From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-qe0-f44.google.com ([209.85.128.44]:52064 "EHLO mail-qe0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751013Ab3KEJ0W convert rfc822-to-8bit (ORCPT ); Tue, 5 Nov 2013 04:26:22 -0500 Received: by mail-qe0-f44.google.com with SMTP id 6so4876294qeb.17 for ; Tue, 05 Nov 2013 01:26:22 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <5273840F.40808@broadcom.com> <5273ABAC.1090109@broadcom.com> <52776C67.8080608@broadcom.com> <5278ADFB.2050909@broadcom.com> Date: Tue, 5 Nov 2013 17:26:21 +0800 Message-ID: (sfid-20131105_102647_039933_07B0F805) Subject: Re: brcmfmac driver does not work with a BCM4335 WiFi module From: Dong Aisheng To: Arend van Spriel Cc: linux-wireless@vger.kernel.org, frankyl@broadcom.com, brcm80211-dev-list@broadcom.com Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Nov 5, 2013 at 4:57 PM, Dong Aisheng wrote: > On Tue, Nov 5, 2013 at 4:36 PM, Arend van Spriel wrote: >> On 11/05/2013 03:51 AM, Dong Aisheng wrote: >>> >>> On Mon, Nov 4, 2013 at 5:44 PM, Arend van Spriel >>> wrote: >>>> >>>> On 11/04/2013 09:13 AM, Dong Aisheng wrote: >>>>> >>>>> >>>>> Hi Arend, >>>>> >>>>> On Mon, Nov 4, 2013 at 11:44 AM, Dong Aisheng >>>>> wrote: >>>>>> >>>>>> >>>>>> Hi Arend, >>>>>> >>>>>> On Fri, Nov 1, 2013 at 9:25 PM, Arend van Spriel >>>>>> wrote: >>>>>>> >>>>>>> >>>>>>> On 11/01/2013 01:21 PM, Dong Aisheng wrote: >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> Hi Arend, >>>>>>>> >>>>>>>> On Fri, Nov 1, 2013 at 6:35 PM, Arend van Spriel >>>>>>>> wrote: >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> On 11/01/2013 07:22 AM, Dong Aisheng wrote: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Hi ALL, >>>>>>>>>> >>>>>>>>>> I'm verifying BCM4335 WiFi module on i.MX6SL EVK board. >>>>>>>>>> The kernel i ran is latest from: >>>>>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git >>>>>>>>>> >>>>>>>>>> The firmware is used is from: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git >>>>>>>>>> >>>>>>>>>> NVRAM file is got from the vendor which should work for the module. >>>>>>>>>> >>>>>>>>>> But i ran into the following issues, hope somebody can give me some >>>>>>>>>> hints. >>>>>>>>>> >>>>>>>>>> First, i met error when module is auto loaded, but seems the driver >>>>>>>>>> is >>>>>>>>>> still loaded successfully since i found the new WiFi interface with >>>>>>>>>> ifconfig. >>>>>>>>>> But it can not work after run rfkill unblock wlan and a lot error >>>>>>>>>> messages comes out. >>>>>>>>>> >>>>>>>>>> I'm wondering if this driver can support bcm4335 well, can anybody >>>>>>>>>> provide some help? >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> I can try. I have used the bcm4335 with a SDIO3.0 controller on a >>>>>>>>> x86 >>>>>>>>> PC. >>>>>>>>> Looking at an issue right now, but your log does not show that so >>>>>>>>> you >>>>>>>>> have a >>>>>>>>> different issue. Could you load the module with parameter >>>>>>>>> 'debug=0x146'. >>>>>>>>> >>>>>>>> >>>>>>>> Thanks for the help. >>>>>>>> So that means the brcmfmac driver should support bcm4335 module well, >>>>>>>> right? >>>>>>>> The difference is that i'm using a ARM platform. >>>>>>>> Below is log with 'debug=0x146'. >>>>>>>> It only includes driver probe log. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> That log actually looks fine. Just not sure why software rfkill was >>>>>>> enabled. >>>>>>> Is that still the case? What distro is running on your platform? >>>>>>> >>>>>> >>>>>> Do you mean the error message during probe is also fine? >>>>>> root@imx6slevk:~# mmc0: queuing unknown CIS tuple 0x91 (3 bytes) >>>>>> mmc0: new high speed SDIO card at address 0001 >>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: >>>>>> 0xffffffac >>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: >>>>>> 0xffffffac >>>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: >>>>>> 0xffffffac >>>>>> brcmfmac: brcmf_sdio_regrw_helper: