Return-path: Received: from mail-lf0-f51.google.com ([209.85.215.51]:33505 "EHLO mail-lf0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755204AbcINHZK (ORCPT ); Wed, 14 Sep 2016 03:25:10 -0400 Received: by mail-lf0-f51.google.com with SMTP id h127so3647675lfh.0 for ; Wed, 14 Sep 2016 00:25:08 -0700 (PDT) Subject: Re: AMPDU stalls with brcmfmac4366b-pcie.bin triggering WARNINGs To: Hante Meuleman , Arend van Spriel , brcm80211-dev-list@broadcom.com References: <20160914054528.28717-1-zajec5@gmail.com> Cc: linux-wireless@vger.kernel.org From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= Message-ID: (sfid-20160914_092514_270659_DD3F8851) Date: Wed, 14 Sep 2016 09:25:05 +0200 MIME-Version: 1.0 In-Reply-To: <20160914054528.28717-1-zajec5@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 09/14/2016 07:45 AM, Rafał Miłecki wrote: > Even with the most recent brcmfmac code ppl keep seeing WARNINGs from > brcmf_netdev_wait_pend8021x [0]. > > Hante suggested using CONSOLE for debugging some firmware crash so I > decided to see I it could also help understanding WARNINGs. I believe it > did. > > First of all, I can't reproduce these problems reliably. One evening I > got WARNINGs one by one and I could work on my debugging patch easily. > Yesterday when I got my patch complete, it took me 10+ hours to get a > single WARNING. > > Anyway, it seems to me that sometimes AMPDU stalls in the firmware. It > seems firmware has some AMPDU watchdog that notices the problem and > kicks in. It prints some debugging info and starts cleaning up process. > > If brcmf_netdev_wait_pend8021x gets called shortly after that (I set > wpa_group_rekey=30 in hostapd to get brcmf_cfg80211_add_key called more > often) it results in a WARNING. Above log was from D-Link DIR-885L. I can also see WARNINGs on SmartRG SR-400ac with 2 x 43602a1. Unfortunately brcmfmac43602-pcie.ap.bin doesn't seem to have so many debugging messages so despite having CONSOLE enabled, I didn't get anything interesting :( Below you can find 4 logs that look pretty identical to me. At the end of e-mail there is a confirmation of CONSOLE working. [30256.622554] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b2ec80 brcmf_ifname(ifp):wlan0 [30258.179143] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c652ec80 brcmf_ifname(ifp):wlan0-1 [30258.402521] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c64e1c80 brcmf_ifname(ifp):wlan1-1 [30258.525317] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c64e2c80 brcmf_ifname(ifp):wlan1-2 [30258.539100] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c647c480 brcmf_ifname(ifp):wlan0-2 [30260.112015] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b2d480 brcmf_ifname(ifp):wlan1 [30261.071798] ------------[ cut here ]------------ [30261.076459] WARNING: CPU: 1 PID: 1505 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [30261.092493] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [30261.164362] CPU: 1 PID: 1505 Comm: hostapd Not tainted 4.4.19 #0 [30261.170342] Hardware name: BCM5301X [30261.173816] Backtrace: [30261.176284] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [30261.183813] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [30261.189496] [] (show_stack) from [] (dump_stack+0x84/0xa4) [30261.196687] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [30261.204738] r5:00000009 r4:00000000 [30261.208312] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [30261.217050] r8:c71b3148 r7:00000001 r6:c6505b3c r5:00000000 r4:c7b2d480 [30261.223791] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [30261.234206] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [30261.246746] r8:c71b3148 r7:bf1c8613 r6:c7b2d480 r5:c04903c8 r4:c71b3438 [30261.253477] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_add_key+0x2e0/0x3dc [brcmfmac]) [30261.265589] r7:00000000 r6:c7b2d480 r5:c71b3148 r4:00000004 [30261.271315] [] (brcmf_cfg80211_add_key [brcmfmac]) from [] (nl80211_new_key+0xfc/0x128 [cfg80211]) [30261.281955] r10:00000014 r9:c7a61c00 r8:c6505ca0 r7:c6a58000 r6:c7b2d000 r5:00000000 [30261.289781] r4:bf1ad460 [30261.292349] [] (nl80211_new_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [30261.301264] r8:c68ef900 r7:c656fc14 r6:bf170540 r5:bf1787d0 r4:00000000 [30261.307978] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [30261.315770] r10:c68ef900 r9:00000000 r8:c6505d84 r7:c646dc00 r6:c0286ce0 r5:c68ef900 [30261.323599] r4:c656fc00 [30261.326131] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [30261.333577] r7:c646dc00 r6:c68ef900 r5:c68ef900 r4:c04a42a0 [30261.339247] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [30261.346865] r5:00000048 r4:c7931c00 [30261.350443] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [30261.358667] r9:00000008 r8:00000000 r7:00000048 r6:c6505f4c r5:c646dc00 r4:00000000 [30261.366421] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [30261.374211] r10:00000000 r9:00000000 r8:00000000 r7:c756e900 r6:c6505e64 r5:00000000 [30261.382039] r4:c6505f4c [30261.384568] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [30261.392450] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [30261.400235] r10:00000000 r9:c6504000 r8:c00098c4 r7:00000128 r6:00000000 r5:be8ca7a0 [30261.408062] r4:c756e900 [30261.410593] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [30261.418119] r6:b6f371c8 r5:00000000 r4:00000000 [30261.422743] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [30261.430519] ---[ end trace 7622542e763ab584 ]--- [30261.435138] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c7b2d480 brcmf_ifname(ifp):wlan1 brcmf_get_pend_8021x_cnt(ifp):3 [30261.445963] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [30261.453335] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c68ef540 skb->dev:c7b2d000 skb->dev->name:wlan1 [30261.462690] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c68ef240 skb->dev:c7b2d000 skb->dev->name:wlan1 [30261.472048] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c68ef600 skb->dev:c7b2d000 skb->dev->name:wlan1 [30261.481438] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c68ef540 skb->dev:c7b2d000 skb->dev->name:wlan1 [30261.495608] brcmfmac: [brcmf_cfg80211_del_key -> __send_key_to_dongle] ifp:c7b2d480 brcmf_ifname(ifp):wlan1 [30262.451804] ------------[ cut here ]------------ [30262.456462] WARNING: CPU: 1 PID: 1505 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [30262.472486] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [30262.544371] CPU: 1 PID: 1505 Comm: hostapd Tainted: G W 4.4.19 #0 [30262.551559] Hardware name: BCM5301X [30262.555032] Backtrace: [30262.557500] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [30262.565030] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [30262.570722] [] (show_stack) from [] (dump_stack+0x84/0xa4) [30262.577920] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [30262.585971] r5:00000009 r4:00000000 [30262.589546] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [30262.598284] r8:c68ef540 r7:00000001 r6:c6505b74 r5:00000000 r4:c7b2d480 [30262.605024] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [30262.615440] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [30262.627979] r8:c68ef540 r7:bf1c85fc r6:c7b2d480 r5:c04903c8 r4:c71b32f0 [30262.634711] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_del_key+0xb0/0xf0 [brcmfmac]) [30262.646649] r7:c7b2d480 r6:00000002 r5:c71b3254 r4:c71b3000 [30262.652374] [] (brcmf_cfg80211_del_key [brcmfmac]) from [] (nl80211_del_key+0xf4/0x148 [cfg80211]) [30262.663014] r7:c6a58000 r6:c7b2d000 r5:c644b720 r4:bf1ad370 [30262.668718] [] (nl80211_del_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [30262.677634] r7:c644b714 r6:bf170554 r5:bf1787d0 r4:00000000 [30262.683301] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [30262.691095] r10:c68ef540 r9:00000000 r8:c6505d84 r7:c646dc00 r6:c0286ce0 r5:c68ef540 [30262.698922] r4:c644b700 [30262.701453] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [30262.708892] r7:c646dc00 r6:c68ef540 r5:c68ef540 r4:c04a42a0 [30262.714561] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [30262.722180] r5:00000030 r4:c7931c00 [30262.725758] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [30262.733974] r9:00000008 r8:00000000 r7:00000030 r6:c6505f4c r5:c646dc00 r4:00000000 [30262.741728] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [30262.749518] r10:00000000 r9:00000000 r8:00000000 r7:c756e900 r6:c6505e64 r5:00000000 [30262.757345] r4:c6505f4c [30262.759875] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [30262.767756] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [30262.775542] r10:00000000 r9:c6504000 r8:c00098c4 r7:00000128 r6:00000000 r5:be8ca770 [30262.783369] r4:c756e900 [30262.785901] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [30262.793427] r6:b6f371c8 r5:00000000 r4:00000000 [30262.798050] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [30262.805792] ---[ end trace 7622542e763ab585 ]--- [30262.810397] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c7b2d480 brcmf_ifname(ifp):wlan1 brcmf_get_pend_8021x_cnt(ifp):2 [30262.821229] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [30262.828606] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c68ef240 skb->dev:c7b2d000 skb->dev->name:wlan1 [30262.837962] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c68ef600 skb->dev:c7b2d000 