Debugging a system freeze?

[Pedro Francisco]

On Sun, Jun 17, 2012 at 7:40 AM, Christopher Svanefalk
<christopher.svanefalk at gmail.com> wrote:
> Recently I have been having problems with my machine completely freezing up
> seemingly randomly. The display freezes in its current frame, and all I/O is
> completely unresponsive. It is not possible to SSH into it at this stage
> (ssh fails with a Host Unreachable error). The only remedy is a manual
> reset.

Well assuming the issue isn't the overclock.... :p try this
https://fedoraproject.org/wiki/How_to_use_kdump_to_debug_kernel_crashes
.

-- 
Pedro