Re: [PATCH] x86/dumpstack: Walk frames when built with frame pointers

From: Borislav Petkov
Date: Fri Jun 06 2014 - 04:24:28 EST

On Fri, Jun 06, 2014 at 10:17:26AM +0200, Peter Zijlstra wrote:
> Hopefully the EFI pstore thing will work out, but I've already heard
> that can wear out very quickly and render your machine a brick :-(

And not only that - write speed is awfully low. I hear you might be ok
to record an oops or so. Continuous debug output, not so much.

> Me, I simply refuse to work on machines if they don't have a serial
> line, but in general that's not a tenable position I suppose :/

Well, with all the other crap they put in modern machines, how hard it
is to put a goddam stupid serial line out everywhere...? WTF do I need a
goddam adaptive keyboard and other idiotic bling-bling if I can't have a
simple serial line for debugging... Blergh.
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