linux-kernel - RE: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <987664A83D2D224EAE907B061CE93D53019438F230@orsmsx505.amr.corp.intel.com>
Date:	Thu, 27 Jan 2011 10:56:39 -0800
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>
CC:	Dave Jones <davej@...hat.com>,
	"Ahmed S. Darwish" <darwish.07@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, X86-ML <x86@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Willy Tarreau <wtarreau@...a.kernel.org>,
	Willy Tarreau <w@....eu>, Dirk Hohndel <hohndel@...radead.org>,
	"Hohndel, Dirk" <dirk.hohndel@...el.com>,
	IDE-ML <linux-ide@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Borislav Petkov <bp@...en8.de>,
	Arjan van de Ven <arjan@...radead.org>,
	Tejun Heo <tj@...nel.org>,
	James Bottomley <James.Bottomley@...e.de>,
	Mark Lord <kernel@...savvy.com>,
	Jeff Garzik <jgarzik@...ox.com>,
	Eric Biederman <ebiederm@...ssion.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Haren Myneni <hbabu@...ibm.com>,
	FBDEV-ML <linux-fbdev@...r.kernel.org>
Subject: RE: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk	upon
 panic

> Yeah, i've done it countless times and it's very painful indeed - but the 
> alternative "losing context" would be even worse to me. Can we do both - i.e. have 
> the barcode on the screen alongside the oops itself? (although at that point they'll 
> be taking screen real estate from each other - degrading the information in *both* 
> venues.)
>
> Keyboard 'oops scrolling' driver with 'flip to barcode output' key? :-)

If we can make the screen scroll, or guarantee that a hot key will switch to
the barcode view, then those look like good solutions. Sharing space on a
non-scrollable view sounds like a poor choice. Perhaps better to have a
command line option to say which to provide (default = text).

-Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/