Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753882AbYLZQKc (ORCPT ); Fri, 26 Dec 2008 11:10:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752084AbYLZQKY (ORCPT ); Fri, 26 Dec 2008 11:10:24 -0500 Received: from [84.77.67.98] ([84.77.67.98]:2743 "EHLO ventoso.org" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752456AbYLZQKX convert rfc822-to-8bit (ORCPT ); Fri, 26 Dec 2008 11:10:23 -0500 X-Greylist: delayed 1897 seconds by postgrey-1.27 at vger.kernel.org; Fri, 26 Dec 2008 11:10:23 EST Date: Fri, 26 Dec 2008 16:38:35 +0100 From: Luca Olivetti To: Mauro Carvalho Chehab Cc: Ingo Molnar , linux-dvb-maintainer@linuxtv.org, video4linux-list@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [GIT PATCHES for 2.6.28] V4L/DVB fixes Message-ID: <20081226163835.2595af50@noname> In-Reply-To: <20081226110833.7e61bb20@caramujo.chehab.org> References: <20081224121252.7560391e@caramujo.chehab.org> <20081225081907.GA4628@elte.hu> <20081225103050.GA553@elte.hu> <20081226110833.7e61bb20@caramujo.chehab.org> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.10.12; arm-unknown-linux-gnueabi) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4920 Lines: 113 El Fri, 26 Dec 2008 11:08:33 -0200 Mauro Carvalho Chehab escribi?: > Luca, > > Could you please verify this issue? No, I don't have 2.6.28, but I guess that maybe once usb_register is called the dvb-usb subsystem asynchronously (is that an smp system?) starts polling the remote before the rc_decode function pointer has been initialized. Could you try to initialize it to NULL before calling usb_register? Bye Luca > > Ingo, > What .config you used to get this error? > > Cheers, > Mauro. > > On Thu, 25 Dec 2008 11:30:50 +0100 > Ingo Molnar wrote: > > > i also needed the patch below. > > > > Ingo > > ---------------> > > From 62595544017bd8865adba84f7dd0796b5acc9794 Mon Sep 17 00:00:00 > > 2001 From: Ingo Molnar > > Date: Thu, 25 Dec 2008 11:27:22 +0100 > > Subject: [PATCH] dvb/usb: work around this crash for now: > > > > [ 8.585448] calling opera1_module_init+0x0/0x40 > > [ 8.592370] usbcore: registered new interface driver opera1 > > [ 8.597879] initcall opera1_module_init+0x0/0x40 returned 0 > > after 5 msecs [ 8.602341] calling > > af9005_usb_module_init+0x0/0xb0 [ 8.609143] usbcore: registered > > new interface driver dvb_usb_af9005 [ 8.613625] BUG: unable to > > handle kernel paging request at ff100000 [ 8.619858] IP: > > [] af9005_usb_module_init+0x92/0xb0 [ 8.619858] *pdpt > > = 0000000000c6b001 *pde = 0000000000000000 [ 8.623858] Oops: > > 0000 [#1] SMP [ 8.623858] > > [ 8.623858] Pid: 1, comm: swapper Not tainted > > (2.6.26-rc6-tip-00382-g5bf10cd-dirty #8770) [ 8.623858] EIP: > > 0060:[] EFLAGS: 00010286 CPU: 1 [ 8.623858] EIP is at > > af9005_usb_module_init+0x92/0xb0 [ 8.623858] EAX: ff100000 EBX: > > 00000000 ECX: 00000000 EDX: f6c55ee8 [ 8.623858] ESI: 00000000 > > EDI: 00000000 EBP: f6c55f60 ESP: f6c55f54 [ 8.623858] DS: 007b > > ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 8.623858] Process swapper > > (pid: 1, ti=f6c54000 task=f6c538a0 task.ti=f6c54000) [ 8.623858] > > Stack: 00000005 00000000 00000005 f6c55fe0 c0bef7f4 c0a2e531 > > 00000000 00000005 [ 8.623858] 00000000 f6c54000 00d25d95 > > 00000002 c0c50d8c c0c21a70 00000000 6f727200 [ 8.623858] > > 6f632072 2d206564 00203232 f6c53490 f6c55fac c0125568 f6c57fc0 > > c0103c66 [ 8.623858] Call Trace: [ 8.623858] [] ? > > kernel_init+0x1a4/0x2b0 [ 8.623858] [] ? > > af9005_usb_module_init+0x0/0xb0 [ 8.623858] [] ? > > schedule_tail+0x18/0x50 [ 8.623858] [] ? > > ret_from_fork+0x6/0x20 [ 8.623858] [] ? > > kernel_init+0x0/0x2b0 [ 8.623858] [] ? > > kernel_init+0x0/0x2b0 [ 8.623858] [] ? > > kernel_thread_helper+0x7/0x10 [ 8.623858] > > ======================= [ 8.623858] Code: c3 89 44 24 04 c7 04 > > 24 60 72 ae c0 e8 28 8e 50 ff 89 d8 83 c4 08 5b 5d c3 b8 00 00 10 > > ff 85 c0 74 c1 b8 00 00 10 ff 85 c0 74 b8 00 00 10 ff c7 05 b4 > > 96 b9 c0 00 00 10 ff a3 b8 96 b9 c0 eb [ 8.635859] EIP: > > [] af9005_usb_module_init+0x92/0xb0 SS:ESP 0068:f6c55f54 > > [ 8.635859] Kernel panic - not syncing: Fatal exception > > [ 8.635859] Pid: 1, comm: swapper Tainted: G D > > 2.6.26-rc6-tip-00382-g5bf10cd-dirty #8770 [ 8.635859] > > [] panic+0x4b/0x110 [ 8.635859] [] > > die+0x115/0x180 [ 8.635859] [] > > do_page_fault+0x2ac/0x880 [ 8.635859] [] ? > > sysfs_addrm_finish+0x1b/0x1c0 [ 8.635859] [] ? > > do_page_fault+0x0/0x880 [ 8.635859] [] > > error_code+0x72/0x80 [ 8.635859] [] ? > > af9005_usb_module_init+0x92/0xb0 [ 8.635859] [] > > kernel_init+0x1a4/0x2b0 [ 8.635859] [] ? > > af9005_usb_module_init+0x0/0xb0 [ 8.635859] [] ? > > schedule_tail+0x18/0x50 [ 8.635859] [] ? > > ret_from_fork+0x6/0x20 > > > > Signed-off-by: Ingo Molnar > > --- > > drivers/media/dvb/dvb-usb/Kconfig | 1 + > > 1 files changed, 1 insertions(+), 0 deletions(-) > > > > diff --git a/drivers/media/dvb/dvb-usb/Kconfig > > b/drivers/media/dvb/dvb-usb/Kconfig index 1d1b3c2..448d42b 100644 > > --- a/drivers/media/dvb/dvb-usb/Kconfig > > +++ b/drivers/media/dvb/dvb-usb/Kconfig > > @@ -236,6 +236,7 @@ config DVB_USB_OPERA1 > > config DVB_USB_AF9005 > > tristate "Afatech AF9005 DVB-T USB1.1 support" > > depends on DVB_USB && EXPERIMENTAL > > + depends on BROKEN > > select MEDIA_TUNER_MT2060 if !MEDIA_TUNER_CUSTOMIZE > > select MEDIA_TUNER_QT1010 if !MEDIA_TUNER_CUSTOMIZE > > help > > > > > Cheers, > Mauro -- 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/