From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mms3.broadcom.com ([216.31.210.19]:1027 "EHLO mms3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750813Ab3AVVSO (ORCPT ); Tue, 22 Jan 2013 16:18:14 -0500 Message-ID: <50FF0020.4010607@broadcom.com> (sfid-20130122_221825_546385_4E51AD8E) Date: Tue, 22 Jan 2013 22:09:52 +0100 From: "Arend van Spriel" MIME-Version: 1.0 To: "Tom Gundersen" cc: brcm80211-dev-list@broadcom.com, linux-wireless@vger.kernel.org Subject: Re: WARNING: at drivers/net/wireless/brcm80211/brcmsmac/main.c:7539 brcms_c_wait_for_tx_completion References: In-Reply-To: Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 01/22/2013 08:40 PM, Tom Gundersen wrote: > Hi, > > I'm having some (occasional) problems using 3.8-rc4 (see output below). > > I don't know if this is new, as it is the first kernel I try on this machine. > > Please let me know if there is any additional info I can provide (or > patches to try). Always too bad when getting a trace like this. It would be good to have a bit more context so could you provide 10-20 lines before and after this WARNING. Gr. AvS > Cheers, > > Tom > > > [ 566.256181] ------------[ cut here ]------------ > [ 566.256197] WARNING: at > drivers/net/wireless/brcm80211/brcmsmac/main.c:7539 > brcms_c_wait_for_tx_completion+0xab/0xc0 [brcmsmac]() > [ 566.256199] Hardware name: MacBookAir5,1 > [ 566.256200] Modules linked in: efivars hid_generic mousedev > hid_apple usbhid bcm5974 brcmsmac cordic mac80211 snd_hda_codec_hdmi > snd_hda_codec_cirrus brcmutil i915 cfg80211 kvm_intel kvm rfkill > i2c_algo_bit snd_hda_intel intel_agp intel_gtt snd_hda_codec > drm_kms_helper snd_hwdep aesni_intel aes_x86_64 snd_pcm xhci_hcd > ehci_pci applesmc ehci_hcd input_polldev drm microcode led_class > snd_page_alloc snd_timer usbcore snd bcma agpgart soundcore usb_common > battery acpi_cpufreq mperf ac evdev processor > [ 566.256234] Pid: 84, comm: kworker/u:7 Not tainted 3.8.0-rc4-TEG #2 > [ 566.256236] Call Trace: > [ 566.256241] [] warn_slowpath_common+0x7f/0xc0 > [ 566.256244] [] warn_slowpath_null+0x1a/0x20 > [ 566.256250] [] > brcms_c_wait_for_tx_completion+0xab/0xc0 [brcmsmac] > [ 566.256255] [] brcms_ops_flush+0x3b/0x60 [brcmsmac] > [ 566.256265] [] ieee80211_scan_work+0x1b3/0x630 [mac80211] > [ 566.256269] [] process_one_work+0x132/0x4f0 > [ 566.256273] [] ? get_parent_ip+0x11/0x50 > [ 566.256282] [] ? > ieee80211_run_deferred_scan+0x90/0x90 [mac80211] > [ 566.256285] [] worker_thread+0x15d/0x450 > [ 566.256287] [] ? busy_worker_rebind_fn+0x100/0x100 > [ 566.256290] [] kthread+0xc0/0xd0 > [ 566.256293] [] ? register_cpu+0x4e/0xc5 > [ 566.256296] [] ? kthread_create_on_node+0x130/0x130 > [ 566.256298] [] ret_from_fork+0x7c/0xb0 > [ 566.256300] [] ? kthread_create_on_node+0x130/0x130 > [ 566.256302] ---[ end trace 2264c0238d7b0ba5 ]--- >