From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ico Doornekamp Subject: Re: Questions about fbdriver integration Date: Sun, 25 Nov 2007 11:53:56 +0100 Message-ID: <20071125105356.GI3183@pruts.nl> References: <20071124214325.GD3183@pruts.nl> <20071124221447.GF3183@pruts.nl> <45a44e480711241449l5c368250q40e5adc1fab117fa@mail.gmail.com> <20071125090525.GG3183@pruts.nl> <45a44e480711250248x692c3d2p8b5bade876a36d26@mail.gmail.com> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1IwF7p-0005ZM-3J for linux-fbdev-devel@lists.sourceforge.net; Sun, 25 Nov 2007 02:54:09 -0800 Received: from pruts.nl ([82.94.235.106] helo=iron.pruts.nl ident=postfix) by mail.sourceforge.net with esmtp (Exim 4.44) id 1IwF7m-0005GG-KZ for linux-fbdev-devel@lists.sourceforge.net; Sun, 25 Nov 2007 02:54:07 -0800 Received: from localhost (localhost.localdomain [127.0.0.1]) by iron.pruts.nl (Postfix) with ESMTP id 8931112E42D for ; Sun, 25 Nov 2007 11:54:05 +0100 (CET) Received: from iron.pruts.nl ([127.0.0.1]) by localhost (iron.pruts.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OOk8aqpVWAJz for ; Sun, 25 Nov 2007 11:53:56 +0100 (CET) Content-Disposition: inline In-Reply-To: <45a44e480711250248x692c3d2p8b5bade876a36d26@mail.gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: linux-fbdev-devel@lists.sourceforge.net * On 2007-11-25 Jaya Kumar wrote : > On Nov 25, 2007 4:05 AM, Ico Doornekamp wrote: > > > > This seems to fix my mmap problem, although the first mmap > > access yields a kernel warning: > > > > WARNING: at fs/buffer.c:696 __set_page_dirty() > > [] __set_page_dirty+0xb8/0xf0 > > [] set_page_dirty+0x29/0x50 > > [] set_page_dirty_balance+0xb/0x40 > > [] __do_fault+0x160/0x340 > > [] handle_mm_fault+0xd3/0x3d0 > > > > Odd. I don't see the same warning. I am still on 2.6.22.10 so maybe > it's a recent change. Just curious, which kernel are you using and on > which arch? I'm running 2.6.23.8 on i386. I can post the driver code if this would be of any help. Unfortunalely I'm not very familiar with the lowlevel paging and memory handling, so this is a though one for me to debug myself. -- :wq ^X^Cy^K^X^C^C^C^C ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/