Re: brcm43430 sdio wifi regression with 4.13-rc1

["russianneuromancer@ya.ru" <russianneuromancer@ya.ru>]

Hello!

> There are three patches currently in wireless tree, maybe also in netdev tree, which will probably be included in 4.13-rc4 fixing the issue below.

With Linux 4.13rc4 issue is no longer reproducible on Lenovo Miix2 8.

03.08.2017, 05:05, "Arend van Spriel" <arend.vanspriel@broadcom.com>:
> On 02-08-17 22:43, russianneuromancer@ya.ru wrote:
>>  Hello!
>>
>>  Sorry for late answer.
>>
>>>  russianneuromancer has reported seeing a similar problem with 4.13.
>>
>>>  russianneuromancer, can you check if the device you are seeing this with
>>  also has a brcm43430 sdio wifi and if so if switching to:
>>
>>>  http://jwrdegoede.danny.cz/brcm-firmware/brcmfmac43430-sdio.bin.7.45.77.0.ucode1043.2054
>>
>>>  Fixes this ?
>>
>>  Judging by this error message
>>
>>>  [ 7.744262] brcmfmac mmc0:0001:1: Direct firmware load for brcm/brcmfmac43241b4-sdio.txt failed with error -2
>>
>>  Lenovo Miix2 8 have brcm43241b4 sdio wifi.
>>
>>  With brcmfmac43241b4-sdio.txt from NVRAM, as suggested here https://wireless.wiki.kernel.org/en/users/drivers/brcm80211 WiFi connection works for me with upstream Linux 4.12.4, but doesn't work with Linux 4.13rc1 and Linux 4.13rc3.
>
> Yeah. There are three patches currently in wireless tree, maybe also in
> netdev tree, which will probably be included in 4.13-rc4 fixing the
> issue below.
>
> Regards,
> Arend
>
>>  Few connection attempts with Linux 4.13rc3 looks like this:
>>
>>>  [ 7.779370] usbcore: registered new interface driver brcmfmac
>>>  [ 7.948487] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Jul 17 2013 07:36:07 version 6.10.197.71 (r412987) FWID 01-882d2634
>>>  [ 32.282374] brcmfmac: brcmf_p2p_create_p2pdev: set p2p_disc error
>>>  [ 32.282393] brcmfmac: brcmf_cfg80211_add_iface: add iface p2p-dev-wlan0 type 10 failed: err=-16
>>>  [ 43.560596] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 44.494422] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 45.492956] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 46.491317] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 54.922652] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 55.849565] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 56.849437] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 57.853150] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 66.542999] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 67.483115] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>>  [ 68.483434] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x0
>>
>>  23.07.2017, 02:44, "Hans de Goede" <hdegoede@redhat.com>:
>>>  Hi,
>>>
>>>  When upgrading my devel environment to 4.13-rc1+ I noticed that
>>>  the brcm43430 sdio wifi on a Chuwi Hi8 plus stopped working:
>>>
>>>  jul 22 14:13:23 localhost.localdomain kernel: brcmfmac: brcmf_sdio_probe: Loading firmware brcm/brcmfmac43430-sdio.bin for chip 0000a9a6 rev 00000001
>>>  jul 22 14:13:23 localhost.localdomain kernel: usbcore: registered new interface driver brcmfmac
>>>  jul 22 14:13:23 localhost.localdomain kernel: brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Aug 29 2016 20:48:16 version 7.45.41.26 (r640327) FWID 01-4527cfab
>>>  jul 22 14:13:23 localhost.localdomain kernel: brcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012
>>>  jul 22 14:13:26 localhost.localdomain kernel: brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
>>>  jul 22 14:13:28 localhost.localdomain kernel: brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
>>>  jul 22 14:13:31 localhost.localdomain kernel: brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
>>>  <repeats>
>>>
>>>  The real culprit here seems to be:
>>>
>>>  jul 22 14:13:23 localhost.localdomain kernel: brcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012
>>>
>>>  I've tried reverting allmost all changes under drivers/net/wireless/broadcom/brcm80211
>>>  as well as those under drivers/mmc, but that did not help.
>>>
>>>  Googling for the "Unknown mailbox data content" error found some Raspberry Pi 3
>>>  related comments where users report success with a different firmware version
>>>  from: https://android.googlesource.com/platform/hardware/broadcom/wlan/+/master/bcmdhd/firmware/bcm4343/
>>>
>>>  So I tried that as well as a version extracted from the Android install
>>>  on the tablet and both work fine, only the "version 7.45.41.26" which
>>>  happens to be the one in linux-firmware causes this problem, I've put
>>>  all (Linux build, not NDIS) versions I could find here:
>>>
>>>  http://jwrdegoede.danny.cz/brcm-firmware/
>>>
>>>  I've the feeling that the 7.45.41.26 version is a bit buggy / suspect to
>>>  certain timing problems and 4.13 just happens to trigger those timing
>>>  conditions...
>>>
>>>  russianneuromancer has reported seeing a similar problem with 4.13.
>>>
>>>  russianneuromancer, can you check if the device you are seeing this with
>>>  also has a brcm43430 sdio wifi and if so if switching to:
>>>
>>>  http://jwrdegoede.danny.cz/brcm-firmware/brcmfmac43430-sdio.bin.7.45.77.0.ucode1043.2054
>>>
>>>  Fixes this ?
>>>
>>>  Regards,
>>>
>>>  Hans