Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263419AbUD2GFc (ORCPT ); Thu, 29 Apr 2004 02:05:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263544AbUD2GFc (ORCPT ); Thu, 29 Apr 2004 02:05:32 -0400 Received: from [194.95.168.2] ([194.95.168.2]:56784 "EHLO prosun.first.fraunhofer.de") by vger.kernel.org with ESMTP id S263419AbUD2GFZ (ORCPT ); Thu, 29 Apr 2004 02:05:25 -0400 Subject: 2.6.6-rc3 still oops on unplugging usb bluetooth bcm203x dongle From: Soeren Sonnenburg To: Linux Kernel Cc: linux-usb-devel@lists.sourceforge.net Content-Type: text/plain Message-Id: <1083218706.3942.5.camel@localhost> Mime-Version: 1.0 Date: Thu, 29 Apr 2004 08:05:09 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1996 Lines: 50 Hi... I still get: usb 2-1: USB disconnect, address 3 Oops: kernel access of bad area, sig: 11 [#1] NIP: C02134B4 LR: F205D414 SP: EFE87DD0 REGS: efe87d20 TRAP: 0600 Not tainted MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 DAR: 6B6B6BB7, DSISR: 00000120 TASK = effa4030[5] 'khubd' THREAD: efe86000Last syscall: -1 GPR00: FFFF0001 EFE87DD0 EFFA4030 EE77C828 6B6B6B6B 00000000 EB8EE83C 00000000 GPR08: 00001388 EF0EE858 00010C00 C0213480 82008022 00000000 00000000 00000000 GPR16: 00000000 00000000 00000000 00000000 00000000 00220000 00230000 00000000 GPR24: 00000000 C0400000 00000001 6B6B6B6B 6B6B6BB7 EF07B8A0 EE77C828 EE77C6FC NIP [c02134b4] class_device_del+0x34/0x140 LR [f205d414] hci_unregister_sysfs+0x14/0x24 [bluetooth] Call trace: [f205d414] hci_unregister_sysfs+0x14/0x24 [bluetooth] [f205876c] hci_unregister_dev+0x18/0xb0 [bluetooth] [f204cd94] hci_usb_disconnect+0x48/0x90 [hci_usb] [c0277a24] usb_unbind_interface+0x88/0x8c [c02125a4] device_release_driver+0x84/0x88 [c0212744] bus_remove_device+0x74/0xd0 [c0211120] device_del+0xa8/0x114 [c02111a4] device_unregister+0x18/0x30 [c027e248] usb_disable_device+0x9c/0xd8 [c0278768] usb_disconnect+0x9c/0x134 [c027ab14] hub_port_connect_change+0x294/0x298 [c027adec] hub_events+0x2d4/0x354 [c027aea8] hub_thread+0x3c/0xf0 [c00090b0] kernel_thread+0x44/0x60 Sometimes it helps to hciconfig hci0 down the bluetooth dongle + stop all programs + rmmod them... However also the rmmod hci_usb rfcomm bluetooth firmware_class bcm203x l2cap is very likely to cause the same oops... Yes, this is on powerpc but quite a number of people have the same issue on x86 (with 2.6.5 at least... and thats around the time this oops on unplugging appeared). Any ideas ? Soeren - 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/