From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758049Ab1DJW7h (ORCPT ); Sun, 10 Apr 2011 18:59:37 -0400 Received: from mail1.mail-ng.de ([79.140.41.65]:41403 "EHLO mail1.mail-ng.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757895Ab1DJW7f (ORCPT ); Sun, 10 Apr 2011 18:59:35 -0400 X-Greylist: delayed 444 seconds by postgrey-1.27 at vger.kernel.org; Sun, 10 Apr 2011 18:59:35 EDT Date: Mon, 11 Apr 2011 00:52:32 +0200 From: Lasse Lindner To: linux-kernel@vger.kernel.org Subject: dvb-t: crash with smsmdtv/smsdvb (2.6.38.2) Message-ID: <20110411005232.24408178@ws> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, this happens on 2.6.38.2 (I had the problem in .37 too, therefore I upgraded) on an ARM machine (Guruplug ServerPlus) with my USB DVB-T Stick from Hauppauge ("WinTV Ministick") in use with the corresponding smsmdtv and smsdvb modules. The DVB-T Stick is 24/7 in use by vdr (http://www.tvdr.de). I get this crash only "every now and then", like, a couple of hours or a couple of days (but it comes, for sure). So I can only reproduce it by patience. dmesg output: -------------------------------------------------------------------------------------------------------------- [...] Unable to handle kernel paging request at virtual address e1682000 pgd = df3fc000 [e1682000] *pgd=1f22e811, *pte=00000000, *ppte=00000000 Internal error: Oops: 7 [#1] last sysfs file: /sys/devices/platform/orion-ehci.0/usb1/1-1/1-1.1/bcdDevice Modules linked in: rfcomm l2cap xt_tcpudp iptable_filter ipt_addrtype ip_tables x_tables smsdvb dvb_core ir_lirc_codec smsusb lirc_dev smsmdtv rc_core pl2303 usbserial usb_storage btmrvl_sdio libertas_sdio btmrvl libertas bluetooth sg ehci_hcd CPU: 0 Not tainted (2.6.38.2 #1) PC is at memcpy+0x188/0x3a4 LR is at 0xd95d0430 pc : [] lr : [] psr: 20000013 sp : dbd73e90 ip : 7275626d fp : dbd73eb0 r10: e1681f14 r9 : 61482073 r8 : 614405f9 r7 : 00726567 r6 : 00ff4e57 r5 : 01003000 r4 : 00450270 r3 : 00d95d04 r2 : 00000100 r1 : e1681ff4 r0 : 42f78e60 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 0005397f Table: 1f3fc000 DAC: 00000015 Process vdr (pid: 5708, stack limit = 0xdbd72270) Stack: (0xdbd73e90 to 0xdbd74000) 3e80: 42f78d93 dbd72000 0000026d 00000000 3ea0: dbd73eb4 42f78d93 000004fc c01e137c ddcd0340 dbd7f5e0 000004fc e131c194 3ec0: 42f78d93 000004fc 000004fc dbd72000 dbd73f10 000004fc 00000000 bf0c06d0 3ee0: e131c194 e131c194 42f78d93 000004fc dbd73f04 bf0b7424 e131c1a8 00000800 3f00: 00000d28 db469740 df2fd2d4 df2fd318 00000013 df2fd2d4 0000c089 e131c140 3f20: 00000003 42f78d93 dcd56300 00000ffd e131c1b0 00000000 42f79dbc bf0b75bc 3f40: 00001000 dcd56300 42f78d90 dbd73f80 00001000 dbd72000 00000000 c009dbf4 3f60: dcd56300 42f78d90 dcd56300 42f78d90 00000000 00000000 00001000 c009dd08 3f80: 00000000 00000000 00001000 00000001 00000005 00001000 42f78d90 00000003 3fa0: c0029c04 c0029a80 00000005 00001000 00000005 42f78d90 00001000 00000005 3fc0: 00000005 00001000 42f78d90 00000003 42f78d20 00000012 42f79d90 42f79dbc 3fe0: 00000000 42f78cf8 400358cc 40036034 80000010 00000005 1fffe831 1fffec31 Code: f5d1f07c e8b100f0 e1a0342e e2522020 (e8b15300) ---[ end trace 27b9f433ce7b3d20 ]---