Hi Arend, On Qua, 2017-11-22 at 11:58 +0100, Arend van Spriel wrote: > On 11/22/2017 11:48 AM, Vanessa Maegima wrote: > > > > Hi Arend, > > > > On Seg, 2017-11-20 at 12:12 +0100, Arend van Spriel wrote: > > > > > > On 20-11-17 12:03, Arend van Spriel wrote: > > > > > > > > > > > > On 17-11-17 16:24, Vanessa Maegima wrote: > > > > > > > > > > > > > > > Hi Arend, > > > > > > > > > > On Sex, 2017-11-17 at 13:55 +0100, Arend van Spriel wrote: > > > > > > > > > > > > > > > > > > On 11/17/2017 12:08 PM, Vanessa Maegima wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi Arend, > > > > > > > > > > > > > > On Sex, 2017-11-10 at 20:58 +0100, Arend van Spriel > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 10-11-17 13:43, Vanessa Maegima wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > > > > > On Qui, 2017-09-21 at 12:30 -0300, Vanessa Ayumi > > > > > > > > > Maegima > > > > > > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi Arend, > > > > > > > > > > > > > > > > > > > > On Thu, Sep 21, 2017 at 4:26 AM, Arend van Spriel > > > > > > > > > > <arend.vanspriel@xxxxxxxxxxxx> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 20-09-17 21:33, Vanessa Ayumi Maegima wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > > > > > > > > > > > I am trying to enable Wifi on imx7d-pico using > > > > > > > > > > > > mainline > > > > > > > > > > > > kernel. > > > > > > > > > > > > imx7d-pico > > > > > > > > > > > > has an AP6335 chip. > > > > > > > > > > > > > > > > > > > > > > > > I am facing some issues related to the nvram > > > > > > > > > > > > file. > > > > > > > > > > > > I am > > > > > > > > > > > > using > > > > > > > > > > > > the > > > > > > > > > > > > firmware > > > > > > > > > > > > provided by Buildroot (brcmfmac4339-sdio.bin). > > > > > > > > > > > > I > > > > > > > > > > > > get the > > > > > > > > > > > > following error: > > > > > > > > > > > > > > > > > > > > > > > > [ 8.630380] brcmfmac: brcmf_sdio_htclk: HT > > > > > > > > > > > > Avail > > > > > > > > > > > > timeout > > > > > > > > > > > > (1000000): > > > > > > > > > > > > clkctl 0x50 > > > > > > > > > > > > > > > > > > > > > > > > I have tried to use the firmware and nvram > > > > > > > > > > > > provided > > > > > > > > > > > > by > > > > > > > > > > > > TechNexion > > > > > > > > > > > > but I > > > > > > > > > > > > get > > > > > > > > > > > > the same error. > > > > > > > > > > > > > > > > > > > > > > > > Is there anyone that could enable Wifi on > > > > > > > > > > > > AP6335 > > > > > > > > > > > > using > > > > > > > > > > > > kernel > > > > > > > > > > > > mainline? > > > > > > > > > > > > What nvram file was used? > > > > > > > > > > > > > > > > > > > > > > > > I am able to use Wifi on the board if I use the > > > > > > > > > > > > firmware, > > > > > > > > > > > > nvram > > > > > > > > > > > > file and > > > > > > > > > > > > kernel > > > > > > > > > > > > provided by TechNexion. They use a 4.1 kernel > > > > > > > > > > > > from > > > > > > > > > > > > NXP > > > > > > > > > > > > with > > > > > > > > > > > > the > > > > > > > > > > > > bcmdhd > > > > > > > > > > > > driver. > > > > > > > > > > > > > > > > > > > > > > > > So I know that the hardware is