Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:58934 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892Ab1CFIrJ convert rfc822-to-8bit (ORCPT ); Sun, 6 Mar 2011 03:47:09 -0500 MIME-Version: 1.0 In-Reply-To: <20110303135942.GA8969@tuxdriver.com> References: <20110303135942.GA8969@tuxdriver.com> Date: Sun, 6 Mar 2011 00:47:05 -0800 Message-ID: Subject: Re: WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 ath_stoprecv+0xc8/0xda [ath9k]() From: Justin Mattock To: "John W. Linville" Cc: linux-wireless@vger.kernel.org, Linux Kernel Mailing List , ath9k-devel@atheros.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Mar 3, 2011 at 5:59 AM, John W. Linville wrote: > On Wed, Mar 02, 2011 at 09:47:43PM -0800, Justin Mattock wrote: >> not sure what this is..(below) >> >> >> [ ? 33.951046] CE: hpet increased min_delta_ns to 20113 nsec >> [ ? 35.567319] EXT4-fs (sda3): re-mounted. Opts: >> errors=panic,user_xattr,debug,acl,commit=600 >> [ ? 36.350144] wlan0: authenticate with 00:0b:86:32:f8:60 (try 1) >> [ ? 36.352284] wlan0: authenticated >> [ ? 36.352396] wlan0: associate with 00:0b:86:32:f8:60 (try 1) >> [ ? 36.356854] wlan0: RX AssocResp from 00:0b:86:32:f8:60 (capab=0x421 >> status=0 aid=2) >> [ ? 36.356862] wlan0: associated >> [ ? 41.370318] ath: DMA failed to stop in 10 ms AR_CR=0x00000024 >> AR_DIAG_SW=0x42000020 >> [ ? 41.370324] ath: Could not stop RX, we could be confusing the DMA >> engine when we start RX up >> [ ? 41.370328] ------------[ cut here ]------------ >> [ ? 41.370345] WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 >> ath_stoprecv+0xc8/0xda [ath9k]() >> [ ? 41.370349] Hardware name: MacBookPro2,2 >> [ ? 41.370351] Modules linked in: hidp xfrm4_mode_transport xcbc >> rmd160 sha512_generic rfcomm sco bnep l2cap ipt_REJECT xt_tcpudp >> ipt_LOG iptable_nat nf_nat xt_state nf_conntrack_ftp nf_conntrack_ipv4 >> nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables x_tables btusb >> bluetooth evdev psmouse thermal fan container button ac battery video >> ath9k ath9k_common ath9k_hw ath ttm drm aes_x86_64 lzo zlib ipcomp >> xfrm_ipcomp crypto_null sha256_generic cbc des_generic cast5 blowfish >> serpent camellia twofish_generic twofish_x86_64 twofish_common ctr ah4 >> esp4 authenc firewire_ohci firewire_core uhci_hcd ehci_hcd coretemp >> acpi_cpufreq processor mperf appletouch applesmc >> [ ? 41.370430] Pid: 766, comm: kworker/u:4 Not tainted >> 2.6.38-rc6-00116-g2821f46 #5 >> [ ? 41.370434] Call Trace: >> [ ? 41.370444] ?[] ? warn_slowpath_common+0x80/0x98 >> [ ? 41.370450] ?[] ? warn_slowpath_null+0x15/0x17 >> [ ? 41.370458] ?[] ? ath_stoprecv+0xc8/0xda [ath9k] >> [ ? 41.370467] ?[] ? ath_set_channel+0xb0/0x217 [ath9k] >> [ ? 41.370475] ?[] ? ath9k_config+0x3c0/0x4c3 [ath9k] >> [ ? 41.370482] ?[] ? ieee80211_hw_config+0x120/0x129 >> [ ? 41.370487] ?[] ? ieee80211_scan_work+0x2f8/0x496 >> [ ? 41.370495] ?[] ? >> ath_tx_complete_poll_work+0xf3/0x102 [ath9k] >> [ ? 41.370501] ?[] ? ieee80211_scan_work+0x0/0x496 >> [ ? 41.370506] ?[] ? process_one_work+0x266/0x3d7 >> [ ? 41.370511] ?[] ? worker_thread+0x1d6/0x350 >> [ ? 41.370515] ?[] ? worker_thread+0x0/0x350 >> [ ? 