skb->dev->name:wlan1 [30264.339034] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c68ef240 skb->dev:c7b2d000 skb->dev->name:wlan1 [30264.352306] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c68ef600 skb->dev:c7b2d000 skb->dev->name:wlan1 [ 2688.254245] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 2688.597156] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 2689.411719] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 2689.961683] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 2689.974174] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 [ 2692.133701] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2693.093493] ------------[ cut here ]------------ [ 2693.098153] WARNING: CPU: 1 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 2693.114191] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 2693.186072] CPU: 1 PID: 1202 Comm: hostapd Not tainted 4.4.19 #0 [ 2693.192051] Hardware name: BCM5301X [ 2693.195524] Backtrace: [ 2693.197993] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 2693.205520] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 2693.211206] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 2693.218401] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 2693.226446] r5:00000009 r4:00000000 [ 2693.230020] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 2693.238758] r8:c72f4148 r7:00000001 r6:c6475b3c r5:00000000 r4:c649bc80 [ 2693.245498] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 2693.255915] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 2693.268453] r8:c72f4148 r7:bf1c8613 r6:c649bc80 r5:c04903c8 r4:c72f4438 [ 2693.275185] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_add_key+0x2e0/0x3dc [brcmfmac]) [ 2693.287298] r7:00000000 r6:c649bc80 r5:c72f4148 r4:00000004 [ 2693.293021] [] (brcmf_cfg80211_add_key [brcmfmac]) from [] (nl80211_new_key+0xfc/0x128 [cfg80211]) [ 2693.303661] r10:00000014 r9:c7966800 r8:c6475ca0 r7:c715e000 r6:c649b800 r5:00000000 [ 2693.311489] r4:bf1ad460 [ 2693.314057] [] (nl80211_new_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 2693.322972] r8:c6bd2b40 r7:c785f014 r6:bf170540 r5:bf1787d0 r4:00000000 [ 2693.329686] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 2693.337478] r10:c6bd2b40 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c6bd2b40 [ 2693.345306] r4:c785f000 [ 2693.347838] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 2693.355277] r7:c68bb000 r6:c6bd2b40 r5:c6bd2b40 r4:c04a42a0 [ 2693.360945] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 2693.368565] r5:00000048 r4:c7931c00 [ 2693.372143] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 2693.380367] r9:00000008 r8:00000000 r7:00000048 r6:c6475f4c r5:c68bb000 r4:00000000 [ 2693.388120] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 2693.395910] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 2693.403738] r4:c6475f4c [ 2693.406267] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 2693.414148] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 2693.421935] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf37a0 [ 2693.429762] r4:c7503500 [ 2693.432292] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 2693.439820] r6:b6f201c8 r5:00000000 r4:00000000 [ 2693.444442] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 2693.452191] ---[ end trace b29225cb54365624 ]--- [ 2693.456815] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):1 [ 2693.467821] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 2693.475197] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6bd2e40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2693.486107] brcmfmac: [brcmf_cfg80211_del_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2694.443471] ------------[ cut here ]------------ [ 2694.448127] WARNING: CPU: 1 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 2694.464159] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 2694.536044] CPU: 1 PID: 1202 Comm: hostapd Tainted: G W 4.4.19 #0 [ 2694.543235] Hardware name: BCM5301X [ 2694.546708] Backtrace: [ 2694.549175] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 2694.556704] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 2694.562388] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 2694.569577] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 2694.577621] r5:00000009 r4:00000000 [ 2694.581195] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 2694.589932] r8:c6bd2b40 r7:00000001 r6:c6475b74 r5:00000000 r4:c649bc80 [ 2694.596677] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 2694.607089] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 2694.619629] r8:c6bd2b40 r7:bf1c85fc r6:c649bc80 r5:c04903c8 