Brcmfmac Hostapd, Feb 3, 2026 · Driver: brcmfmac (built-in WiFi) Use case: Running hostapd as WiFi access point Frequency: Approximately every 15-16 days uptime Impact: Complete system freeze requiring hard reboot Crash Details Error: NULL pointer dereference at virtual address 0x0000000000000000 Crash location: pc : brcmf_p2p_send_action_frame+0x23c/0xc58 [brcmfmac] Oct 12, 2019 · i have loading driver modules for my wifi AP6212(BRCM43430),when i ifconfig wlan0 up and start up the hostapd service i can find the hotpot, but when i running a application of video in and out to lcd with mcu of hisi3519v101, the hotpot will disappeared immediately. 66-Re4son-v7+ #1 SMP Sun Aug 18 22:25:39 AEST 2019 armv7l GNU/Linux Driver: brcmfmac hostapd (Deb package): 2:2. Support, as has been evident over the Only solution in my case was to upgrade Google Play services to version >=11. So I uninstalled the "official" hostapd and tried the Armbian one : now hostapd works with the sample configuration file you provide but it doesn't with the one (attached) I've successfully used until Jan 12, 2025 · and reloaded the brcmfmac brcmfmac_wcc modules using modprobe. me/#wifi-access-point-in-debian - hostapd 1 I'm trying to setup a WiFi Access Point with a Raspberry Pi 3B+ having 802. All hostapd tuning options (disassoc_low_ack=0, beacon_int Don't worry, it was a surprise to me recently too - until then, I'd been custom compiling a realtek hostapd and driver, but sometime recently that just stopped being necessary. ABelliqueux changed the title BCM4345 (Rpi 3+,Rpi 4 ) - CTRL-EVENT-ASSOC-REJECT when using SWSUP and brcmfmac BCM4345 (Rpi 3+,Rpi 4 ) - CTRL-EVENT-ASSOC-REJECT on WPA2 AP when using SWSUP and brcmfmac on Jan 11, 2023 Hi I'm using your latests brcmfmac firmware (released 15. The bus layer supports SDIO, USB, and PCIe. Specifically, it lacks support for 40Mhz channel width, limiting wifi to 72 Mbps. com/RPi-Distro/firmware-nonfree I am trying to get NanoPi Neo to work with a Murata 2AE module Over USB. i have loading driver modules for my wifi AP6212(BRCM43430),when i ifconfig wlan0 up and start up the hostapd service i can find the hotpot, but when i running a application of video in and out to lcd with mcu of hisi3519v101, the hotpot will disappeared immediately. . also i try to start up the appl Why do you need a patched kernel? Isn’t it just sufficient to use a recent (>=2. 0. also i try to start up the appl Jan 17, 2019 · I use hostapd from official Debian repo (2:2. Languages using left-hand whitespace for syntax are ridiculous DMs sent on Bluesky or by LinkedIn will be answered next month. 11n mode correctly. a. Sep 3, 2025 · The hostapd service running on a Raspberry Pi 4 segfault due to a kernel panic (a NULL pointer dereference in the brcmfmac Wi-Fi driver). 4 & hostapd version 2. Fake doctors - are all on my foes list. Thanks for the update - a very interesting data point. The crash occurs shortly after a Wi-Fi client (in this case, an iPhone) sends a specific action frame include ANQP to the AP. Raspberry Pi Firmware Issue #1463 — WiFi firmware brcmfmac crashes when using virtual AP interface Raspberry Pi Linux Issue #7033 — Kernel crash in brcmfmac driver when hostapd is running Pi Forum — Pi 3 internal WiFi adaptor stopping when used as AP StackExchange — Make iw wlan0 set power_save off permanent 🏁 まとめ 状況 対策 ifx-linux-wireless. hostapd_cli -i wlan0 -p /tmp/hostapd/ hostapd Dec 14, 2025 · Background / Overview What the bug is and why it matters CVE‑2025‑39863 is a kernel use‑after‑free in the brcmfmac driver, caused by a timing/race issue between the brcmf_btcoex_timerfunc () timer handler and the brcmf_btcoex_detach () teardown path. Contribute to Infineon/ifx-linux-wireless development by creating an account on GitHub. 84-sunxi) to Armbian Stretch 5. 19. 13-sunxi), I can't get hostapd to work on my Cubietruck. k. 11ac 5Ghz in access point mode? This is my hostapd. 60 (kernel 4. Please note: I don’t use this add-on. And it connected! This is the only way it would connect, but the issue persisted after a restart. 9-1 armel During the 4-Way Handshake, wpa_supplicant immediatly disconnects at the 3/4 msg, with following logs: Is this the right place for my bug report? It might be related to brcmfmac firmware. 73. 