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

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Message-Id: <9BFBD0EA-C866-42F4-907F-61C6537F7A43@zytor.com>
Date:	Fri, 6 Jun 2014 20:08:14 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Richard Yao <ryao@...too.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, Vineet Gupta <vgupta@...opsys.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	Jiri Slaby <jslaby@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel@...too.org" <kernel@...too.org>,
	Brian Behlendorf <behlendorf1@...l.gov>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH] x86/dumpstack: Walk frames when built with frame pointers

Yes, but now you need a custom adapter.  Some have used a phono plug for the absolute minimum 3 wires.  However, no standards...

Sent from my tablet, pardon any formatting problems.

> On Jun 6, 2014, at 2:35, Peter Zijlstra <peterz@...radead.org> wrote:
> 
>> On Fri, Jun 06, 2014 at 10:24:20AM +0200, Borislav Petkov wrote:
>> 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.
> 
> This DE-9 is not esthetically pleasing :-) They could of course use a
> different connector, its only 5 wires or so iirc.
> 
> 
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