r4:c72f42f0 [ 2694.626359] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_del_key+0xb0/0xf0 [brcmfmac]) [ 2694.638291] r7:c649bc80 r6:00000002 r5:c72f4254 r4:c72f4000 [ 2694.644015] [] (brcmf_cfg80211_del_key [brcmfmac]) from [] (nl80211_del_key+0xf4/0x148 [cfg80211]) [ 2694.654655] r7:c715e000 r6:c649b800 r5:c68eb520 r4:bf1ad370 [ 2694.660360] [] (nl80211_del_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 2694.669273] r7:c68eb514 r6:bf170554 r5:bf1787d0 r4:00000000 [ 2694.674942] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 2694.682735] r10:c6bd2b40 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c6bd2b40 [ 2694.690563] r4:c68eb500 [ 2694.693094] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 2694.700533] r7:c68bb000 r6:c6bd2b40 r5:c6bd2b40 r4:c04a42a0 [ 2694.706202] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 2694.713821] r5:00000030 r4:c7931c00 [ 2694.717399] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 2694.725615] r9:00000008 r8:00000000 r7:00000030 r6:c6475f4c r5:c68bb000 r4:00000000 [ 2694.733369] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 2694.741158] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 2694.748986] r4:c6475f4c [ 2694.751516] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 2694.759397] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 2694.767182] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf3770 [ 2694.775010] r4:c7503500 [ 2694.777541] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 2694.785068] r6:b6f201c8 r5:00000000 r4:00000000 [ 2694.789691] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 2694.797445] ---[ end trace b29225cb54365625 ]--- [ 2694.802054] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):1 [ 2694.813060] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 2694.820436] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6bd2e40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2696.497370] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c6bd2e40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2715.160649] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2718.274307] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 2718.607701] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 2718.881713] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2719.431788] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 2719.981819] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 2719.994262] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 [ 2928.414290] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 2928.679474] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 2929.564278] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 2930.151747] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 [ 2930.162258] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 2932.211271] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2933.171045] ------------[ cut here ]------------ [ 2933.175701] WARNING: CPU: 0 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 2933.191731] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 2933.263627] CPU: 0 PID: 1202 Comm: hostapd Tainted: G W 4.4.19 #0 [ 2933.270814] Hardware name: BCM5301X [ 2933.274288] Backtrace: [ 2933.276756] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 2933.284285] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 2933.289969] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 2933.297158] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 2933.305210] r5:00000009 r4:00000000 [ 2933.308784] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 2933.317521] r8:c72f4148 r7:00000001 r6:c6475b3c r5:00000000 r4:c649bc80 [ 2933.324263] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 2933.334677] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 2933.347218] r8:c72f4148 r7:bf1c8613 r6:c649bc80 r5:c04903c8 r4:c72f4438 [ 2933.353949] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_add_key+0x2e0/0x3dc [brcmfmac]) [ 2933.366061] r7:00000000 r6:c649bc80 r5:c72f4148 r4:00000004 [ 2933.371785] [] (brcmf_cfg80211_add_key [brcmfmac]) from [] (nl80211_new_key+0xfc/0x128 [cfg80211]) [ 2933.382426] r10:00000014 r9:c7966800 r8:c6475ca0 r7:c715e000 r6:c649b800 r5:00000000 [ 2933.390253] r4:bf1ad460 [ 2933.392821] [] (nl80211_new_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 2933.401737] r8:c6abd540 r7:c653f214 r6:bf170540 r5:bf1787d0 r4:00000000 [ 2933.408451] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 2933.416243] r10:c6abd540 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c6abd540 [ 2933.424070] r4:c653f200 [ 2933.426602] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 