From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from emita2.mittwald.de ([85.199.129.253]:49635 "EHLO emita2.mittwald.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753948AbZKEPJ0 (ORCPT ); Thu, 5 Nov 2009 10:09:26 -0500 Received: from mx51.mymxserver.com (mail5101.mittwald.de [172.16.51.1]) by emita2.mittwald.de (Postfix) with ESMTP id 598355FD3C1 for ; Thu, 5 Nov 2009 15:59:36 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by localhost.mx51.mymxserver.com (Postfix) with ESMTP id 776D2148011 for ; Thu, 5 Nov 2009 15:59:29 +0100 (CET) Received: from mx51.mymxserver.com ([127.0.0.1]) by localhost (mx51.mymxserver.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Pr28YWNzoAj3 for ; Thu, 5 Nov 2009 15:59:29 +0100 (CET) Received: from lin01.mn-solutions.de (pD95FA34E.dip0.t-ipconnect.de [217.95.163.78]) by mx51.mymxserver.com (Postfix) with ESMTP id 731FD14800C for ; Thu, 5 Nov 2009 15:59:23 +0100 (CET) Received: from mnz66.mn-solutions.de (mnz66.mn-solutions.de [192.168.233.66]) by lin01.mn-solutions.de (Postfix) with SMTP id 8DD6F1E004F for ; Thu, 5 Nov 2009 15:59:16 +0100 (CET) Date: Thu, 05 Nov 2009 15:59:16 +0100 Subject: BUG: oops when "rmmod ipw2200" From: Holger Schurig To: linux-wireless@vger.kernel.org Sender: linux-wireless-owner@vger.kernel.org List-ID: Message-Id: This happened on wireless-testing v2.6.32-rc6-41575-g5e68bfb. I modprobed ipw2200, put it into monitor mode, used tshark a while to monitor, then I stopped tshark, "ifconfig eth2 down" and finally "rmmod ipw2200", and voila: [ 917.189620] ------------[ cut here ]------------ [ 917.189717] kernel BUG at net/wireless/core.c:543! [ 917.189805] invalid opcode: 0000 [#1] PREEMPT SMP [ 917.190002] last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:0d.0/firmware/0000:02:0d.0/loading [ 917.190136] Modules linked in: lib80211_crypt_wep ipw2200(-) libipw lib80211 ath5k mac80211 ath cfg80211 psmouse uhci_hcd [ 917.190680] [ 917.190759] Pid: 1763, comm: rmmod Not tainted (2.6.32-rc6-wl #26) Amilo M1425 [ 917.190886] EIP: 0060:[] EFLAGS: 00010202 CPU: 0 [ 917.190992] EIP is at wiphy_unregister+0xd3/0x175 [cfg80211] [ 917.191083] EAX: f601d4c4 EBX: 00000000 ECX: 00000000 EDX: f79e8600 [ 917.191176] ESI: f601d400 EDI: f95b4350 EBP: f6009eb4 ESP: f6009e8c [ 917.191269] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 917.191360] Process rmmod (pid: 1763, ti=f6008000 task=f79e8130 task.ti=f6008000) [ 917.191486] Stack: [ 917.191562] f601d5a0 f601d484 f6460e98 f6009ea0 c01407ee f6009eb8 00000246 f64604c0 [ 917.191916] <0> f6460e5c f95b4350 f6009ec0 f94fd030 f6460e98 f6009edc f95a9d4f f787bc00 [ 917.192100] <0> f787bc58 f787bc00 f95b4350 f95b4350 f6009ee8 c0207fca f787bc58 f6009ef8 [ 917.192100] Call Trace: [ 917.192100] [] ? trace_hardirqs_on+0xb/0xd [ 917.192100] [] ? unregister_ieee80211+0xe/0x27 [libipw] [ 917.192100] [] ? ipw_pci_remove+0x59/0x227 [ipw2200] [ 917.192100] [] ? pci_device_remove+0x19/0x39 [ 917.192100] [] ? __device_release_driver+0x59/0x9d [ 917.192100] [] ? driver_detach+0x67/0x85 [ 917.192100] [] ? bus_remove_driver+0x69/0x85 [ 917.192100] [] ? driver_unregister+0x4d/0x54 [ 917.192100] [] ? pci_unregister_driver+0x28/0x71 [ 917.192100] [] ? ipw_exit+0x1c/0x1e [ipw2200] [ 917.192100] [] ? sys_delete_module+0x192/0x1ef [ 917.192100] [] ? remove_vma+0x52/0x58 [ 917.192100] [] ? sysenter_exit+0xf/0x18 [ 917.192100] [] ? sysenter_do_call+0x12/0x36 [ 917.192100] Code: 74 07 e8 81 bc 8c c7 eb c8 8d 55 e0 89 f8 e8 d6 6d 66 c7 8b 45 dc 31 d2 e8 81 cc 8c c7 8d 86 c4 00 00 00 39 86 c4 00 00 00 74 04 <0f> 0b eb fe 8b 45 dc 8d 5e 0c e8 5a cc 8c c7 8b 86 94 03 00 00 [ 917.192100] EIP: [] wiphy_unregister+0xd3/0x175 [cfg80211] SS:ESP 0068:f6009e8c [ 917.203718] ---[ end trace bcaaf449945a5100 ]--- -- http://www.holgerschurig.de