[CentOS] How do I debug the kernel?

Lists lists at littlebald.com
Thu Mar 22 20:25:41 UTC 2007

On Tue, 6 Mar 2007, Rodrigo Barbosa wrote:

> Hash: SHA1
> On Tue, Mar 06, 2007 at 01:01:48PM -0500, Mark Hull-Richter wrote:
>> Probably an odd question, but, as I have said many times before, I'm
>> more than a little bit rusty on this stuff.  I know I can use gdb to
>> debug the running kernel, but I'm not sure how to invoke it properly for
>> CentOS.
>> Please advise.
> 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 kernel,
> and one for the debuger. These computers should be connected using a
> serial (RS232) cable.
Would VMWare let you run the kernel you're debugging in a VM and watch it 
from the host?

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