2933.434041] r7:c68bb000 r6:c6abd540 r5:c6abd540 r4:c04a42a0 [ 2933.439708] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 2933.447321] r5:00000048 r4:c7931c00 [ 2933.450898] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 2933.459123] r9:00000008 r8:00000000 r7:00000048 r6:c6475f4c r5:c68bb000 r4:00000000 [ 2933.466877] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 2933.474666] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 2933.482494] r4:c6475f4c [ 2933.485022] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 2933.492905] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 2933.500690] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf37a0 [ 2933.508518] r4:c7503500 [ 2933.511048] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 2933.518574] r6:b6f201c8 r5:00000000 r4:00000000 [ 2933.523199] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 2933.530975] ---[ end trace b29225cb54365626 ]--- [ 2933.535595] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):2 [ 2933.546602] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 2933.553984] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c7bcb300 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2933.563523] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c7bcb240 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2933.574411] brcmfmac: [brcmf_cfg80211_del_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2934.531066] ------------[ cut here ]------------ [ 2934.535734] WARNING: CPU: 0 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 2934.551769] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 2934.623666] CPU: 0 PID: 1202 Comm: hostapd Tainted: G W 4.4.19 #0 [ 2934.630855] Hardware name: BCM5301X [ 2934.634328] Backtrace: [ 2934.636794] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 2934.644324] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 2934.650008] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 2934.657197] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 2934.665241] r5:00000009 r4:00000000 [ 2934.668814] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 2934.677552] r8:c709be40 r7:00000001 r6:c6475b74 r5:00000000 r4:c649bc80 [ 2934.684294] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 2934.694708] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 2934.707248] r8:c709be40 r7:bf1c85fc r6:c649bc80 r5:c04903c8 r4:c72f42f0 [ 2934.713981] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_del_key+0xb0/0xf0 [brcmfmac]) [ 2934.725919] r7:c649bc80 r6:00000002 r5:c72f4254 r4:c72f4000 [ 2934.731644] [] (brcmf_cfg80211_del_key [brcmfmac]) from [] (nl80211_del_key+0xf4/0x148 [cfg80211]) [ 2934.742284] r7:c715e000 r6:c649b800 r5:c6906720 r4:bf1ad370 [ 2934.747987] [] (nl80211_del_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 2934.756903] r7:c6906714 r6:bf170554 r5:bf1787d0 r4:00000000 [ 2934.762572] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 2934.770364] r10:c709be40 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c709be40 [ 2934.778192] r4:c6906700 [ 2934.780723] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 2934.788171] r7:c68bb000 r6:c709be40 r5:c709be40 r4:c04a42a0 [ 2934.793838] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 2934.801450] r5:00000030 r4:c7931c00 [ 2934.805028] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 2934.813253] r9:00000008 r8:00000000 r7:00000030 r6:c6475f4c r5:c68bb000 r4:00000000 [ 2934.821006] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 2934.828795] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 2934.836624] r4:c6475f4c [ 2934.839153] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 2934.847034] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 2934.854820] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf3770 [ 2934.862648] r4:c7503500 [ 2934.865179] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 2934.872704] r6:b6f201c8 r5:00000000 r4:00000000 [ 2934.877328] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 2934.885107] ---[ end trace b29225cb54365627 ]--- [ 2934.889718] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):2 [ 2934.900737] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 2934.908123] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c7bcb300 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2934.917659] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c7bcb240 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2934.927268] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c7bcb300 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2934.940547] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c7bcb240 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 