From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964898AbWGTDVt (ORCPT ); Wed, 19 Jul 2006 23:21:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964899AbWGTDVt (ORCPT ); Wed, 19 Jul 2006 23:21:49 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:53480 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964898AbWGTDVs (ORCPT ); Wed, 19 Jul 2006 23:21:48 -0400 Subject: Re: [v4l-dvb-maintainer] Re: oops in bttv From: Mauro Carvalho Chehab To: Michael Krufky Cc: Nish Aravamudan , Alex Riesen , video4linux-list@redhat.com, Martin.vGagern@gmx.net, linux-kernel , v4l-dvb-maintainer@linuxtv.org, Alex Riesen , Andrew Morton In-Reply-To: <44BE699A.5000106@linuxtv.org> References: <20060711204940.GA11497@steel.home> <1152962993.26522.18.camel@praia> <81b0412b0607170634p298ab59p3c52b8c9c0cc7661@mail.gmail.com> <29495f1d0607191009r736ed327y797e69ac4915e1e7@mail.gmail.com> <44BE699A.5000106@linuxtv.org> Content-Type: text/plain; charset=ISO-8859-1 Date: Thu, 20 Jul 2006 00:21:19 -0300 Message-Id: <1153365680.11903.5.camel@praia> Mime-Version: 1.0 X-Mailer: Evolution 2.7.2.1-4mdv2007.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Em Qua, 2006-07-19 ās 13:19 -0400, Michael Krufky escreveu: > Nish Aravamudan wrote: > > On 7/17/06, Alex Riesen wrote: > >> On 7/15/06, Mauro Carvalho Chehab wrote: > >> > > What I did was to call settings of the flashplayer and press on the > >> > > webcam symbol there. The system didn't crash, just this oops: > >> > > > >> > > BUG: unable to handle kernel NULL pointer dereference at virtual > >> address 0000006 > >> > > 5 > >> > Hmm... Are you using it on what machine? It might be related to an > >> > improper handling at compat32 module. > >> > >> 32bit. PIV, 2Gb, highmem on. > > > > Is this the same bug as http://bugzilla.kernel.org/show_bug.cgi?id=6869? > > It LOOKS the same to me... I have tried to reproduce this OOPS > unsuccessfully, but it seems to be happening for many other users. > > I can't imagine why I am unable to reproduce it. Also I couldn't reproduce it here. I'm testing with -rc2 + v4l/dvb git patches available at my git tree (http://www.kernel.org/git/?p=linux/kernel/git/mchehab/v4l-dvb.git;a=summary): [ 661.840349] bttv0: using tuner=4 [ 661.849056] kobject tuner: registering. parent: , set: module [ 661.849111] kobject_uevent [ 661.849125] fill_kobj_path: path = '/module/tuner' [ 661.849535] bus i2c: add driver tuner [ 661.849538] kobject tuner: registering. parent: , set: drivers [ 661.849556] kobject_uevent [ 661.849567] fill_kobj_path: path = '/bus/i2c/drivers/tuner' [ 661.849603] i2c-core: driver [tuner] registered [ 661.849953] DEV: registering device: ID = 'dvb0' [ 661.849956] kobject dvb0: registering. parent: 0000:05:06.0, set: devices [ 661.849976] PM: Adding info for bttv-sub:dvb0 [ 661.849991] bus bttv-sub: add device dvb0 [ 661.850002] kobject_uevent [ 661.850013] fill_kobj_path: path = '/devices/pci0000:00/0000:00:09.0/0000:05:06.0/dvb0' [ 661.850043] bttv0: add subdevice "dvb0" [ 661.850048] bound device '0000:05:06.0' to driver 'bttv' [ 661.996816] bttv1: osprey eeprom: card=89 name=Osprey 210/220/230 serial=6166834 [ 661.996819] bttv1: using tuner=-1 [ 661.996822] bttv1: i2c: checking for TDA9887 @ 0x86... <7>i2c_adapter i2c-1: master_xfer[0] R, addr=0x43, len=1 [ 661.998953] not found [ 661.998966] CLASS: registering class device: ID = 'video0' [ 661.998969] kobject video0: registering. parent: video4linux, set: class_obj [ 661.998997] kobject_uevent [ 661.999008] fill_kobj_path: path = '/class/video4linux/video0' [ 661.999011] class_uevent - name = video0 [ 661.999014] fill_kobj_path: path = '/devices/pci0000:00/0000:00:09.0/0000:05:08.0/0000:06:04.0' [ 661.999046] bttv1: registered device video0 [ 661.999059] CLASS: registering class device: ID = 'vbi0' [ 661.999062] kobject vbi0: registering. parent: video4linux, set: class_obj [ 661.999084] kobject_uevent [ 661.999095] fill_kobj_path: path = '/class/video4linux/vbi0' [ 661.999098] class_uevent - name = vbi0 [ 661.999101] fill_kobj_path: path = '/devices/pci0000:00/0000:00:09.0/0000:05:08.0/0000:06:04.0' [ 661.999130] bttv1: registered device vbi0 [ 661.999156] bttv1: PLL: 28636363 => 35468950 . ok [ 662.015287] bound device '0000:06:04.0' to driver 'bttv' [ 662.015305] pci: Bound Device 0000:06:04.0 to Driver bttv Both Twinhan and Osprey boards initialized well. No oops (although -rc2 had several troubles with event devices on x86_64: mouse, keyboard and analog gameport didn't worked at the machine - I could access only via network connection). Cheers, Mauro.