Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757278AbZDFVpq (ORCPT ); Mon, 6 Apr 2009 17:45:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752708AbZDFVph (ORCPT ); Mon, 6 Apr 2009 17:45:37 -0400 Received: from fg-out-1718.google.com ([72.14.220.156]:26715 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751989AbZDFVpg (ORCPT ); Mon, 6 Apr 2009 17:45:36 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=afvJFhkJAxw/jxzi6oa12bfXpopfUGFppQQ1Zs7DMgajEQxXTY9ztiOGMjEMKE2QaO tQi1zC/H+Zais36KBg8T9vDJZqgckM2yJphD1dB92gmGohQCKXnfaV4Gdda6uqMaOUd5 xBsmufzXG8vUgRv4gIfzbGy6UjVXW0YLjdxKs= Date: Mon, 6 Apr 2009 23:45:29 +0200 From: Andrea Righi To: Krzysztof Helt Cc: Andrew Morton , "Rafael J. Wysocki" , Andrey Borzenkov , Geert Uytterhoeven , "Antonino A. Daplas" , linux-fbdev-devel@lists.sourceforge.net, linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Dave Jones , Harvey Harrison , Johannes Weiner , Stefan Richter Subject: Re: commit 66c1ca breaks fbdev mode switching Message-ID: <20090406214528.GA17259@linux> References: <498817E2.3020008@gmail.com> <1233783983-28802-1-git-send-email-righi.andrea@gmail.com> <200903221748.42871.arvidjaar@gmail.com> <200903221857.20473.rjw@sisk.pl> <20090322145219.ad294615.akpm@linux-foundation.org> <20090406204718.ce4909b3.krzysztof.h1@poczta.fm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090406204718.ce4909b3.krzysztof.h1@poczta.fm> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 32 On Mon, Apr 06, 2009 at 08:47:18PM +0200, Krzysztof Helt wrote: > Hi, > > The commit 66c1ca breaks fbdev mode switching. The first mode > (selected with mode_option or during boot) is ok but every mode > switch with fbset locks up computer. If the commit is reverted > mode switching works correctly. > > I do not understand why. I would be grateful if someone else > can confirm the problem as well. > > The commit's details are: > > commit 66c1ca019078220dc1bf968f2bb18421100ef147 > Author: Andrea Righi > Date: Tue Mar 31 15:25:18 2009 -0700 > > fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency > > > Regards, > Krzysztof Any lockdep info or oops? it just locks up the system? Thanks, -Andrea -- 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/