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From: Dave Jones <davej@redhat.com>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: "Willy Tarreau" <wtarreau@hera.kernel.org>,
	"Dirk Hohndel" <hohndel@infradead.org>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	FBDEV-ML <linux-fbdev@vger.kernel.org>,
	IDE-ML <linux-ide@vger.kernel.org>,
	"Randy Dunlap" <rdunlap@xenotime.net>,
	"James Bottomley" <James.Bottomley@suse.de>,
	"H. Peter Anvin" <hpa@zytor.com>, X86-ML <x86@kernel.org>,
	"Ahmed S. Darwish" <darwish.07@gmail.com>,
	"Ingo Molnar" <mingo@redhat.com>, "Ingo Molnar" <mingo@elte.hu>,
	"Jeff Garzik" <jgarzik@pobox.com>,
	"Vivek Goyal" <vgoyal@redhat.com>,
	"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
	"Hohndel, Dirk" <dirk.hohndel@intel.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Mark Lord" <kernel@teksavvy.com>,
	"Arjan van de Ven" <arjan@infradead.org>,
	KEXEC-ML <kexec@lists.infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"Haren Myneni" <hbabu@us.ibm.com>,
	"Eric Biederman" <ebiederm@xmission.com>,
	"Tejun Heo" <tj@kernel.org>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Willy Tarreau" <w@1wt.eu>
Subject: Re: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk	upon panic
Date: Wed, 26 Jan 2011 18:16:21 -0500	[thread overview]
Message-ID: <20110126231620.GA14807@redhat.com> (raw)
In-Reply-To: <987664A83D2D224EAE907B061CE93D53019438EABF@orsmsx505.amr.corp.intel.com>

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 ?

	Dave


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  reply	other threads:[~2011-01-26 23:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20110125134748.GA10051@laptop>
     [not found] ` <AANLkTinU0KYiCd4p=z+=ojbkeEoT2G+CAYvdRU02KJEn@mail.gmail.com>
2011-01-26 12:49   ` [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic Ahmed S. Darwish
2011-01-26 12:58     ` Ingo Molnar
2011-01-26 13:34       ` Ahmed S. Darwish
2011-01-26 14:00         ` Ingo Molnar
2011-01-27  4:35           ` H. Peter Anvin
2011-01-27 11:41             ` Ingo Molnar
2011-01-27 15:47               ` Eric W. Biederman
2011-01-27 16:12                 ` H. Peter Anvin
2011-01-26 23:07     ` Luck, Tony
2011-01-26 23:16       ` Dave Jones [this message]
2011-01-26 23:21         ` Luck, Tony
2011-01-27  1:09       ` Ahmed S. Darwish
     [not found]     ` <20110127021338.GA20334@redhat.com>
2011-01-27  3:33       ` Ahmed S. Darwish
2011-01-27  4:44       ` H. Peter Anvin
2011-01-27  5:26         ` Ahmed S. Darwish
2011-01-27  7:51           ` Eric W. Biederman
2011-02-02 11:13             ` Ahmed S. Darwish

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