failed with -84 <--- error >>>>>> message >>>>>> brcmfmac: brcmf_sdio_chip_ >>>>>> drivestrengthinit: No SDIO Drive strength >>>>>> init done for chip 4335 rev 1 pmurev 18 >>>>>> brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Mar 24 2013 >>>>>> 20:36:01 version 6.30.171.24.20 (B0 Station/P2P) >>>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23 <---- error >>>>>> message >>>>>> >>>>>> I'm using yocto rootfs, seems rfkill is always enabled by default. >>>>>> I could try another rootfs without rfkill. >>>>>> But i don't think rfkill should block WiFi driver to work properly. >>>>>> >>>>> >>>>> I tried another rootfs without rfkill, met the same issue when doing >>>>> ifconfig wlan0 up, just like 'rfkill unblock wlan'. >>>>> >>>>> root@freescale ~$ mmc0: mmc_rescan_try_freq: trying to init card at >>>>> 400000 >>>>> Hz >>>>> mmc0: queuing unknown CIS tuple 0x91 (3 bytes) >>>>> mmc0: new high speed SDIO card at address 0001 >>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: 0xffffffac >>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: 0xffffffac >>>>> brcmfmac: brcmf_sdioh_request_word: Failed to read word, Err: 0xffffffac >>>>> brcmfmac: brcmf_sdio_regrw_helper: failed with -84 >>>>> brcmfmac: brcmf_sdio_chip_drivestrengthinit: No SDIO Drive strength >>>>> init done for chip 4335 rev 1 pmurev 18 >>>>> brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Mar 24 2013 >>>>> 20:36:01 version 6.30.171.24.20 (B0 Station/P2P) >>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23 >>>>> >>>>> root@freescale ~$ >>>>> root@freescale ~$ >>>>> root@freescale ~$ ifconfig -a >>>>> ...... >>>>> >>>>> wlan0 Link encap:Ethernet HWaddr 00:90:4C:C5:12:38 >>>>> BROADCAST MULTICAST MTU:1500 Metric:1 >>>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 >>>>> collisions:0 txqueuelen:1000 >>>>> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) >>>>> >>>>> root@freescale ~$ ifconfig wlan0 up >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout >>>>> brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists >>>>> brcmfmac: brcmf_add_if: ignore IF event >>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110 >>>>> >>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-23 >>>>> root@freescale ~$ >>>>> root@freescale ~$ >>>>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_byte: Failed to write >>>>> byte F1:@0x1001f=01, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> >>>>> root@freescale ~$ brcmfmac: brcmf_sdioh_request_byte: Failed to write >>>>> byte F1:@0x1001f=01, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte >>>>> F1:@0x1001f=01, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to read byte >>>>> F1:@0x1001f=ff, Err: -110 >>>>> >>>>> I looked into a bit more about the error and found there's CMD timeout >>>>> on the bus during SDIO >>>>> command transfer. >>>>> --------------------------------------- >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00 ........5.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> mmc0: starting CMD52 arg 92001400 flags 00000195 >>>>> sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00010000 >>>>> mmc0: req done (CMD52): -110: 00000000 00000000 00000000 00000000 >>>>> brcmfmac: brcmf_sdioh_request_byte: Failed to write byte >>>>> F1:@0x1000a=00, Err: -110 >>>>> ------------------------------------------ >>>>> I'm not sure how this happened, whether caused by host side or wifi >>>>> driver >>>>> side. >>>>> But for the host, i tried this host driver with another WiFi >>>>> card(Atheros AR6103) with same kernel, >>>>> and it worked well. So the host driver seems more like ok to me. >>>>> >>>>> Since i'm not familar with the WiFi driver, i wonder if you could >>>>> provide suggestion >>>>> from WiFi driver layer to see what the issue could be. >>>>> >>>>> Below is the detailed log when run 'ifconfig wlan0 up' >>>>> >>>>> root@freescale ~$ ifconfig wlan0 up >>>>> brcmfmac: brcmf_netdev_open Enter, idx=0 >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 2f 00 d0 ff 10 00 00 14 00 00 00 00 00 00 00 00 >>>>> /............... >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert >>>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110 >>>>> brcmutil: RxHdr: >>>>> 00000000: 27 00 d8 ff 12 00 00 0c 00 26 00 00 '........