2958.431826] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 2958.689224] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 2958.983312] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 2959.584290] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 2960.174354] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 2960.185643] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 [ 3198.584369] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 3198.759755] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 3199.734358] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 3200.374309] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 3200.384905] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 [ 3202.291309] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 3203.251121] ------------[ cut here ]------------ [ 3203.255787] WARNING: CPU: 0 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 3203.271827] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 3203.343719] CPU: 0 PID: 1202 Comm: hostapd Tainted: G W 4.4.19 #0 [ 3203.350908] Hardware name: BCM5301X [ 3203.354381] Backtrace: [ 3203.356849] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 3203.364378] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 3203.370062] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 3203.377259] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 3203.385304] r5:00000009 r4:00000000 [ 3203.388877] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 3203.397614] r8:c72f40a4 r7:00000001 r6:c6475b3c r5:00000000 r4:c649bc80 [ 3203.404355] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 3203.414771] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 3203.427311] r8:c72f40a4 r7:bf1c8613 r6:c649bc80 r5:c04903c8 r4:c72f4394 [ 3203.434043] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_add_key+0x2e0/0x3dc [brcmfmac]) [ 3203.446154] r7:00000000 r6:c649bc80 r5:c72f40a4 r4:00000004 [ 3203.451877] [] (brcmf_cfg80211_add_key [brcmfmac]) from [] (nl80211_new_key+0xfc/0x128 [cfg80211]) [ 3203.462519] r10:00000014 r9:c7966800 r8:c6475ca0 r7:c715e000 r6:c649b800 r5:00000000 [ 3203.470346] r4:bf1ad460 [ 3203.472915] [] (nl80211_new_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 3203.481829] r8:c6901300 r7:c653f614 r6:bf170540 r5:bf1787d0 r4:00000000 [ 3203.488544] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 3203.496336] r10:c6901300 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c6901300 [ 3203.504163] r4:c653f600 [ 3203.506695] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 3203.514142] r7:c68bb000 r6:c6901300 r5:c6901300 r4:c04a42a0 [ 3203.519810] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 3203.527423] r5:00000048 r4:c7931c00 [ 3203.531000] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 3203.539224] r9:00000008 r8:00000000 r7:00000048 r6:c6475f4c r5:c68bb000 r4:00000000 [ 3203.546978] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 3203.554768] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 3203.562596] r4:c6475f4c [ 3203.565125] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 3203.573006] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 3203.580791] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf37a0 [ 3203.588619] r4:c7503500 [ 3203.591150] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 3203.598676] r6:b6f201c8 r5:00000000 r4:00000000 [ 3203.603300] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 3203.611046] ---[ end trace b29225cb54365628 ]--- [ 3203.615668] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):3 [ 3203.626670] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 3203.634050] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901180 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3203.643591] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901f00 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3203.653126] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901b40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3203.666634] brcmfmac: [brcmf_cfg80211_del_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 3204.621117] ------------[ cut here ]------------ [ 3204.625777] WARNING: CPU: 0 PID: 1202 at compat-wireless-2016-06-20/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c:1219 brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]() [ 3204.641806] Modules linked in: pppoe ppp_async iptable_nat brcmfmac pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_id xt_conntrack xt_commed [ 3204.713721] CPU: 0 PID: 1202 Comm: hostapd Tainted: G W 4.4.19 #0 [ 3204.720908] Hardware name: BCM5301X [ 3204.724374] Backtrace: [ 