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From: Jiri Kosina <jkosina@suse.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: PJ Waskiewicz <pjwaskiewicz@gmail.com>,
	Jason Cooper <jason@lakedaemon.net>,
	ksummit-discuss@lists.linuxfoundation.org,
	Anton Arapov <arapov@gmail.com>,
	Dirk Hohndel <hohndel@infradead.org>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] QR encoded oops for the kernel
Date: Thu, 15 May 2014 21:53:43 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LNX.2.00.1405152151130.16459@pobox.suse.cz> (raw)
In-Reply-To: <537513BC.6020401@zytor.com>

On Thu, 15 May 2014, H. Peter Anvin wrote:

> 	-hpa (who is suddenly thinking extremely evil thoughts about
>               modem tones and sound cards.)

I recall a patchset flying by years ago, which could use either keyboard 
LEDs or pc speaker to provide the oops to in morse code.

It's now more difficult with USB keyboards, because you need a lot of 
stuff to happen (including scheduling a workqueue) to blink the LEDs, but 
the pc speaker part should work.

Then you just run an app on your smartphone which decodes the morse back 
to the actual oops message, and you are done :)

-- 
Jiri Kosina
SUSE Labs

  reply	other threads:[~2014-05-15 19:53 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-11  4:14 Jason Cooper
2014-05-11 15:57 ` Sarah A Sharp
2014-05-11 16:29   ` Levente Kurusa
2014-05-11 16:37     ` Laurent Pinchart
2014-05-11 17:18       ` Levente Kurusa
2014-05-11 17:52         ` Teodora Băluţă
2014-05-11 21:49           ` Laurent Pinchart
2014-05-12 16:15           ` Jason Cooper
2014-05-12 16:36             ` Levente Kurusa
2014-05-12 16:53               ` H. Peter Anvin
2014-05-30 18:55                 ` Steven Rostedt
2014-05-12 17:00               ` Johannes Berg
2014-05-12 17:46                 ` Teodora Băluţă
     [not found]             ` <CACV2jQCV=rRFg-+x1B3H1=GM5rB_YWp1UU1p7xXkozHKv1Ewvg@mail.gmail.com>
2014-05-13  6:44               ` [Ksummit-discuss] Fwd: " Teodora Băluţă
2014-05-13  7:08                 ` Josh Triplett
2014-05-13 15:52                   ` Levente Kurusa
2014-05-13 18:42                     ` Andy Lutomirski
2014-05-13 20:18                     ` josh
2014-05-14  8:20                       ` Johannes Berg
2014-05-14 15:52                         ` Josh Triplett
2014-05-14 16:00                   ` H. Peter Anvin
2014-05-14 16:09                     ` Andy Lutomirski
2014-05-14 18:54                     ` Josh Triplett
2014-05-14 20:00                       ` Levente Kurusa
2014-05-14 20:24                         ` Daniel Vetter
2014-05-19 11:59                           ` David Herrmann
2014-05-14 22:55                         ` Josh Triplett
2014-05-15 12:44                           ` Levente Kurusa
2014-05-15 19:19                             ` H. Peter Anvin
2014-05-15 19:18                       ` H. Peter Anvin
2014-05-15 20:41                         ` Levente Kurusa
2014-05-13 14:45             ` [Ksummit-discuss] " David Woodhouse
2014-05-15 19:21               ` H. Peter Anvin
2014-05-15 19:53                 ` Jiri Kosina [this message]
2014-05-12 15:53         ` Jason Cooper
2014-05-12 16:49           ` Levente Kurusa
2014-05-12 17:09             ` H. Peter Anvin
2014-05-12 17:50               ` Teodora Băluţă
2014-05-13 11:25                 ` Greg KH
2014-05-13 14:41                   ` Sarah A Sharp
2014-05-13 15:05                     ` Greg KH
2014-05-13 15:51                       ` Sarah A Sharp
2014-05-13 15:59                         ` Josh Boyer
2014-05-13 16:07                           ` Theodore Ts'o
2014-05-13 17:43                             ` Levente Kurusa
2014-05-13 18:14                               ` Teodora Baluta
2014-05-15 14:24                                 ` Levente Kurusa
2014-05-15 16:02                                   ` Teodora Băluţă
2014-05-14  1:14                             ` Josh Boyer
2014-05-15 17:01                               ` Levente Kurusa
2014-05-15 17:11                                 ` Josh Boyer
2014-05-17 15:02                                   ` Levente Kurusa
2014-05-15  5:41                             ` PJ Waskiewicz
2014-05-15 15:41                               ` Theodore Ts'o
2014-05-17 16:36                                 ` Levente Kurusa
2014-05-20 14:47                                   ` Theodore Ts'o
2014-05-21 18:03                                     ` Levente Kurusa
2014-05-25 19:49                                       ` Teodora Băluţă
2014-05-15 19:24                             ` H. Peter Anvin
2014-05-15 21:13                               ` Levente Kurusa
2014-05-13 16:03                         ` Greg KH
2014-05-12 17:24             ` Jason Cooper
2014-05-11 17:49       ` Sarah A Sharp
2014-05-12 10:13     ` Masami Hiramatsu
2014-05-12  2:38   ` H. Peter Anvin
2014-05-12  6:13     ` Josh Triplett
2014-05-12  9:23       ` David Woodhouse
2014-05-12 13:48         ` Lukáš Czerner
2014-05-12 16:24           ` Jason Cooper
2014-05-12 16:45             ` H. Peter Anvin
2014-05-12 16:22         ` Jason Cooper
2014-05-12 16:46           ` H. Peter Anvin
2014-05-12 17:32             ` Jason Cooper
2014-05-12 17:42               ` Sarah A Sharp
2014-05-12 15:46   ` Jason Cooper

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