41.370521] ?[] ? kthread+0x7d/0x85 >> [ ? 41.370528] ?[] ? kernel_thread_helper+0x4/0x10 >> [ ? 41.370533] ?[] ? kthread+0x0/0x85 >> [ ? 41.370537] ?[] ? kernel_thread_helper+0x0/0x10 >> [ ? 41.370541] ---[ end trace 062f507148a6fa8e ]--- >> >> >> from what I remember I was at a local college(caltech) trying to >> connect to their public wifi >> in the public area. with no luck, then this popped up. >> full dmesg here: >> >> http://fpaste.org/SKU4/ > > In ath_stoprecv: > > ? ? ? ?if (!(ah->ah_flags & AH_UNPLUGGED) && > ? ? ? ? ? ?unlikely(!stopped)) { > ? ? ? ? ? ? ? ?ath_err(ath9k_hw_common(sc->sc_ah), > ? ? ? ? ? ? ? ? ? ? ? ?"Could not stop RX, we could be " > ? ? ? ? ? ? ? ? ? ? ? ?"confusing the DMA engine when we start RX up\n"); > ? ? ? ? ? ? ? ?ATH_DBG_WARN_ON_ONCE(!stopped); > ? ? ? ?} > > The Atheros guys will have to comment. > > John > -- > John W. Linville ? ? ? ? ? ? ? ?Someday the world will need a hero, and you > linville@tuxdriver.com ? ? ? ? ? ? ? ? ?might be all we have. ?Be ready. > well even at home this seems to be firing off. was watching movies,music, etc.. [21471.152404] ------------[ cut here ]------------ [21471.152426] WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 ath_stoprecv+0xc8/0xda [ath9k]() [21471.152429] Hardware name: MacBookPro2,2 [21471.152431] Modules linked in: hidp xfrm4_mode_transport xcbc rmd160 sha512_generic rfcomm sco bnep l2cap ipt_REJECT xt_tcpudp ipt_LOG iptable_nat nf_nat xt_state nf_conntrack_ftp nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables x_tables btusb bluetooth evdev psmouse thermal fan container button ac battery video ath9k ath9k_common ath9k_hw ath ttm drm aes_x86_64 lzo zlib ipcomp xfrm_ipcomp crypto_null sha256_generic cbc des_generic cast5 blowfish serpent camellia twofish_generic twofish_x86_64 twofish_common ctr ah4 esp4 authenc firewire_ohci firewire_core uhci_hcd ehci_hcd coretemp acpi_cpufreq processor mperf appletouch applesmc [21471.152492] Pid: 4637, comm: kworker/u:2 Not tainted 2.6.38-rc7-00143-gd1b152c #7 [21471.152495] Call Trace: [21471.152504] [] ? warn_slowpath_common+0x80/0x98 [21471.152508] [] ? warn_slowpath_null+0x15/0x17 [21471.152514] [] ? ath_stoprecv+0xc8/0xda [ath9k] [21471.152520] [] ? ath_set_channel+0xb0/0x217 [ath9k] [21471.152526] [] ? ath9k_config+0x3c0/0x4c3 [ath9k] [21471.152532] [] ? ieee80211_hw_config+0x120/0x129 [21471.152536] [] ? ieee80211_scan_work+0x2f8/0x496 [21471.152541] [] ? ieee80211_iface_work+0x28d/0x2a6 [21471.152547] [] ? ath_tx_complete_poll_work+0xf3/0x102 [ath9k] [21471.152550] [] ? ieee80211_scan_work+0x0/0x496 [21471.152555] [] ? process_one_work+0x266/0x3d7 [21471.152558] [] ? worker_thread+0x1d6/0x350 [21471.152561] [] ? worker_thread+0x0/0x350 [21471.152566] [] ? kthread+0x7d/0x85 [21471.152572] [] ? kernel_thread_helper+0x4/0x10 [21471.152575] [] ? kthread+0x0/0x85 [21471.152578] [] ? kernel_thread_helper+0x0/0x10 [21471.152581] ---[ end trace 11eeb73d205c9b43 ]--- full dmesg here: http://fpaste.org/5JQp/ let me know if I need to supply any info(also I can try a bisect, but am in the middle of changing residencies, so it might not be right away) -- Justin P. Mattock