Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161232AbXAZTsP (ORCPT ); Fri, 26 Jan 2007 14:48:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161234AbXAZTsP (ORCPT ); Fri, 26 Jan 2007 14:48:15 -0500 Received: from smtp.osdl.org ([65.172.181.24]:52099 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161232AbXAZTsO (ORCPT ); Fri, 26 Jan 2007 14:48:14 -0500 Date: Fri, 26 Jan 2007 11:48:05 -0800 From: Andrew Morton To: "Matthew Kirk" Cc: Subject: Re: fsync occasionally very slow Message-Id: <20070126114805.628f1351.akpm@osdl.org> In-Reply-To: <000c01c74180$dfe71070$6600a8c0@charm> References: <001a01c74136$0028ecf0$6600a8c0@charm> <20070126031654.a41fe374.akpm@osdl.org> <000c01c74180$dfe71070$6600a8c0@charm> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 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 Content-Length: 919 Lines: 21 On Fri, 26 Jan 2007 14:33:36 -0500 "Matthew Kirk" wrote: > Sorry, this will show my ignorance... my system is lacking > /proc/sysrq-trigger. I can find how to build a kernel with the magic sysrq > key (CONFIG_MAGIC_SYSRQ=y), and have done so, but I still don't have > /proc/sysrq-* and cannot seem to find how to build in sysrq functionality > itself - assuming that's what's missing. Presumably it's something in > .config I'm just not seeing? > I think you're running a prehistoric kernel which might predate /proc/sysrq-trigger? You can get the same effect by typing alt-sysrq-t at the right time (or whatever the combination is on that machine). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/