Return-path: Received: from mail.candelatech.com ([208.74.158.172]:46870 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068AbaCaQ5A (ORCPT ); Mon, 31 Mar 2014 12:57:00 -0400 Message-ID: <53399E42.2090504@candelatech.com> (sfid-20140331_185706_754814_C073AFD1) Date: Mon, 31 Mar 2014 09:56:34 -0700 From: Ben Greear MIME-Version: 1.0 To: ath10k , "linux-wireless@vger.kernel.org" Subject: ath10k: ieee80211_restart_work called with hardware scan in progress Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: This came from a customer (demo) system. Firmware is 10.1.389 based, modified by us. It has lots of known issues, but I haven't seen the warning below before, and not sure it is specifically a bug with ath10k or not. Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ath10k: could not start hw scan (-108) Mar 31 13:49:54 ct521-5332 kernel: ieee80211_restart_work called with hardware scan in progress Mar 31 13:49:54 ct521-5332 kernel: Modules linked in: nf_nat_ipv4 nf_nat fuse 8021q mrp garp stp llc macvlan pktgen coretemp hwmon sunrpc ipv6 uinput snd_hda_codec_realtek snd_hda_codec_generic ath10k_pci ath10k_core snd_hda_intel mac80211 snd_hda_codec snd_hwdep snd_seq snd_seq_device iTCO_wdt e1000e microcode ath gpio_ich snd_pcm iTCO_vendor_support ppdev ptp snd_timer parport_pc snd cfg80211 parport serio_raw pps_core soundcore pcspkr i2c_i801 lpc_ich i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: iptable_nat] Mar 31 13:49:54 ct521-5332 kernel: CPU: 0 PID: 11818 Comm: kworker/0:0 Tainted: G WC 3.14.0-rc7-wl-ath+ #4 Mar 31 13:49:54 ct521-5332 kernel: Hardware name: To be filled by O.E.M. To be filled by O.E.M./To be filled by O.E.M., BIOS 4.6.3 09/05/2011 Mar 31 13:49:54 ct521-5332 kernel: Workqueue: events ieee80211_restart_work [mac80211] Mar 31 13:49:54 ct521-5332 kernel: 0000000000000009 ffff8800bd865d68 ffffffff815ab0a5 ffff88022bc0ec38 Mar 31 13:49:54 ct521-5332 kernel: ffff8800bd865db8 ffff8800bd865da8 ffffffff810c1aa8 ffff8800bd865d88 Mar 31 13:49:54 ct521-5332 kernel: ffffffffa03858ce ffff8802214d5650 ffff8802214d45e0 ffff8802214d5650 Mar 31 13:49:54 ct521-5332 kernel: Call Trace: Mar 31 13:49:54 ct521-5332 kernel: [] dump_stack+0x4e/0x71 Mar 31 13:49:54 ct521-5332 kernel: [] warn_slowpath_common+0x77/0x91 Mar 31 13:49:54 ct521-5332 kernel: [] ? ieee80211_restart_work+0x49/0x68 [mac80211] Mar 31 13:49:54 ct521-5332 kernel: [] warn_slowpath_fmt+0x41/0x43 Mar 31 13:49:54 ct521-5332 kernel: [] ieee80211_restart_work+0x49/0x68 [mac80211] Mar 31 13:49:54 ct521-5332 kernel: [] process_one_work+0x162/0x216 Mar 31 13:49:54 ct521-5332 kernel: [] worker_thread+0x12f/0x1fd Mar 31 13:49:54 ct521-5332 kernel: [] ? rescuer_thread+0x268/0x268 Mar 31 13:49:54 ct521-5332 kernel: [] ? rescuer_thread+0x268/0x268 Mar 31 13:49:54 ct521-5332 kernel: [] kthread+0xa0/0xa8 Mar 31 13:49:54 ct521-5332 kernel: [] ? __kthread_parkme+0x5c/0x5c Mar 31 13:49:54 ct521-5332 kernel: [] ret_from_fork+0x7c/0xb0 Mar 31 13:49:54 ct521-5332 kernel: [] ? __kthread_parkme+0x5c/0x5c Mar 31 13:49:54 ct521-5332 kernel: ---[ end trace fd8ccdaa79168e68 ]--- Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com