> What are good kernel debugging tools esp for debugging live[and possibly hung :)] processes?
> I have heard of the standard kdb but I do not have it on my RH distro tho' I have modutils installed [ok ..I can install it later..].
> I tried gdb's attach feature to attach to a process that is hung in the kernel and gdb got hung too..
> I was looking for something like adb/mdb on Solaris where I can use something like the
> 'threadlist' macro etc.
I am also having serious problems finding good information on how to
use any debugging tools in the kernel. I am surprised as I assumed
with all the open kernel development going on in Linux there would be
lots of knowledge out there, but it seems pretty sparse, please e-mail
if you find useful information, also I would like to know if you can
drop into kdb on a panic automatically, this is exactly what I need.