&.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 28 00 d7 ff 11 00 00 14 00 00 00 00 00 00 00 00 >>>>> (............... >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 13 00 00 0c 00 32 00 00 ........2.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 28 00 d7 ff 12 00 00 14 00 00 00 00 00 00 00 00 >>>>> (............... >>>>> brcmutil: RxHdr: >>>>> 00000000: 10 00 ef ff 14 83 0f 0c 00 32 00 00 .........2.. >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 88, sig 8 >>>>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6) >>>>> brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 87, sig 8 >>>>> brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6) >>>>> brcmfmac: brcmf_fws_notify_credit_map enter: credits 09:27:12:09:09:02 >>>>> brcmfmac: brcmf_add_if Enter, idx=0, ifidx=0 >>>>> brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists >>>>> brcmfmac: brcmf_add_if: ignore IF event >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 17 00 00 0c 00 33 00 00 ........3.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 28 00 d7 ff 13 00 00 14 00 00 00 00 00 00 00 00 >>>>> (............... >>>>> brcmutil: RxHdr: >>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 18 00 00 0c 00 34 00 00 ........4.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 28 00 d7 ff 14 00 00 14 00 00 00 00 00 00 00 00 >>>>> (............... >>>>> brcmutil: RxHdr: >>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00 ........5.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_txctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmutil: TxHdr: >>>>> 00000000: 28 00 d7 ff 15 00 00 14 00 00 00 00 00 00 00 00 >>>>> (............... >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_rxctl Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_kso_control Enter >>>>> brcmfmac: brcmf_sdbrcm_dpc Enter >>>>> brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered >>>>> brcmfmac: brcmf_sdbrcm_isr Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdbrcm_bus_sleep Enter >>>>> brcmfmac: brcmf_sdio_readframes Enter >>>>> brcmutil: RxHdr: >>>>> 00000000: 20 00 df ff 1a 00 00 0c 00 36 00 00 ........6.. >>>>> brcmfmac: brcmf_sdbrcm_read_control Enter >>>>> brcmfmac: brcmf_config_dongle power save set to enabled >>>>> brcmfmac: brcmf_dongle_roam Internal Roaming = On >>>> >>>> >>>> >>>> It seem this is the last command being sent. Could you provide file >>>> contents >>>> in /sys/kernel/debug/brcmfmac/mmc*/ >>>> >>>> Not sure if Yocto mounts debugfs on /sys/kernel/debug. Otherwise you can >>>> do: >>>> >>>> # mkdir /tmp/debugfs >>>> # mount -t debugfs none /tmp/debugfs >>>> >>> >>> Please see below: >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ls >>> counters forensics fws_stats >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ls -l >>> total 0 >>> -r--r--r-- 1 root root 0 Sep 6 23:21 counters >>> -r--r--r-- 1 root root 0 Sep 6 23:21 forensics >>> -r--r--r-- 1 root root 0 Sep 6 23:21 fws_stats >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat counters >>> intrcount: 19 >>> lastintrs: 0 >>> pollcnt: 0 >>> regfails: 0 >>> tx_sderrs: 0 >>> fcqueued: 0 >>> rxrtx: 0 >>> rx_toolong: 0 >>> rxc_errors: 0 >>> rx_hdrfail: 0 >>> rx_badhdr: 0 >>> rx_badseq: 0 >>> fc_rcvd: 0 >>> fc_xoff: 0 >>> fc_xon: 0 >>> rxglomfail: 0 >>> rxglomframes: 0 >>> rxglompkts: 0 >>> f2rxhdrs: 36 >>> f2rxdata: 3 >>> f2txdata: 0 >>> f1regdata: 42 >>> tickcnt: 53 >>> tx_ctlerrs: 0 >>> tx_ctlpkts: 17 >>> rx_ctlerrs: 0 >>> rx_ctlpkts: 17 >>> rx_readahead: 0 >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat forensics >>> >>> RTE (USB-SDIO-CDC) 6.30.171.24.20 (B0 Station/P2P) on BCM4335 r1 @ >>> 37.4/161.3/161.3MHz >>> 000000.011 sdpcmdcdc0: Broadcom SDPCMD CDC driver >>> 000000.018 reclaim section 0: Returned 42772 bytes to the heap >>> 000000.061 wl0: Broadcom BCM4335 802.11 Wireless Controller >>> 6.30.171.24.20 (B0 Station/P2P) >>> 000000.070 reclaim section 1: Returned 62128 bytes to the heap >>> 000000.209 wl0: wlc_enable_probe_req: state down, deferring setting of >>> host flags >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# ring setting of >>> host flags >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# cat fws_stats >>> header_pulls: 0 >>> header_only_pkt: 0 >>> tlv_parse_failed: 0 >>> tlv_invalid_type: 0 >>> mac_update_fails: 0 >>> ps_update_fails: 0 >>> if_update_fails: 0 >>> pkt2bus: 0 >>> generic_error: 0 >>> rollback_success: 0 >>> rollback_failed: 0 >>> delayq_full: 0 >>> supprq_full: 0 >>> txs_indicate: 0 >>> txs_discard: 0 >>> txs_suppr_core: 0 >>> txs_suppr_ps: 0 >>> txs_tossed: 0 >>> txs_host_tossed: 0 >>> bus_flow_block: 0 >>> fws_flow_block: 0 >>> send_pkts: BK:0 BE:0 VO:0 VI:0 BCMC:0 >>> requested_sent: BK:0 BE:0 VO:0 VI:0 BCMC:0 >>> root@imx6slevk:/sys/kernel/debug/brcmfmac/mmc0:0001:1# >> >> >> Nothing exciting there either. Let's take a step back. The rfkill seems an >> issue, but I first would like to know if you can get connectivity. Does the >> 'ifconfig wlan0 up' complete at all and is it successful. >> > > The second rootfs i tried does not have rfkill. > But shows the similar issue with 'ifconfig wlan0 up'. > >> As you noticed during the up sequence there is a timeout. I would like to >> know what command that is. Could you run it again with debug=1546? >> > > Will run the test now. > Thanks for the help. > Please see blow log: Note: there's no rfkill in this rootfs. root@freescale ~$ ifconfgiig wlan0 brcmfmac: brcmf_netdev_get_stats Enter, idx=0 wlan0 Link encap:Ethernet HWaddr 00:90:4C:C5:12:38 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) root@freescale ~$ ifconfig wlan0 up brcmfmac: brcmf_netdev_open Enter, idx=0 brcmfmac: brcmf_sdbrcm_bus_txctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: TxHdr: 00000000: 2f 00 d0 ff 10 00 00 14 00 00 00 00 00 00 00 00 /............... brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter <--------- I noticed a few seconds stall here brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdio_readframes Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert brcmfmac: brcmf_fil_cmd_data: Failed err=-110 brcmfmac: brcmf_fil_iovar_data_get name=toe_ol, len=4 brcmutil: data 00000000: 28 aa 49 80 (.I. brcmutil: RxHdr: 00000000: 27 00 d8 ff 12 00 00 0c 00 26 00 00 '........&.. brcmfmac: brcmf_sdbrcm_read_control Enter brcmfmac: brcmf_fil_cmd_int_set cmd=2, value=0 brcmfmac: brcmf_sdbrcm_bus_txctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: TxHdr: 00000000: 28 00 d7 ff 11 00 00 14 00 00 00 00 00 00 00 00 (............... brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmutil: RxHdr: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdio_readframes Enter brcmutil: RxHdr: 00000000: 20 00 df ff 13 00 00 0c 00 32 00 00 ........2.. brcmfmac: brcmf_sdbrcm_read_control Enter brcmfmac: brcmf_fil_cmd_int_set cmd=185, value=40 brcmfmac: brcmf_sdbrcm_bus_txctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: TxHdr: 00000000: 28 00 d7 ff 12 00 00 14 00 00 00 00 00 00 00 00 (............... brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmutil: RxHdr: 00000000: 10 00 ef ff 14 83 0f 0c 00 32 00 00 .........2.. brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 88, sig 8 brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6) brcmfmac: brcmf_fws_hdrpull enter: ifidx 0, skblen 87, sig 8 brcmfmac: brcmf_fws_hdrpull tlv type=TRANS_ID (18), len=6 (6) brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_fweh_event_worker event FIFO_CREDIT_MAP (74) ifidx 0 bsscfg 0 addr 80:80:80:80:80:80 brcmfmac: brcmf_fweh_event_worker version 2 flags 24 status 0 reason 0 brcmutil: event payload, len=6 00000000: 09 27 12 09 09 02 .'