[PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic
davej at redhat.com
Wed Jan 26 18:16:21 EST 2011
On Wed, Jan 26, 2011 at 03:07:44PM -0800, Luck, Tony wrote:
> >- The latest approach (proposed by Linus) is to forget the disk: jump to
> > real-mode, but display the kernel log in a fancy format (with scroll
> > ups and downs) instead.
> A while ago (first Plumbers conference?) someone was talking about
> using a 2-d barcode to display the tail of the kernel log & oops
> register data - with the plan that you could capture the image with
> a cell phone camera, and then get all the oops data without worrying
> about transcription errors as you wrote down & re-typed all the hex.
> Anyone know what happened to that plan?
How is this more useful than a photograph of the backtrace ?
More information about the kexec