3204.726840] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 3204.734370] r7:000004c3 r6:bf1d0e9c r5:60000013 r4:00000000 [ 3204.740054] [] (show_stack) from [] (dump_stack+0x84/0xa4) [ 3204.747243] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xb8) [ 3204.755287] r5:00000009 r4:00000000 [ 3204.758861] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x24/0x2c) [ 3204.767600] r8:c6709b40 r7:00000001 r6:c6475b74 r5:00000000 r4:c649bc80 [ 3204.774337] [] (warn_slowpath_null) from [] (brcmf_netdev_wait_pend8021x+0xbc/0x184 [brcmfmac]) [ 3204.784755] [] (brcmf_netdev_wait_pend8021x [brcmfmac]) from [] (brcmf_cfg80211_sched_scan_start+0x460/0x6c0 [brcmfmac]) [ 3204.797295] r8:c6709b40 r7:bf1c85fc r6:c649bc80 r5:c04903c8 r4:c72f42f0 [ 3204.804026] [] (brcmf_cfg80211_sched_scan_start [brcmfmac]) from [] (brcmf_cfg80211_del_key+0xb0/0xf0 [brcmfmac]) [ 3204.815966] r7:c649bc80 r6:00000002 r5:c72f4254 r4:c72f4000 [ 3204.821689] [] (brcmf_cfg80211_del_key [brcmfmac]) from [] (nl80211_del_key+0xf4/0x148 [cfg80211]) [ 3204.832330] r7:c715e000 r6:c649b800 r5:c6906e20 r4:bf1ad370 [ 3204.838033] [] (nl80211_del_key [cfg80211]) from [] (genl_rcv_msg+0x260/0x2e4) [ 3204.846949] r7:c6906e14 r6:bf170554 r5:bf1787d0 r4:00000000 [ 3204.852618] [] (genl_rcv_msg) from [] (netlink_rcv_skb+0x60/0xbc) [ 3204.860410] r10:c6709b40 r9:00000000 r8:c6475d84 r7:c68bb000 r6:c0286ce0 r5:c6709b40 [ 3204.868238] r4:c6906e00 [ 3204.870770] [] (netlink_rcv_skb) from [] (genl_rcv+0x28/0x3c) [ 3204.878217] r7:c68bb000 r6:c6709b40 r5:c6709b40 r4:c04a42a0 [ 3204.883886] [] (genl_rcv) from [] (netlink_unicast+0x138/0x1f4) [ 3204.891505] r5:00000030 r4:c7931c00 [ 3204.895083] [] (netlink_unicast) from [] (netlink_sendmsg+0x300/0x320) [ 3204.903307] r9:00000008 r8:00000000 r7:00000030 r6:c6475f4c r5:c68bb000 r4:00000000 [ 3204.911061] [] (netlink_sendmsg) from [] (sock_sendmsg+0x1c/0x2c) [ 3204.918851] r10:00000000 r9:00000000 r8:00000000 r7:c7503500 r6:c6475e64 r5:00000000 [ 3204.926678] r4:c6475f4c [ 3204.929208] [] (sock_sendmsg) from [] (___sys_sendmsg+0x198/0x228) [ 3204.937088] [] (___sys_sendmsg) from [] (__sys_sendmsg+0x44/0x68) [ 3204.944874] r10:00000000 r9:c6474000 r8:c00098c4 r7:00000128 r6:00000000 r5:beaf3770 [ 3204.952702] r4:c7503500 [ 3204.955233] [] (__sys_sendmsg) from [] (SyS_sendmsg+0x10/0x14) [ 3204.962760] r6:b6f201c8 r5:00000000 r4:00000000 [ 3204.967382] [] (SyS_sendmsg) from [] (ret_fast_syscall+0x0/0x3c) [ 3204.975127] ---[ end trace b29225cb54365629 ]--- [ 3204.979728] brcmfmac: [brcmf_netdev_wait_pend8021x] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 brcmf_get_pend_8021x_cnt(ifp):3 [ 3204.990733] brcmfmac: [brcmf_netdev_wait_pend8021x] List of pending 802.1x skbs: [ 3204.998108] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901180 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3205.007650] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901f00 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3205.017190] brcmfmac: [brcmf_netdev_wait_pend8021x] skb:c6901b40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3205.026823] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c6901180 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3205.040104] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c6901f00 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3205.053367] brcmfmac: [brcmf_msgbuf_process_txstatus -> __brcmf_txfinalize] Finally finalizing skb:c6901b40 skb->dev:c649b800 skb->dev->name:wlan1-1 [ 3228.604387] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719d480 brcmf_ifname(ifp):wlan1 [ 3228.769758] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c719a480 brcmf_ifname(ifp):wlan0 [ 3229.737659] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c649bc80 brcmf_ifname(ifp):wlan1-1 [ 3229.751855] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7ab4480 brcmf_ifname(ifp):wlan0-1 [ 3230.401808] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c7b1ec80 brcmf_ifname(ifp):wlan0-2 [ 3230.412403] brcmfmac: [brcmf_cfg80211_add_key -> __send_key_to_dongle] ifp:c6532c80 brcmf_ifname(ifp):wlan1-2 I'm pretty sure I have CONSOLE working as restarting wifi gives me some messages: [ 3604.964790] brcmfmac: CONSOLE: 003590.895 wl0: wlc_enable_probe_req: state down, deferring setting of host flags [ 3607.429608] brcmfmac: CONSOLE: 003595.110 wl0: wlc_enable_probe_req: state down, deferring setting of host flags [ 3609.430295] brcmfmac: CONSOLE: 003595.359 wl0: bc/mc deauth_reason on STA BSS? [ 3609.623067] brcmfmac: CONSOLE: 003595.551 wl0: wlc_enable_probe_req: state down, deferring setting of host flags [ 3609.739680] brcmfmac: CONSOLE: 003595.587 wl0: wlc_enable_probe_req: state down, deferring setting of host flags