(Adding linux-wireless) johnsgruber@xxxxxxxxx writes: > I'm getting many warning stack traces fom the above--at least two every 5 > seconds whether or not connected via wireless. > > Samples are below. > > On further investigation I see that for each of the pair gpio = 11, for > the first ah->caps.num_gpio_pins = 10 and for the second BIT(gpio) = 0x800 > and ah->caps.gpio_mask = 0x3ff. > > I gather this is unexpected, but it seems like some limit on output is in order. > > If you can't reproduce this situation on your own systems please let me know > if you would like me to gather more information for you on the basic problem, > test, etc. Kernel seems to be 4.7-rc3, but what chip? Maybe AR9462 or AR9565? > Jun 15 07:55:13 gruber-ubuntu-acer kernel: [193389.532500] ---[ end > trace c25c9fdececff7b3 ]--- > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523554] > ------------[ cut here ]------------ > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523567] WARNING: > CPU: 2 PID: 17657 at drivers/net/wireless/ath/ath9k/hw.c:2776 > ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw] > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523568] Modules > linked in: ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat > nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack > nf_conntrack ipt_REJECT nf_reject_ipv4 xt_CHECKSUM iptable_mangle > xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter > ip_tables ebtable_nat ebtables x_tables cmac bnep rfcomm binfmt_misc > nls_iso8859_1 usblp arc4 ath9k snd_hda_codec_hdmi uvcvideo > ath9k_common ath9k_hw i915 x86_pkg_temp_thermal intel_powerclamp > coretemp kvm_intel snd_usb_audio snd_hda_codec_realtek > videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 kvm ath > videobuf2_core snd_hda_codec_generic videodev mac80211 snd_hda_intel > snd_hda_codec snd_hda_core ath3k snd_usbmidi_lib joydev rtsx_usb btusb > irqbypass btrtl crc32_pclmul snd_hwdep ghash_clmulni_intel btbcm > snd_pcm btintel bluetooth drm_kms_helper cfg80211 aesni_intel > snd_seq_midi snd_seq_midi_event aes_x86_64 drm lrw snd_rawmidi snd_seq > glue_helper ablk_helper cryptd intel_cstate snd_seq_device intel_rapl > snd_timer snd i2c_algo_bit fb_sys_fops syscopyarea mei_me mei > sysfillrect sysimgblt soundcore serio_raw shpchp wmi lpc_ich > parport_pc ppdev lp video mac_hid parport hid_generic usbhid hid > psmouse r8169 mii fjes > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523613] CPU: 2 PID: > 17657 Comm: kworker/u8:0 Tainted: G W 4.7.0-rc3 #1 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523614] Hardware > name: Acer Aspire TC-605/Aspire TC-605, BIOS P11-A2 11/08/2013 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523618] Workqueue: > events_power_efficient rfkill_poll > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523620] > 0000000000000000 ffff88003ed37d28 ffffffff813888ec 0000000000000000 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523621] > 0000000000000000 ffff88003ed37d68 ffffffff81061311 00000ad800000082 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523623] > ffff8800d28ec018 000000000000000b ffff8800d28f0720 0000000000000100 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523625] Call Trace: > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523629] > [<ffffffff813888ec>] dump_stack+0x63/0x87 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523633] > [<ffffffff81061311>] __warn+0xd1/0xf0 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523634] > [<ffffffff810613fd>] warn_slowpath_null+0x1d/0x20 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523639] > [<ffffffffa096ab19>] ath9k_hw_gpio_get+0x1a9/0x1b0 [ath9k_hw] > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523642] > [<ffffffffa06293e4>] ath9k_rfkill_poll_state+0x34/0x60 [ath9k] > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523656] > [<ffffffffa046bb53>] ieee80211_rfkill_poll+0x33/0x40 [mac80211] > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523665] > [<ffffffffa02c45fa>] cfg80211_rfkill_poll+0x2a/0xc0 [cfg80211] > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523667] > [<ffffffff817a4d24>] rfkill_poll+0x24/0x50 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523670] > [<ffffffff81078aa3>] process_one_work+0x153/0x400 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523672] > [<ffffffff8107926b>] worker_thread+0x12b/0x4b0 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523674] > [<ffffffff81079140>] ? rescuer_thread+0x340/0x340 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523676] > [<ffffffff8107e4d9>] kthread+0xc9/0xe0 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523678] > [<ffffffff817ba23f>] ret_from_fork+0x1f/0x40 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523679] > [<ffffffff8107e410>] ? kthread_park+0x60/0x60 > Jun 15 07:55:18 gruber-ubuntu-acer kernel: [193394.523681] ---[ end > trace c25c9fdececff7b4 ]--- Does this patch help: ath9k: fix GPIO mask for AR9462 and AR9565ath-current https://git.kernel.org/cgit/linux/kernel/git/kvalo/ath.git/commit/?h=ath-current&id=e024111f6946f45cf1559a8c6fd48d2d0f696d07 -- Kalle Valo-- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
