From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 2 Jun 2001 18:43:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 2 Jun 2001 18:43:10 -0400 Received: from neon-gw.transmeta.com ([209.10.217.66]:22547 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Sat, 2 Jun 2001 18:42:58 -0400 From: "H. Peter Anvin" Message-ID: <3B196BE4.79CFFAF4@transmeta.com> Date: Sat, 02 Jun 2001 15:42:44 -0700 X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.4 i686) X-Accept-Language: en, sv, no, da, es, fr, ja MIME-Version: 1.0 To: Russell King CC: linux-kernel@vger.kernel.org Subject: Re: missing sysrq In-Reply-To: <20010601203841Z261493-933+3160@vger.kernel.org> <9f97hu$83v$1@cesium.transmeta.com> <20010602230815.A22390@flint.arm.linux.org.uk> <3B19646F.CBB6DB65@transmeta.com> <20010602233920.A23300@flint.arm.linux.org.uk> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Russell King wrote: > > On Sat, Jun 02, 2001 at 03:10:55PM -0700, H. Peter Anvin wrote: > > That seems like a very bad idea. What if there is a boot script bug? > > Also think about kernel panics - the only thing that works after that > is the power or (if you have it connected) reset button. ctrl-alt-del > needs keventd to work, and since sysrq-b is disabled by default... > > However, IMHO that is a non-point because you need to be physically > at the system either way to solve the problem. > Not true if you have a serial console (and SysRq over serial console happens to work correctly that day.) Assuming this change is corrected to be sane. -hpa