Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755322Ab0HBVFS (ORCPT ); Mon, 2 Aug 2010 17:05:18 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49752 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754194Ab0HBVFQ (ORCPT ); Mon, 2 Aug 2010 17:05:16 -0400 Message-ID: <4C5732DC.8010800@zytor.com> Date: Mon, 02 Aug 2010 14:04:28 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Thunderbird/3.1.1 MIME-Version: 1.0 To: Ondrej Zary CC: brgerst@gmail.com, Kernel development list Subject: Re: 6175ddf06b6172046a329e3abfd9c901a43efd2e breaks matroxfb console References: <201008022150.01037.linux@rainbow-software.org> In-Reply-To: <201008022150.01037.linux@rainbow-software.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 23 On 08/02/2010 12:49 PM, Ondrej Zary wrote: > Hello, > matroxfb (at least with Mystique and Mystique 220) stopped working in 2.6.34 - > the screen is completely corrupted. Bisection shows that > 6175ddf06b6172046a329e3abfd9c901a43efd2e is first bad commit. > > Reverting 6175ddf06b6172046a329e3abfd9c901a43efd2e in 2.6.34 fixes the problem > (1c5b9069e12e20d2fe883076ae0bf73966492108 must be reverted first). > Sounds like another driver which used memcpy_toio() when it should have used iowrite32_rep() or __iowrite32_copy(). Hmm... is __iowrite32_copy() and iowrite32_rep() redundant? If so, we should get rid of the former. -hpa -- 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/