functional. > > > > > > > > > > > > > > > > > > > > > > > > Any suggestions as how to get it working with a > > > > > > > > > > > > 4.13 and > > > > > > > > > > > > brcmfmac > > > > > > > > > > > > driver > > > > > > > > > > > > is > > > > > > > > > > > > appreciated. > > > > > > > > > > > So the nvram file is specific to the wifi chipset > > > > > > > > > > > on > > > > > > > > > > > your > > > > > > > > > > > platform > > > > > > > > > > > so best > > > > > > > > > > > to stick with the provided one. The "HT Avail > > > > > > > > > > > timeout" most > > > > > > > > > > > often > > > > > > > > > > > is an > > > > > > > > > > > indication that the firmware crashed. So getting > > > > > > > > > > > more > > > > > > > > > > > debug > > > > > > > > > > > output > > > > > > > > > > > would > > > > > > > > > > > help us understand how it ended up like that. Can > > > > > > > > > > > you > > > > > > > > > > > build > > > > > > > > > > > the > > > > > > > > > > > brcmfmac > > > > > > > > > > > with CONFIG_BRCMDBG and load the driver using: > > > > > > > > > > > > > > > > > > > > > > $ insmod brcmfmac.ko debug=0x1416 > > > > > > > > > > Thanks for the reply! > > > > > > > > > > > > > > > > > > > > Here is the log (using 4.14-rc1): > > > > > > > > > > > > > > > > > > > > # dmesg | grep brcmfmac > > > > > > > > > > [ 19.297206] brcmfmac: brcmfmac_module_init No > > > > > > > > > > platform > > > > > > > > > > data > > > > > > > > > > available. > > > > > > > > > > [ 19.307075] brcmfmac: brcmf_sdio_probe Enter > > > > > > > > > > [ 19.308384] brcmfmac: F1 signature read > > > > > > > > > > @0x18000000=0x16224335 > > > > > > > > > > [ 19.309026] brcmfmac: brcmf_chip_recognition > > > > > > > > > > found > > > > > > > > > > AXI > > > > > > > > > > chip: > > > > > > > > > > BCM4339, rev=2 > > > > > > > > > > [ 19.317115] brcmfmac: brcmf_chip_cores_check [1 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x800:46 > > > > > > > > > > base 0x18000000 wrap 0x18100000 > > > > > > > > > > [ 19.317141] brcmfmac: brcmf_chip_cores_check [2 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x812:46 > > > > > > > > > > base 0x18001000 wrap 0x18101000 > > > > > > > > > > [ 19.317165] brcmfmac: brcmf_chip_cores_check [3 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x83e:4 > > > > > > > > > > base 0x18002000 wrap 0x18102000 > > > > > > > > > > [ 19.317188] brcmfmac: brcmf_chip_cores_check [4 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x83c:4 > > > > > > > > > > base 0x18003000 wrap 0x18103000 > > > > > > > > > > [ 19.317210] brcmfmac: brcmf_chip_cores_check [5 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x81a:20 > > > > > > > > > > base 0x18004000 wrap 0x18104000 > > > > > > > > > > [ 19.317233] brcmfmac: brcmf_chip_cores_check [6 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x829:21 > > > > > > > > > > base 0x18005000 wrap 0x18105000 > > > > > > > > > > [ 19.317256] brcmfmac: brcmf_chip_cores_check [7 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x135:0 > > > > > > > > > > base 0x00000000 wrap 0x18109000 > > > > > > > > > > [ 19.317279] brcmfmac: brcmf_chip_cores_check [8 > > > > > > > > > > ] > > > > > > > > > > core > > > > > > > > > > 