Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932152AbXBVPHo (ORCPT ); Thu, 22 Feb 2007 10:07:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933086AbXBVPHo (ORCPT ); Thu, 22 Feb 2007 10:07:44 -0500 Received: from lmv.inov.pt ([146.193.64.2]:53707 "EHLO lmv.inov.pt" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932152AbXBVPHn (ORCPT ); Thu, 22 Feb 2007 10:07:43 -0500 Message-ID: <45DDB1A6.8020409@inov.pt> Date: Thu, 22 Feb 2007 15:07:18 +0000 From: Jose Goncalves User-Agent: Thunderbird 1.5.0.9 (X11/20070111) MIME-Version: 1.0 To: "Michael K. Edwards" , Frederik Deweerdt , akpm@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: Serial related oops References: <20070219143520.GB27370@flint.arm.linux.org.uk> <20070220144814.GJ566@slug> <20070219150508.GD27370@flint.arm.linux.org.uk> <45D9D073.7020701@inov.pt> <20070219164200.GF27370@flint.arm.linux.org.uk> <45D9E46C.4030408@inov.pt> <20070219212347.GA4258@flint.arm.linux.org.uk> <45DC537B.6020108@inov.pt> <20070221230503.GA28156@flint.arm.linux.org.uk> <20070222085413.GB15841@flint.arm.linux.org.uk> In-Reply-To: <20070222085413.GB15841@flint.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-INOV-EmailServer-Information: Please contact the Email service provider for more information X-INOV-EmailServer: Found to be clean X-INOV-EmailServer-From: jose.goncalves@inov.pt Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 916 Lines: 26 Russell King wrote: > On Wed, Feb 21, 2007 at 04:34:15PM -0800, Michael K. Edwards wrote: > >> Are you using an unpatched gcc 4.1.1? Its optimizer did nasty things >> to us, at least on an ARM target ... >> > > That's ruled out. Please think about it for a moment - serial_in() > managed to work correctly most of the time, and then spontaneously > changes its well-defined ABI behaviour in a way that analysis of the > asm doesn't allow it to. > I'm using gcc 3.4.6. But I agree with Russell, if it was such a problem it would hit on the first iteration of my application and not after 1 day of executing the same piece of code... Regards, Jos? Gon?alves - 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/