From xfree86-admin@XFree86.Org Mon Jun 30 16:30:40 2008 Return-Path: X-Original-To: xfree86@e.kevb.net Delivered-To: xfree86@e.kevb.net Received: from public.xfree86.org (xf86a.isc.org [204.152.186.177]) by e.kevb.net (Postfix) with ESMTP id 5E2191040DA3 for ; Mon, 30 Jun 2008 16:30:40 -0400 (EDT) Received: from public.XFree86.Org (localhost [127.0.0.1]) by public.xfree86.org (Postfix) with ESMTP id 937F11DB2C; Mon, 30 Jun 2008 13:30:18 -0700 (PDT) Received: from mail3.srv.ualberta.ca (smtp.srv.ualberta.ca [129.128.5.19]) by xfree86.org (8.13.6/8.13.6) with ESMTP id m5UKRZ1o073688 for ; Mon, 30 Jun 2008 13:27:36 -0700 (PDT) (envelope-from tsi@ualberta.ca) Received: from cluij.ucs.ualberta.ca (cluij.ucs.ualberta.ca [129.128.8.198]) by mail3.srv.ualberta.ca (8.13.8/8.13.8) with ESMTP id m5UKRTGs021324 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NOT); Mon, 30 Jun 2008 14:27:32 -0600 (MDT) From: Marc Aurele La France To: vishnuvaradan vishnuvaradan Cc: xfree86@xfree86.org Subject: Re: [XFree86] Debug statements inside xfree video driver ?? In-Reply-To: <440e0a9b0806300920n50852219x47b437b8fa536ee4@mail.gmail.com> Message-ID: References: <440e0a9b0806290821x6650d04lb6299e075a0fedd2@mail.gmail.com> <440e0a9b0806300920n50852219x47b437b8fa536ee4@mail.gmail.com> User-Agent: Alpine 1.10 (WNT 962 2008-03-14) X-X-Sender: tsi@maildrop.srv.ualberta.ca MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Reply-To: xfree86@xfree86.org X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on public.xfree86.org X-Spam-Status: No, hits=0.0 required=6.0 tests=none autolearn=no version=2.63 X-Spam-Level: Sender: xfree86-admin@XFree86.Org Errors-To: xfree86-admin@XFree86.Org X-BeenThere: xfree86@XFree86.Org X-Mailman-Version: 2.0.9 Precedence: bulk List-Unsubscribe: , List-Id: XFree86 Debugging Issues List-Post: List-Help: List-Subscribe: , List-Archive: Date: Mon, 30 Jun 2008 14:27:29 -0600 (Mountain Daylight Time) On Mon, 30 Jun 2008, vishnuvaradan vishnuvaradan wrote: > On Sun, Jun 29, 2008 at 9:54 PM, Marc Aurele La France > wrote: >> On Sun, 29 Jun 2008, vishnuvaradan vishnuvaradan wrote: >> Iam trying to integrate the xfree video driver for my PMC graphics card .. >> while configuring and running the driver access some illegal memory area >>> and >>> iam geting oops kernel access bad area.. >> I need to debug the video driver.. ( reg its IOBASE,mem base etc) >> I added printf inside the driver but it is not coming in var/log >> Please give idea how to add some debug statements(with variable values) >>> inside the video driver such that it will come in var/log ...??? >> The server closes stdout as part of its initialisation. You could use >> stderr instead, but it is preferable to use the xf86Msg() family of >> functions. These are documented in section 18.1 of the DESIGN document. >> Still, I could not find where my video driver access bad area. > As said earlier iam using the PMC graphics card along with a base board. > while integrating the frame buffer driver for the graphics, based on > our architecture > FOR I/o READ/WRITE ACCESS I should use as > outb(val,port) as outb(val, 0xF2000000+port) > inb(val,port) as inb(val, 0xF2000000+ port) > I have modified the direct I/O accessing in the xfree in my video driver > ... > Shall i need to modify the same in compiler.h inside > programs/Xserver/hw/xfree86/common ?? > I suspect the problem is closely related to I/o issue only.... > I have attached the log file and the serial port messages for ur > reference .. > Please shed me some light to solve the issue.. For this architecture, compiler.h offsets all PCI I/O by ioBase, which in turn is set by xf86EnableIO() in os-support/linux/lnx_video.c Marc. +----------------------------------+----------------------------------+ | Marc Aurele La France | work: 1-780-492-9310 | | Academic Information and | fax: 1-780-492-1729 | | Communications Technologies | email: tsi@ualberta.ca | | 352 General Services Building +----------------------------------+ | University of Alberta | | | Edmonton, Alberta | Standard disclaimers apply | | T6G 2H1 | | | CANADA | | +----------------------------------+----------------------------------+ XFree86 developer and VP. ATI driver and X server internals. _______________________________________________ XFree86 mailing list XFree86@XFree86.Org http://XFree86.Org/mailman/listinfo/xfree86