.... brcmfmac: brcmf_fws_notify_credit_map enter: credits 09:27:12:09:09:02 brcmfmac: brcmf_fweh_event_worker event IF (54) ifidx 0 bsscfg 0 addr 00:90:4c:c5:12:38 brcmfmac: brcmf_fweh_event_worker version 2 flags 0 status 0 reason 0 brcmutil: event payload, len=5 00000000: 00 01 00 00 00 ..... brcmfmac: brcmf_fweh_handle_if_event action: 1 idx: 0 bsscfg: 0 flags: 0 role: 0 brcmfmac: brcmf_fweh_handle_if_event adding wl0 (00:90:4c:c5:12:38) brcmfmac: brcmf_add_if Enter, idx=0, ifidx=0 brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists brcmfmac: brcmf_add_if: ignore IF event brcmutil: RxHdr: 00000000: 20 00 df ff 17 00 00 0c 00 33 00 00 ........3.. brcmfmac: brcmf_sdbrcm_read_control Enter brcmfmac: brcmf_fil_cmd_int_set cmd=187, value=40 brcmfmac: brcmf_sdbrcm_bus_txctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmutil: RxHdr: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: TxHdr: 00000000: 28 00 d7 ff 13 00 00 14 00 00 00 00 00 00 00 00 (............... brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdio_readframes Enter brcmutil: RxHdr: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter ....... brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdio_readframes Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert brcmfmac: brcmf_fil_cmd_data: Failed err=-110 brcmfmac: brcmf_dongle_scantime: Scan unassoc time error (-110) brcmutil: RxHdr: 00000000: 20 00 df ff 18 00 00 0c 00 34 00 00 ........4.. brcmfmac: brcmf_sdbrcm_read_control Enter brcmfmac: brcmf_fil_cmd_int_set cmd=86, value=2 brcmfmac: brcmf_sdbrcm_bus_txctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmutil: RxHdr: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: TxHdr: 00000000: 28 00 d7 ff 14 00 00 14 00 00 00 00 00 00 00 00 (............... brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmfmac: brcmf_sdbrcm_bus_rxctl Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter ................................. brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_rxctl: resumed on timeout brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdio_readframes Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_checkdied firmware not built with -assert brcmfmac: brcmf_fil_cmd_data: Failed err=-110 brcmfmac: brcmf_netdev_open: failed to bring up cfg80211 brcmutil: RxHdr: 00000000: 20 00 df ff 19 00 00 0c 00 35 00 00 ........5.. brcmfmac: brcmf_sdbrcm_read_control Enter ifconfig: SIOCSIFFLAGS: Operationbrcmfmac: brcmf_sdbrcm_bus_sleep Enter not permitted root@freescale ~$ brcmfmac: brcmf_sdio_readframes: RXHEADER FAILED: -110 brcmfmac: brcmf_sdbrcm_rxfail: abort command, terminate frame, send NAK root@freescale ~$ root@freescale ~$ brcmfmac: brcmf_sdioh_request_word: Failed to write word, Err: 0xffffff92 root@freescale ~$ root@freescale ~$ root@freescale ~$ brcmfmac: brcmf_sdioh_request_word: Failed to write word, Err: 0xffffff92 root@freescale ~$ brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE brcmfmac: brcmf_sdio_readframes Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmutil: RxHdr: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 ............ brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdioh_request_byte: Failed to write byte F1:@0x1001f=01, Err: -110 brcmfmac: brcmf_sdioh_request_byte: Failed to write byte F1:@0x1001f=01, Err: -110 brcmfmac: brcmf_sdioh_request_byte: Failed to write byte F1:@0x1001f=01, Err: -110 brcmfmac: brcmf_sdio_ib_irqhandler IB intr triggered brcmfmac: brcmf_sdbrcm_isr Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_dpc Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_dpc Dongle reports CHIPACTIVE brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_kso_control Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter brcmfmac: brcmf_sdbrcm_bus_sleep Enter Regards Dong Aisheng