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@xxxxxxxxxxxx>: > On 02-08-17 22:43, russianneuromancer@xxxxx 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@xxxxxxxxxx>: >>> 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