From: Dave Jones <davej@redhat.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Marcelo Tossati <marcelo.tosatti@cyclades.com.br>, m.c.p@wolk-project.de
Subject: Re: [PATCH] Allow sysrq() via /proc/sys/kernel/magickey
Date: Fri, 19 Sep 2003 14:09:25 +0100 [thread overview]
Message-ID: <20030919130925.GA21000@redhat.com> (raw)
In-Reply-To: <200308252003.h7PK3EQq024312@hera.kernel.org>
On Mon, Aug 25, 2003 at 07:42:57PM +0000, Linux Kernel wrote:
> ChangeSet 1.1114, 2003/08/25 16:42:57-03:00, m.c.p@wolk-project.de
>
> [PATCH] Allow sysrq() via /proc/sys/kernel/magickey
>
> Hi Marcelo,
>
> sysrq() is a good thing to debug things, but unfortunately you need to have
> physical access to the keyboard. My company for instance maintains tons of
> remote machines and sometimes we need to do sysrq() too, but it's not
> possible to do so the remote way.
>
> Attached patch enables emulation of the Magic SysRq key (Alt-SysRq-key) via
> the /proc interface. Just echo the desired character into the file and there
> you go.
>
> Patch from Randy Dunlap!
>
> It's in -wolk for a long time and also in some other kernel tree forks.
> 2.5/2.6 has almost the same (/proc/sysrq-trigger)
So why not make this compatible with existing behaviour, and use the
same name ? Seems this is deviating between 2.4 / 2.6 for no good reason.
Dave
--
Dave Jones http://www.codemonkey.org.uk
prev parent reply other threads:[~2003-09-19 13:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200308252003.h7PK3EQq024312@hera.kernel.org>
2003-08-26 1:06 ` [PATCH] Allow sysrq() via /proc/sys/kernel/magickey Jeff Garzik
2003-09-19 13:09 ` Dave Jones [this message]
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