From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965147AbVLVNTk (ORCPT ); Thu, 22 Dec 2005 08:19:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965148AbVLVNTk (ORCPT ); Thu, 22 Dec 2005 08:19:40 -0500 Received: from math.ut.ee ([193.40.36.2]:55244 "EHLO math.ut.ee") by vger.kernel.org with ESMTP id S965147AbVLVNTj (ORCPT ); Thu, 22 Dec 2005 08:19:39 -0500 Date: Thu, 22 Dec 2005 15:19:33 +0200 (EET) From: Meelis Roos To: Russell King cc: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org Subject: Re: Serial: bug in 8250.c when handling PCI or other level triggers In-Reply-To: <20051222130744.GA31339@flint.arm.linux.org.uk> Message-ID: References: <1134573803.25663.35.camel@localhost.localdomain> <20051214160700.7348A14BEA@rhn.tartu-labor> <20051214172445.GF7124@flint.arm.linux.org.uk> <20051221221516.GK1736@flint.arm.linux.org.uk> <20051222130744.GA31339@flint.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > I notice you're using gcc 4.0.3. Have you tried other compiler > versions? Will try 3.3. > Are you building the kernel with any additional compiler flags? No. > Are there any other patches applied to the 8250.c file apart from my > debugging patch? What's the diff between a vanilla Linus kernel and > the one you built? Clean uptodate -git tree + your patch + BUG_ON Also have seen this on many earlier kernels that were 100% vanilla. Both machines having the trouble have kernels that are compiled on this specific host and with this specific controller. -- Meelis Roos (mroos@linux.ee)