Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 27 Sep 2002 22:13:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 27 Sep 2002 22:13:05 -0400 Received: from 12-231-242-11.client.attbi.com ([12.231.242.11]:61966 "HELO kroah.com") by vger.kernel.org with SMTP id ; Fri, 27 Sep 2002 22:13:05 -0400 Date: Fri, 27 Sep 2002 19:16:43 -0700 From: Greg KH To: Robert Love Cc: linux-kernel@vger.kernel.org Subject: Re: Sleeping function called from illegal context... Message-ID: <20020928021643.GB14866@kroah.com> References: <20020927233044.GA14234@kroah.com> <1033174290.23958.17.camel@phantasy> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1033174290.23958.17.camel@phantasy> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 822 Lines: 21 On Fri, Sep 27, 2002 at 08:51:30PM -0400, Robert Love wrote: > On Fri, 2002-09-27 at 19:30, Greg KH wrote: > > > The system still seems to be running ok, but I think I'll turn off > > CONFIG_PREEMPT just to be sure. > > Note this has nothing to do with kernel preemption. IDE explicitly > sleeps while purposely holding a lock. > > It is just we do not have the ability to measure atomicity w/o > preemption enabled - e.g. the debugging only works when it is enabled. Yes, you are correct. Sorry for stating that. It's shaking out lots of potential proplems :) greg k-h - 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/