0x240:0 > > > > > > > > > > base 0x00000000 wrap 0x00000000 > > > > > > > > > > [ 19.317298] brcmfmac: brcmf_chip_set_passive > > > > > > > > > > Enter > > > > > > > > > > [ 19.322232] brcmfmac: brcmf_chip_get_raminfo > > > > > > > > > > RAM: > > > > > > > > > > base=0x180000 > > > > > > > > > > size=786432 (0xc0000) sr=0 (0x0) > > > > > > > > > > [ 19.322457] brcmfmac: brcmf_chip_setup ccrev=46, > > > > > > > > > > pmurev=23, > > > > > > > > > > pmucaps=0x39cc5f17 > > > > > > > > > > [ 19.322481] brcmfmac: brcmf_get_module_param > > > > > > > > > > Enter, > > > > > > > > > > bus=0, > > > > > > > > > > chip=17209, rev=2 > > > > > > > > > > [ 19.322504] brcmfmac: brcmf_sdiod_sgtable_alloc > > > > > > > > > > nents=35 > > > > > > > > > > [ 19.322531] brcmfmac: brcmf_sdio_kso_init Enter > > > > > > > > > > [ 19.322618] brcmfmac: > > > > > > > > > > brcmf_sdio_drivestrengthinit > > > > > > > > > > No SDIO > > > > > > > > > > driver > > > > > > > > > > strength init needed for chip 43 > > > > > > > > > > 39 rev 2 pmurev 23 > > > > > > > > > > [ 19.323235] brcmfmac: brcmf_attach Enter > > > > > > > > > > [ 19.323725] brcmfmac: brcmf_proto_attach Enter > > > > > > > > > > [ 19.323769] brcmfmac: brcmf_fweh_register event > > > > > > > > > > handler > > > > > > > > > > registered > > > > > > > > > > for PSM_WATCHDOG > > > > > > > > > > [ 19.324306] brcmfmac: brcmf_sdio_probe > > > > > > > > > > completed!! > > > > > > > > > > [ 19.324337] brcmfmac: brcmf_fw_map_chip_to_name: > > > > > > > > > > using > > > > > > > > > > brcm/brcmfmac4339-sdio.bin for chip 0x00433 > > > > > > > > > > 9(17209) rev 0x000002 > > > > > > > > > > [ 19.335353] brcmfmac: > > > > > > > > > > brcmf_fw_get_firmwares_pcie > > > > > > > > > > enter: > > > > > > > > > > dev=mmc0:0001:1 > > > > > > > > > > [ 19.351787] brcmfmac: brcmf_fw_request_code_done > > > > > > > > > > enter: > > > > > > > > > > dev=mmc0:0001:1 > > > > > > > > > > [ 19.353202] brcmfmac: > > > > > > > > > > brcmf_fw_request_nvram_done > > > > > > > > > > enter: > > > > > > > > > > dev=mmc0:0001:1 > > > > > > > > > > [ 19.353424] brcmfmac: > > > > > > > > > > brcmf_sdio_firmware_callback > > > > > > > > > > Enter: > > > > > > > > > > dev=mmc0:0001:1, err=0 > > > > > > > > > > [ 19.353814] brcmfmac: > > > > > > > > > > brcmf_sdio_download_code_file > > > > > > > > > > Enter > > > > > > > > > > [ 19.388586] brcmfmac: brcmf_sdio_verifymemory > > > > > > > > > > Compare RAM > > > > > > > > > > dl & > > > > > > > > > > ul > > > > > > > > > > at 0x00180000; size=493599 > > > > > > > > > > [ 19.546675] brcmfmac: brcmf_sdio_download_nvram > > > > > > > > > > Enter > > > > > > > > > > [ 19.547432] brcmfmac: brcmf_sdio_verifymemory > > > > > > > > > > Compare RAM > > > > > > > > > > dl & > > > > > > > > > > ul > > > > > > > > > > at 0x0023f730; size=2256 > > > > > > > > > > [ 19.548665] brcmfmac: brcmf_chip_set_active > > > > > > > > > > Enter > > > > > > > > > > [ 20.562974] brcmfmac: brcmf_sdio_htclk: HT Avail > > > > > > > > > > timeout > > > > > > > > > > (1000000): > > > > > > > > > > clkctl 0x50 > > > > > > > > > > [ 20.570490] brcmfmac: > > > > > > > > > > brcmf_sdio_firmware_callback > > > > > > > > > > failed: > > > > > > > > > > dev=mmc0:0001:1, err=0 > > > > > > > > > > [ 20.570739] brcmfmac: brcmf_sdio_remove Enter > > > > > > > > > > [ 20.570775] brcmfmac: brcmf_detach Enter > > > > > > > > > > [ 20.610414] brcmfmac: brcmf_bus_change_state 0 > > > > > > > > > > -> 0 > > > > > > > > > > [ 20.610441] brcmfmac: brcmf_sdio_bus_stop Enter > > > > > > > > > > [ 21.622477] brcmfmac: brcmf_sdio_htclk: HT Avail > > > > > > > > > > timeout > > > > > > > > > > (1000000): > > > > > > > > > > clkctl 0x50 > > > > > > > > > > [ 21.630912] brcmfmac: brcmf_proto_detach Enter > > > > > > > > > > [ 21.630967] brcmfmac: brcmf_fweh_unregister > > > > > > > > > > event > > > > > > > > > > handler > > > > > > > > > > cleared > > > > > > > > > > for PSM_WATCHDOG > > > > > > > > > > [ 22.642457] brcmfmac: brcmf_sdio_htclk: HT Avail > > > > > > > > > > timeout > > > > > > > > > > (1000000): > > > > > > > > > > clkctl 0x50 > > > > > > > > > > [ 22.680131] brcmfmac: brcmf_chip_set_passive > > > > > > > > > > Enter > > > > > > > > > > [ 22.682580] brcmfmac: brcmf_sdio_remove > > > > > > > > > > Disconnected > > > > > > > > > > > > > > > > > > > Any suggestions on this? > > > > > > > > Sorry for not getting back to your earlier email. > > > > > > > > Thanks > > > > > > > > for the > > > > > > > > reminder. So you tried different firmwares, right? Can > > > > > > > > you > > > > > > > > provide > > > > > > > > output of the following command: > > > > > > > > > > > > > > > > $ strings firmware.bin | tail -1 > > > > > > > > > > > > > > > > for the firmwares you tried. > > > > > > > > > > > > > > > > Regards, > > > > > > > > Arend > > > > > > > Thanks for the reply! > > > > > > > > > > > > > > Here's the output: > > > > > > > > > > > > > > For Technexion firmware: > > > > > > > > > > > > > > # strings /lib/firmware/brcm/brcmfmac4339-sdio.bin | tail > > > > > > > -1 > > > > > > > 4339a0-roml/sdio-ag-pool-p2p-pno-pktfilter-keepalive-aoe- > > > > > > > sr- > > > > > > > mchan- > > > > > > > proptxstatus-lpc-tdls-autoabn-txbf- > > > > > > > rcc-wepso-okc-ndoe Version: 6.37.32.28 CRC: 3075f12e > > > > > > > Date: > > > > > > > Thu > > > > > > > 2014-04- > > > > > > > 03 12:15:31 CST FWID 01-4ae4ad > > > > > > > 03 > > > > > > > > > > > > > > For linux-firmware and Buildroot firmware: > > > > > > > > > > > > > > # strings /lib/firmware/brcm/brcmfmac4339-sdio.bin | tail > > > > > > > -1 > > > > > > > 4339a0-roml/sdio-ag-pool-autoabn-lpc Version: 6.37.34.28 > > > > > > > CRC: > > > > > > > a696897b > > > > > > > Date: Thu 2014-08-28 18:40:12 > > > > > > > PDT FWID 01-a13120fc > > > > > > > > > > > > > > In both cases, I am using the nvram provided by > > > > > > > Technexion. > > > > > > That should be fine. > > > > > > > > > > > > Can you try the patch below. It would give me more info on > > > > > > state of > > > > > > firmware. > > > > > > > > > > > > Regards, > > > > > > Arend > > > > > > > > > > > > diff --git > > > > > > a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > > > > b/drivers/ne > > > > > > index f355612..631c5cb 100644 > > > > > > --- > > > > > > a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > > > > +++ > > > > > > b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > > > > @@ -828,8 +828,27 @@ static int brcmf_sdio_htclk(struct > > > > > > brcmf_sdio > > > > > > *bus, > > > > > > bool on, > > > > > > return -EBADE; > > > > > > } > > > > > > if (!SBSDIO_CLKAV(clkctl, bus- > > > > > > >alp_only)) { > > > > > > + struct brcmf_core *pmu = > > > > > > brcmf_chip_get_pmu(bus->ci); > > > > > > + u32 regaddr; > > > > > > + u32 val; > > > > > > + > > > > > > brcmf_err("HT Avail timeout > > > > > > (%d): > > > > > > clkctl > > > > > > 0x%02x\n", > > > > > > PMU_MAX_TRANSITION_DLY > > > > > > , > > > > > > clkctl); > > > > > > + > > > > > > + /* DEBUG INFO */ > > > > > > + regaddr = CORE_CC_REG(pmu->base, > > > > > > pmucontrol); > > > > > > + val = brcmf_sdiod_regrl(bus- > > > > > > >sdiodev, > > > > > > regaddr, > > > > > > &err); > > > > > > + brcmf_err(" pmucontrol = > > > > > > %08x\n", > > > > > > val); > > > > > > + regaddr = CORE_CC_REG(pmu->base, > > > > > > pmustatus); > > > > > > + val = brcmf_sdiod_regrl(bus- > > > > > > >sdiodev, > > > > > > regaddr, > > > > > > &err); > > > > > > + brcmf_err(" pmustatus = > > > > > > %08x\n", > > > > > > val); > > > > > > + regaddr = CORE_CC_REG(pmu->base, > > > > > > min_res_mask); > > > > > > + val = brcmf_sdiod_regrl(bus- > > > > > > >sdiodev, > > > > > > regaddr, > > > > > > &err); > > > > > > + brcmf_err(" min_res_mask = > > > > > > %08x\n", > > > > > > val); > > > > > > + regaddr = CORE_CC_REG(pmu->base, > > > > > > max_res_mask); > > > > > > + val = brcmf_sdiod_regrl(bus- > > > > > > >sdiodev, > > > > > > regaddr, > > > > > > &err); > > > > > > + brcmf_err(" max_res_mask = > > > > > > %08x\n", > > > > > > val); > > > > > > + > > > > > > return -EBADE; > > > > > > } > > > > > > > > > > > > > > > > > Here's the output for both firmwares: > > > > > > > > > > Technexion: > > > > > # dmesg | grep brcmfmac > > > > > [ 5.307067] brcmfmac: brcmf_fw_map_chip_to_name: using > > > > > brcm/brcmfmac4339-sdio.bin for chip 0x00433 > > > > > 9(17209) rev 0x000002 > > > > > [ 6.400792] brcmfmac: brcmf_sdio_htclk: HT Avail timeout > > > > > (1000000): > > > > > clkctl 0x50 > > > > > [ 6.408444] brcmfmac: brcmf_sdio_htclk: pmucontrol = > > > > > 01774381 > > > > > [ 6.415595] brcmfmac: brcmf_sdio_htclk: pmustatus = > > > > > 0000002a > > > > > [ 6.421915] brcmfmac: brcmf_sdio_htclk: min_res_mask = > > > > > 0fcaff77 > > > > > [ 6.428124] brcmfmac: brcmf_sdio_htclk: max_res_mask = > > > > > 0fceff77 > > > > > [ 7.482668] brcmfmac: brcmf_sdio_htclk: HT Avail timeout > > > > > (1000000): > > > > > clkctl 0x50 > > > > > [ 7.490214] brcmfmac: brcmf_sdio_htclk: pmucontrol = > > > > > 01774381 > > > > > [ 7.496414] brcmfmac: brcmf_sdio_htclk: pmustatus = > > > > > 0000002a > > > > > [ 7.503873] brcmfmac: brcmf_sdio_htclk: min_res_mask = > > > > > 0fcaff77 > > > > > [ 7.510182] brcmfmac: brcmf_sdio_htclk: max_res_mask = > > > > > 0fceff77 > > > > > # strings /lib/firmware/brcm/brcmfmac4339-sdio.bin | tail -1 > > > > > 4339a0-roml/sdio-ag-pool-p2p-pno-pktfilter-keepalive-aoe-sr- > > > > > mchan- > > > > > proptxstatus-lpc-tdls-autoabn-txbf- > > > > > rcc-wepso-okc-ndoe Version: 6.37.32.28 CRC: 3075f12e Date: > > > > > Thu > > > > > 2014-04- > > > > > 03 12:15:31 CST FWID 01-4ae4ad > > > > > 03 > > > > > > > > > > Buildroot: > > > > > # dmesg | grep brcmfmac > > > > > [ 5.343118] brcmfmac: brcmf_fw_map_chip_to_name: using > > > > > brcm/brcmfmac4339-sdio.bin for chip 0x00433 > > > > > 9(17209) rev 0x000002 > > > > > [ 6.420070] brcmfmac: brcmf_sdio_htclk: HT Avail timeout > > > > > (1000000): > > > > > clkctl 0x50 > > > > > [ 6.427722] brcmfmac: brcmf_sdio_htclk: pmucontrol = > > > > > 01774381 > > > > > [ 6.434865] brcmfmac: brcmf_sdio_htclk: pmustatus = > > > > > 0000002a > > > > > [ 6.441174] brcmfmac: brcmf_sdio_htclk: min_res_mask = > > > > > 0fcaff77 > > > > > [ 6.447379] brcmfmac: brcmf_sdio_htclk: max_res_mask = > > > > > 0fceff77 > > > > > [ 7.502653] brcmfmac: brcmf_sdio_htclk: HT Avail timeout > > > > > (1000000): > > > > > clkctl 0x50 > > > > > [ 7.510200] brcmfmac: brcmf_sdio_htclk: pmucontrol = > > > > > 01774381 > > > > > [ 7.516398] brcmfmac: brcmf_sdio_htclk: pmustatus = > > > > > 0000002a > > > > > [ 7.523826] brcmfmac: brcmf_sdio_htclk: min_res_mask = > > > > > 0fcaff77 > > > > > [ 7.530117] brcmfmac: brcmf_sdio_htclk: max_res_mask = > > > > > 0fceff77 > > > > > # strings /lib/firmware/brcm/brcmfmac4339-sdio.bin | tail -1 > > > > > 4339a0-roml/sdio-ag-pool-autoabn-lpc Version: 6.37.34.28 CRC: > > > > > a696897b > > > > > Date: Thu 2014-08-28 18:40:12 > > > > > PDT FWID 01-a13120fc > > > > Thanks for the info. The pmustatus indeed shows there is no HT > > > > clock for > > > > the backplane. Will have to discuss with h/w guys. Meanwhile, > > > > can > > > > you > > > > try the patch below. It will create a memory dump of the device > > > > using > > > > the dev_coredump framework, ie. under /sys/class/devcoredump/. > > > > It > > > > will > > > > probably create two dumps as the error occurs twice during > > > > probe. > > > > Just > > > > sent me the first or put it somewhere on internet so I can > > > > download > > > > it > > > > and have a look at it. > > > with patch :-( > > > > > > diff --git > > > a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > b/drivers/ne > > > index f355612..f7ded91 100644 > > > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c > > > @@ -830,6 +830,11 @@ static int brcmf_sdio_htclk(struct > > > brcmf_sdio > > > *bus, > > > bool on, > > > if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { > > > brcmf_err("HT Avail timeout (%d): > > > clkctl > > > 0x%02x\n", > > > PMU_MAX_TRANSITION_DLY, > > > clkctl); > > > + > > > + /* DEBUG INFO */ > > > + brcmf_debug_create_memdump(bus->sdiodev- > > > > > > > > bus_if, > > > + NULL, 0); > > > + > > > return -EBADE; > > > } > > > > > > > > I am applying this patch and apparently the dumps are not created. > > > > # ls /sys/class/devcoredump/ > > disabled > > > > Is there something else I need to modify? I am using mainline > > kernel. > You need to build brcmfmac with CONFIG_BRCMDBG set in Kconfig. Not > sure > if you already have that. I assume a cat of that 'disabled' file > with > show '0'. > > Regards, > Arend > Sorry for the delayed answer, I had some trouble to copy the symlinks files corretly from /sys/class/devcoredump. I uploaded this folder to: https://drive.google.com/open?id=1fosahjLN1K I5NKS59_aPZdHLpENPFHtK Thanks! Regards, Vanessa