesday, March 06, 2007 11:01 AM
> To: CentOS mailing list
> Subject: Re: [CentOS] How do I debug the kernel?
> Hash: SHA1
> Using gdb to debug the kernel is not an easy trick. You will need
> a kgdb patch for the kernel, and 2 computers. 1 for running the
> and one for the debuger. These computers should be connected using a
> serial (RS232) cable.
> Please take notice I haven't done this since the 2.0 days, so things
> might have changed, but I don't expect they changed much.