linux-kernel - Re: [PATCH 0/9] Add blockconsole version 1.1 (try 2)

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Message-ID: <s5htxovxcrl.wl%tiwai@suse.de>
Date:	Fri, 01 Mar 2013 18:15:10 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Joern Engel <joern@...fs.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Borislav Petkov <bp@...en8.de>, Jeff Moyer <jmoyer@...hat.com>
Subject: Re: [PATCH 0/9] Add blockconsole version 1.1 (try 2)

At Thu, 28 Feb 2013 16:39:53 -0500,
Joern Engel wrote:
> 
> Blockconsole is a console driver very roughly similar to netconsole.
> Instead of sending messages out via UDP, they are written to a block
> device.  Typically a USB stick is chosen, although in principle any
> block device will do.
> 
> In most cases blockconsole is useful where netconsole is not, i.e.
> single machines without network access or without an accessable
> netconsole capture server.  When using both blockconsole and
> netconsole, I have found netconsole to sometimes create a mess under
> high message load (sysrq-t, etc.) while blockconsole does not.
> 
> Most importantly, a number of bugs were identified and fixed that
> would have been unexplained machine reboots without blockconsole.
> 
> More highlights:
> * reasonably small and self-contained code,
> * some 100+ machine years of runtime,
> * nice tutorial with a 30-sec guide for the impatient.
> 
> Special thanks to Borislav Petkov for many improvements and kicking my
> behind to provide a proper git tree and resend patches.
> 
> A number of cleanup patches could be folded into the main patch, but I
> decided not to mess with git history and leave any further mistakes
> for the world to laugh at:
> git://git.kernel.org/pub/scm/linux/kernel/git/joern/bcon2.git

I got a build error after pulling onto the latest Linus tree.  Also I
have another couple of trivial fixes.  The patches will follow.


thanks,

Takashi
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