Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752170AbZDGHdP (ORCPT ); Tue, 7 Apr 2009 03:33:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751551AbZDGHc4 (ORCPT ); Tue, 7 Apr 2009 03:32:56 -0400 Received: from vervifontaine.sonytel.be ([80.88.33.193]:56189 "EHLO pophost.sonytel.be" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751323AbZDGHcz (ORCPT ); Tue, 7 Apr 2009 03:32:55 -0400 Date: Tue, 7 Apr 2009 09:32:52 +0200 (CEST) From: Geert Uytterhoeven To: Andrew Morton cc: linux-media@vger.kernel.org, linux-dvb@linuxtv.org, Linux Kernel Development Subject: Re: USB DVB unplug: kernel BUG at kernel/module.c:912! In-Reply-To: <20090406235739.d9302e33.akpm@linux-foundation.org> Message-ID: References: <20090406235739.d9302e33.akpm@linux-foundation.org> User-Agent: Alpine 2.00 (LRH 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-15 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5748 Lines: 80 On Mon, 6 Apr 2009, Andrew Morton wrote: > On Tue, 31 Mar 2009 14:28:45 +0200 (CEST) Geert Uytterhoeven wrote: > > > When unplugging a Sony PlayTV USB DVB adaptor from a PS3, I get > > > > | kernel BUG at kernel/module.c:912! > > > > on 2.6.29-06608-g15f7176. > > Unplug Sony PlayTV USB: > > > > Mar 31 14:01:28 ps3 kernel: [ 1437.101593] usb 1-2.1: USB disconnect, address 6 > > Mar 31 14:01:28 ps3 kernel: [ 1437.133461] ------------[ cut here ]------------ > > Mar 31 14:01:28 ps3 kernel: [ 1437.137955] kernel BUG at kernel/module.c:912! > > Mar 31 14:01:28 ps3 kernel: [ 1437.142408] Oops: Exception in kernel mode, sig: 5 [#1] > > Mar 31 14:01:28 ps3 kernel: [ 1437.146533] SMP NR_CPUS=2 PS3 > > Mar 31 14:01:28 ps3 kernel: [ 1437.150560] Modules linked in: dvb_usb_dib0700 dib7000p dib3000mc dvb_usb dvb_core dib7000m dibx000_common dib0070 i2c_core nfsd exportfs dm_crypt dm_mod sg ps3disk ps3rom ps3flash ps3stor_lib ps3vram joydev evdev > > Mar 31 14:01:28 ps3 kernel: [ 1437.155317] NIP: c00000000008ae54 LR: c00000000008ae4c CTR: c00000000008ae20 > > Mar 31 14:01:28 ps3 kernel: [ 1437.159706] REGS: c000000006987410 TRAP: 0700 Tainted: G W (2.6.29-06608-g15f7176) > > Mar 31 14:01:28 ps3 kernel: [ 1437.164144] MSR: 8000000000028032 CR: 44004042 XER: 20000000 > > Mar 31 14:01:28 ps3 kernel: [ 1437.168636] TASK = c0000000069811c0[111] 'khubd' THREAD: c000000006984000 CPU: 0 > > Mar 31 14:01:28 ps3 kernel: [ 1437.168853] GPR00: c0000000005777f8 c000000006987690 c000000000639b20 0000000000000000 > > Mar 31 14:01:28 ps3 kernel: [ 1437.173362] GPR04: c0000000000d1504 d0000000029ced10 0000000000000000 c00000000065dc68 > > Mar 31 14:01:28 ps3 kernel: [ 1437.177894] GPR08: 0000000000000000 c0000000005777f8 d0000000028092f8 c0000000005777f8 > > Mar 31 14:01:28 ps3 kernel: [ 1437.182439] GPR12: d0000000029d53f0 c000000000664200 00000000000000e9 c000000006d71830 > > Mar 31 14:01:28 ps3 kernel: [ 1437.186985] GPR16: 00000000000003e8 0000000000000000 c000000006de9400 c000000006d71830 > > Mar 31 14:01:28 ps3 kernel: [ 1437.191559] GPR20: 0000000000000000 0000000000000000 c000000006cc6000 c000000006cc6000 > > Mar 31 14:01:28 ps3 kernel: [ 1437.196120] GPR24: 0000000000000001 c000000006cc63a0 c000000006bf90e8 c00000000122c800 > > Mar 