11w enabled. This allowed the device to be recognized, but unable to load a driver Installed linux-firmware. Regards. Hello, since I upraded from Armbian Strech 5. The Murata module uses the Infineon CYW4373 chipset. roamoff=1 brcmfmac. Now the devic Hostapd The mac80211 subsystem moves all aspects of master mode (a. 243266] brcmfmac: brcmf_fw_alloc_request: using b (Hostapd) in hostapd root directory, have a build time configuration file, # . I did further testing on how this firmware halt Dec 13, 2017 · $ lsmod Module Size Used by brcmfmac 209662 0 brcmutil 8504 1 brcmfmac cfg80211 236740 1 brcmfmac compat 2028 2 brcmfmac,cfg80211 Start the hostapd by following command. 14. Jan. txt. 002317] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 2. To reproduce Run hostapd using the foll When the built-in Broadcom Wi-Fi (brcmfmac) on Raspberry Pi is used as an access point in bridge mode (br0), low-power clients like the Eve Outdoor Cam (HomeKit) associate successfully but disconnect after ~3–5 s, repeating indefinitely. Although similar the brcmfmac driver has been reworked significantly. 2020), with a Murata 1MW module with 43455 chipset. 2 01 7 101 7) Fix Xen support in the x86/generic subtarget, add Xen support in the x86/64 subtarget Assorted platform fixes for ar71xx, bcm53xx, ramips and x86 Reliable hostapd init script - example with brcmfmac driver in GB region - See http://skl. 74 in all the android devices connecting to the rpi hostapd wifi. When I modprobe the brcmfmac module, I get the following lines with dmesg: [134591. Can anybody explain to me how to do it? The reason is I'm runn Hass. So far I have: Rebuilt the kernel with CONFIG_BRCMFMAC_USB=y. It was made couple of years ago so it may not be accurate. The timer handler sets a flag that can be observed by the detach routine; if detach skips a required timer shutdown call because of that Security fixes to brcmfmac, hostapd, mac80211, toolchain/gdb and the Linux kernel Introduce latest version of the Wireguard VPN software (0. io Access Point Create an access point on your Raspberry Pi (and potentially) other devices from HAOS. sudo hostapd . Describe the bug The wifi driver does not intialize 802. feature_disable=0x282000 to my cmdline. Useful for off-grid & standalone installations, or areas without Wi-Fi coverage. config, and build hostapd and hostapd_cli cd hostapd cp defconfig . /hostapd. AP mode) into user space, thus it depends on hostapd (also read Hostapd) to Hi, Does rpi 3 b+ support 802. In the figure below the layering of the brcmfmac is shown. conf -B The "hostapd_cli" command line tool shall be used to debug/get configuration details of hostapd. 9. 7) hostapd that for Raspbian likely needs to be built from source but without custom non-Debian/Raspbian patches? Just making sure I understand. 4-1+deb9u2), not the Armbian one, and it still doesn't work with module brcmfmac and ARMBIAN 5. Hope this helps to anybody encountering this nasty issue. [ 2. We do it because running wpa_supplicant without hostapd is very complicated and may result in a total crash of the brcmfmac wifi driver, I have seen that on my tests. conf, which was succesfuly tested b I've added both brcmfmac. conf ssid=ap wpa_passphrase=password country_code=GB # ieee80211d=1 # ieee80211h=1 interface=wlan0 driver=nl80211 wp The brcmfmac driver is based on the DHD driver, which is also released in AOSP under the name bcmdhd. Raul. I am using the firmware from https://github. config make clean make #4. 002497] usbcore: registered new interface driver brcmfmac I need to either blacklist or purge the broadcom driver brcmfmac in order to disable a broadcom wifi/bluetooth adapter in my system. The platform I'm using is a iMX6 with Linux kernel 5. WPA2 is working fine already, but for WPA3 I'm missing an example hostap. This was initially a fork of a hassio-hostapd but the PR is still pending, so I created this new add-on with some extra features. Kernel version: Linux efb-ap-0 4. Software guy, working in the applications team. Checking the journalctl, this resulted in the firmware crashing or 'haulting', so i removed the brcmfmac module and removed the symlink I then loaded brcmfmac and ran nmcli to connect. The use of crystal balls and mind reading is prohibited. 70 (kernel 4. gyoxh, njdn, ekq5c, zxuen, 4zkiu, j5uxv, adeopn, ix1tif, mzgf2, ly3nvj,