Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933301AbXHDTiy (ORCPT ); Sat, 4 Aug 2007 15:38:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765488AbXHDTiq (ORCPT ); Sat, 4 Aug 2007 15:38:46 -0400 Received: from gateway.howardsilvan.com ([64.146.212.27]:47522 "EHLO mail.howardsilvan.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764445AbXHDTip (ORCPT ); Sat, 4 Aug 2007 15:38:45 -0400 Message-ID: <46B4D5BF.6070901@howardsilvan.com> Date: Sat, 04 Aug 2007 12:38:39 -0700 From: Lee Howard User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.13) Gecko/20060501 Fedora/1.7.13-1.1.fc4 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mark Lord CC: Robert Hancock , "Maciej W. Rozycki" , Russell King , linux-serial@vger.kernel.org, tytso@mit.edu, linux-kernel@vger.kernel.org Subject: Re: serial flow control appears broken References: <46A84B4A.6070902@shaw.ca> <46A8C6F1.4080309@howardsilvan.com> <46AA2748.80703@howardsilvan.com> <46AA3801.7090204@shaw.ca> <20070728092842.GC26443@flint.arm.linux.org.uk> <46B1F0CB.9060106@rtr.ca> <46B202DE.5000709@shaw.ca> <46B20662.6080606@rtr.ca> In-Reply-To: <46B20662.6080606@rtr.ca> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 767 Lines: 24 Mark Lord wrote: > The "fix" could be to have the serial IRQ handler never unmask > interrupts, > but that's a bit unsociable to others. The IDE stuff really needs to not > do so much during the actual IRQ handler. > > Ingo's RT patches would probably fix all of this. I did a Fedora 7 installation and installed Ingo's kernel from here: http://people.redhat.com/mingo/realtime-preempt/yum-testing/yum/i686/kernel-rt-2.6.21-0182.rt11cfsv17.i686.rpm Even then, the problem still occurs, unfortunately. Thanks, Lee. - 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/