Return-path: Received: from mail-pw0-f46.google.com ([209.85.160.46]:48687 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752019Ab2BLP4L (ORCPT ); Sun, 12 Feb 2012 10:56:11 -0500 Date: Sun, 12 Feb 2012 07:56:05 -0800 From: "Justin P. Mattock" To: linux-wireless@vger.kernel.org Cc: linuxkernel@vger.kernel.org, netdev@vger.kernel.org Subject: WARNING: at drivers/net/wireless/ath/ath9k/recv.c:537 ath_stoprecv+0xed/0x100 [ath9k]() Message-Id: <20120212075605.7922d4d00adb817577249514@gmail.com> (sfid-20120212_165615_354564_C634AB4A) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: not sure if this ubuntu's issue with the development branch of there software, but suspending with this machine and waking-up with good quality wireless is not consistent. I have noticed this message in the syslog(but am unsure if its related to the suspend issues since I was getting other traces with other modules) [15886.175455] ath: Failed to stop TX DMA, queues=0x005! [15886.192912] ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00006040 [15886.192918] ath: Could not stop RX, we could be confusing the DMA engine when we start RX up [15886.192920] ------------[ cut here ]------------ [15886.192931] WARNING: at drivers/net/wireless/ath/ath9k/recv.c:537 ath_stoprecv+0xed/0x100 [ath9k]() [15886.192933] Hardware name: 0914 [15886.192935] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat usb_storage cdc_acm usbhid hid parport_pc ppdev dm_crypt ipt_REJECT ipt_LOG xt_limit xt_tcpudp arc4 xt_addrtype ath9k xt_state mac80211 joydev nf_conntrack_netbios_ns nf_conntrack_broadcast snd_hda_codec_hdmi nf_nat_ftp nf_nat snd_hda_codec_conexant ath9k_common snd_hda_intel snd_hda_codec nf_conntrack_ipv4 nf_defrag_ipv4 ath9k_hw snd_hwdep snd_pcm snd_seq_midi snd_rawmidi nf_conntrack_ftp nf_conntrack uvcvideo snd_seq_midi_event videobuf2_core iptable_filter ip_tables ath snd_seq videodev videobuf2_vmalloc videobuf2_memops psmouse intel_ips x_tables cfg80211 snd_timer snd_seq_device snd soundcore snd_page_alloc ideapad_laptop sparse_keymap mei(C) wmi serio_raw lp parport i915 drm_kms_helper drm r8169 i2c_algo_bit video [15886.192997] Pid: 8687, comm: kworker/u:0 Tainted: G C 3.3.0-rc3-00172-g3f8aed3 #1 [15886.193014] Call Trace: [15886.193026] [] warn_slowpath_common+0x72/0xa0 [15886.193033] [] ? ath_stoprecv+0xed/0x100 [ath9k] [15886.193039] [] ? ath_stoprecv+0xed/0x100 [ath9k] [15886.193043] [] warn_slowpath_null+0x22/0x30 [15886.193049] [] ath_stoprecv+0xed/0x100 [ath9k] [15886.193057] [] ath_prepare_reset+0x5d/0xd0 [ath9k] [15886.193063] [] ath_reset_internal+0x7c/0x160 [ath9k] [15886.193068] [] ? trace_hardirqs_on+0xb/0x10 [15886.193073] [] ath9k_config+0x1f3/0x510 [ath9k] [15886.193093] [] ieee80211_hw_config+0x115/0x370 [mac80211] [15886.193107] [] ieee80211_scan_work+0x1ca/0x6b0 [mac80211] [15886.193111] [] process_one_work+0x166/0x5b0 [15886.193115] [] ? process_one_work+0xf2/0x5b0 [15886.193120] [] ? do_raw_spin_lock+0x3b/0xf0 [15886.193132] [] ? ieee80211_scan_rx+0x1b0/0x1b0 [mac80211] [15886.193139] [] worker_thread+0x124/0x2c0 [15886.193142] [] ? rescuer_thread+0x1c0/0x1c0 [15886.193145] [] kthread+0x7d/0x90 [15886.193149] [] ? __init_kthread_worker+0x60/0x60 [15886.193155] [] kernel_thread_helper+0x6/0x10 [15886.193157] ---[ end trace 883570b757402f86 ]--- [15886.271478] ath: Failed to stop TX DMA, queues=0x001! full dmesg is here: http://fpaste.org/Uo91/ I will continue to watch this, and let you know if I see anything. the wireless card is: lspci: 05:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01) -- Justin P. Mattock