From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.candelatech.com ([208.74.158.172]:46846 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752116Ab2J3DjH (ORCPT ); Mon, 29 Oct 2012 23:39:07 -0400 Received: from [50.54.136.152] (50-54-136-152.evrt.wa.frontiernet.net [50.54.136.152]) (authenticated bits=0) by ns3.lanforge.com (8.14.2/8.14.2) with ESMTP id q9U3d5Dh007465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 29 Oct 2012 20:39:05 -0700 Message-ID: <508F4BD9.3080206@candelatech.com> (sfid-20121030_043912_658376_38056A98) Date: Mon, 29 Oct 2012 20:39:05 -0700 From: Ben Greear MIME-Version: 1.0 To: "linux-wireless@vger.kernel.org" Subject: wireless splat in 3.5.7+ Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: We saw this (and many similar) when trying to bring up ~200 stations on a radio. Shortly after, the machine locked hard. Tainting comes from a network emulation module that was not in use (but was loaded). WARNING: at /home/greearb/git/linux-3.5.dev.y/net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x167/0x192 [mac80211]() Hardware name: To be filled by O.E.M. sta39: Failed check-sdata-in-driver check, flags: 0x0 Modules linked in: fuse 8021q garp stp llc lockd macvlan sunrpc wanlink(PO) pktgen f71882fg ath9k ath9k_common snd_hda_codec_realtek ath9k_hw snd_hda_intel coretemp ath hwmon snd_hda_codec mac80211 snd_hwdep snd_seq snd_seq_device kvm snd_pcm cfg80211 ppdev snd_page_alloc gpio_ich microcode e1000e snd_timer parport_pc serio_raw snd i2c_i801 lpc_ich pcspkr parport mfd_core uinput soundcore ipv6 i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: nf_nat] Pid: 29641, comm: iw Tainted: P O 3.5.7+ #26 Call Trace: [] warn_slowpath_common+0x80/0x98 [] warn_slowpath_fmt+0x41/0x43 [] ieee80211_bss_info_change_notify+0x167/0x192 [mac80211] [] ieee80211_ifa_changed+0xcf/0xe1 [mac80211] [] notifier_call_chain+0x32/0x5e [] __blocking_notifier_call_chain+0x4b/0x62 [] blocking_notifier_call_chain+0xf/0x11 [] __inet_del_ifa+0x190/0x22a [] inetdev_event+0x28f/0x403 [] ? fib_rules_event+0x23/0x13d [] notifier_call_chain+0x32/0x5e [] raw_notifier_call_chain+0xf/0x11 [] call_netdevice_notifiers+0x45/0x4a [] rollback_registered_many+0x167/0x23c [] unregister_netdevice_queue+0x94/0xd6 [] ieee80211_if_remove+0x98/0x9c [mac80211] [] ieee80211_del_iface+0x10/0x14 [mac80211] [] nl80211_del_interface+0x26/0x28 [cfg80211] [] genl_rcv_msg+0x22b/0x273 [] ? genl_rcv+0x28/0x28 [] netlink_rcv_skb+0x3e/0x8f [] genl_rcv+0x21/0x28 [] netlink_unicast+0xe4/0x16a [] netlink_sendmsg+0x23d/0x25b [] __sock_sendmsg_nosec+0x5f/0x6a [] __sock_sendmsg+0x3d/0x48 [] sock_sendmsg+0xa3/0xbc [] ? mem_cgroup_end_update_page_stat+0x1c/0x27 [] ? unlock_page+0x22/0x27 [] ? __do_fault+0x364/0x3a7 [] ? copy_from_user+0x9/0xb [] ? move_addr_to_kernel+0x2b/0x65 [] ? copy_from_user+0x9/0xb [] ? verify_iovec+0x4f/0xa3 [] __sys_sendmsg+0x1fe/0x280 [] ? handle_mm_fault+0x1c7/0x1e1 [] ? do_page_fault+0x2de/0x350 [] ? lg_local_unlock+0x28/0x45 [] ? mntput_no_expire+0x3f/0x138 [] ? mntput+0x25/0x27 [] sys_sendmsg+0x3d/0x5b [] system_call_fastpath+0x16/0x1b ---[ end trace cf48c0a49a51fabd ]--- IPv6: ADDRCONF(NETDEV_CHANGE): sta155: link becomes ready -- Ben Greear Candela Technologies Inc http://www.candelatech.com