31 14:01:28 ps3 kernel: [ 1437.200676] GPR28: 0000000000000001 c00000000312a000 d000000002b5c080 d0000000028092f8 > > Mar 31 14:01:28 ps3 kernel: [ 1437.209542] NIP [c00000000008ae54] .symbol_put_addr+0x34/0x64 > > Mar 31 14:01:28 ps3 kernel: [ 1437.214040] LR [c00000000008ae4c] .symbol_put_addr+0x2c/0x64 > > Mar 31 14:01:28 ps3 kernel: [ 1437.218494] Call Trace: > > Mar 31 14:01:28 ps3 kernel: [ 1437.222885] [c000000006987690] [0000000000000001] 0x1 (unreliable) > > Mar 31 14:01:28 ps3 kernel: [ 1437.227447] [c000000006987710] [d0000000029ce2e0] .dvb_frontend_detach+0x80/0x10c [dvb_core] > > Mar 31 14:01:28 ps3 kernel: [ 1437.232018] [c0000000069877a0] [d000000002b4f088] .dvb_usb_adapter_frontend_exit+0x30/0x4c [dvb_usb] > > Mar 31 14:01:28 ps3 kernel: [ 1437.236598] [c000000006987820] [d000000002b4e4ec] .dvb_usb_exit+0x3c/0xf0 [dvb_usb] > > Mar 31 14:01:28 ps3 kernel: [ 1437.241189] [c0000000069878c0] [d000000002b4e5ec] .dvb_usb_device_exit+0x4c/0x74 [dvb_usb] > > Mar 31 14:01:28 ps3 kernel: [ 1437.245784] [c000000006987940] [c000000000279ca0] .usb_unbind_interface+0x7c/0x138 > > Mar 31 14:01:28 ps3 kernel: [ 1437.250348] [c0000000069879e0] [c0000000002430e8] .__device_release_driver+0xb8/0x100 > > Mar 31 14:01:28 ps3 kernel: [ 1437.254936] [c000000006987a70] [c00000000024325c] .device_release_driver+0x30/0x54 > > Mar 31 14:01:28 ps3 kernel: [ 1437.259518] [c000000006987b00] [c0000000002423a4] .bus_remove_device+0xe4/0x124 > > Mar 31 14:01:28 ps3 kernel: [ 1437.264104] [c000000006987b90] [c00000000023ff98] .device_del+0x178/0x1f8 > > Mar 31 14:01:28 ps3 kernel: [ 1437.268631] [c000000006987c20] [c000000000276eb4] .usb_disable_device+0xb0/0x168 > > Mar 31 14:01:28 ps3 kernel: [ 1437.273175] [c000000006987cc0] [c000000000271630] .usb_disconnect+0xc0/0x158 > > Mar 31 14:01:28 ps3 kernel: [ 1437.277606] [c000000006987d70] [c00000000027260c] .hub_thread+0x538/0xf14 > > Mar 31 14:01:28 ps3 kernel: [ 1437.281894] [c000000006987f00] [c00000000006c298] .kthread+0x78/0xc4 > > Mar 31 14:01:28 ps3 kernel: [ 1437.286192] [c000000006987f90] [c0000000000209e8] .kernel_thread+0x54/0x70 > > Mar 31 14:01:28 ps3 kernel: [ 1437.290510] Instruction dump: > > Mar 31 14:01:28 ps3 kernel: [ 1437.294762] 7c0802a6 f8010010 7c7f1b78 f821ff81 4bfde4fd 60000000 2fa30000 409e0030 > > Mar 31 14:01:28 ps3 kernel: [ 1437.299233] 7fe3fb78 4bffc3b9 2fa30000 409e000c <0fe00000> 48000000 38210080 e8010010 > > Mar 31 14:01:28 ps3 kernel: [ 1437.304457] ---[ end trace d1da44b3213415b8 ]--- > > Is it a post-2.6.29 regression? The support for Sony PlayTV was added to the dib0700 driver after 2.6.29. But it also happened with another DVB-T USB stick that uses the same driver. I'll see if I can get ahold of the other one again and try on 2.6.29... With kind regards, Geert Uytterhoeven Software Architect Sony Techsoft Centre Europe The Corporate Village ? Da Vincilaan 7-D1 ? B-1935 Zaventem ? Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@sonycom.com Internet: http://www.sony-europe.com/ A division of Sony Europe (Belgium) N.V. VAT BE 0413.825.160 ? RPR Brussels Fortis ? BIC GEBABEBB ? IBAN BE41293037680010 -- 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/