From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from helium.openadk.org (helium.openadk.org [89.238.66.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3CA1535C68A for ; Sat, 15 Aug 2026 06:13:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=89.238.66.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786774388; cv=none; b=BqnXV6uepg9aG3QJEu1dLW4HJLkU0IxV1DMIIHFceB5pqIDbDIs79ASUs4GY3Z77cG8PPExbq/KMOOblppYivq+huJ/KEP3kcsSc8fzCWPs6W6xEtwQz7s9wRPzBWmasuEfP6FbGSrGok9P13FjmJ7Er4MEuEfR0jahq+aM5LOA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786774388; c=relaxed/simple; bh=SEzKY8R5H+RvKE49WK5pGACtOudhMUJI/dXCW4Svb2Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TY+Yu7oSJvKEQzZeL4RzQssovIiKHp6dxk3ayMgdb/SWyO4HaX8o3mr8WEUbDDrvjERpcYwiys60/2xla8Jgp1e5vDQ7cBlo1SREsGwQDjH3O0u5Ef0mDasW4R2K6uGlKFvpCktQ3vVHlKwwj7X5PW1TVinjaZFabwp8avI+Vos= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openadk.org; spf=pass smtp.mailfrom=openadk.org; dkim=fail (0-bit key) header.d=openadk.org header.i=@openadk.org header.b=naWjTo73 reason="key not found in DNS"; arc=none smtp.client-ip=89.238.66.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openadk.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=openadk.org Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=openadk.org header.i=@openadk.org header.b="naWjTo73" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=openadk.org; s=2022; t=1786774378; bh=SEzKY8R5H+RvKE49WK5pGACtOudhMUJI/dXCW4Svb2Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=naWjTo73Ogbh5M7ngzGRWttm2L7Y26gaqPOusESIfix+4ckczTc4EWk9/VUAuCjD/ uwfvLn2QHMEtSmWtdeP2kjMBxVuoeTz7dOfEn2mq7mYY3znjnOazEfhRRkKyS2Ijbm xLhv+9znwzPZ6mIHfjj50HAAYp/Og9E01DNhtDUFLic1XprpWJD2QGMTMLwon9h1K+ /WqeHbdVAR8q5S2x8NKhM3Fb+DvRUohkmqjlMHFA6UbIqrtmJoS816P0ip6aM4NoVm GragjU9ZKDekxUg1q5Js1vmjQUP5L8ecocRPFhMpg30wDJdhBbjBTToq1kmEnn8VRk SQm5lUhA9A11Q== Received: by helium.openadk.org (Postfix, from userid 1000) id E22DA31E0C1E; Sat, 15 Aug 2026 08:12:58 +0200 (CEST) Date: Sat, 15 Aug 2026 08:12:58 +0200 From: Waldemar Brodkorb To: "Dembianny Sven (BSH GDE-EDSD7)" Cc: Waldemar Brodkorb , Michael Nazzareno Trimarchi , =?utf-8?B?RnJhbsOnb2lz?= Galea , "connman@lists.linux.dev" Subject: Re: Connection to a WPA2 Wi-Fi router fails Message-ID: References: <9ad68361-98cd-42d1-80b0-7f7cbe6b73cf@free.fr> Precedence: bulk X-Mailing-List: connman@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Operating-System: Linux 6.12.96+deb13-amd64 x86_64 Hi Sven, but without even the possibility to scan I am not able to reproduce the initial bug anymore. Do you have an idea why connmanctl scan wifi fails for me? I use Buildroot master (tried arm and aarch64), enable the wifi firmware and connman. After booting with the SD card I stop connmand /etc/init.d/S45connman stop modprobe brcmfmac /etc/init.d/S45connman start connmanctl enable wifi connmanctl scan wifi Error /net/connman/technology/wifi: Not supported When I add -d for debug information before I start connmand, I see in the log that wlan0 is recognized: Jan 1 00:01:11 buildroot daemon.info connmand[232]: Adding interface eth0 [ ethernet ] Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/technology.c:technology_find() type 2 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/rtnl.c:rtnl_message() NEWLINK len 1476 type 16 flags 0x0002 seq 0 pid 232 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/ipconfig.c:__connman_ipconfig_newlink() index 3 Jan 1 00:01:11 buildroot daemon.info connmand[232]: wlan0 {create} index 3 type 1 Jan 1 00:01:11 buildroot daemon.info connmand[232]: wlan0 {update} flags 4098 Jan 1 00:01:11 buildroot daemon.info connmand[232]: wlan0 {newlink} index 3 address E4:5F:01:16:5A:26 mtu 1500 Jan 1 00:01:11 buildroot daemon.info connmand[232]: wlan0 {newlink} index 3 operstate 2 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/detect.c:detect_newlink() type 1 index 3 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/device.c:connman_device_create() node e45f01165a26 type 2 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/device.c:connman_device_create() device 0x5599d3a8f0 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/device.c:connman_device_set_string() device 0x5599d3a8f0 key Address value E4:5F:01:16:5A:26 Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/device.c:connman_device_register() device 0x5599d3a8f0 name Wireless Jan 1 00:01:11 buildroot daemon.info connmand[232]: Adding interface wlan0 [ wifi ] Jan 1 00:01:11 buildroot daemon.debug connmand[232]: src/technology.c:technology_find() type 3 Any idea? best regards Waldemar Dembianny Sven (BSH GDE-EDSD7) wrote, > Hi Waldemar, > > yes, that seems reasonable. We need additional information to better understand what is happening. > Could you please provide a wpa_supplicant log with debug logging enabled? > > Best regards, Sven > > -----Original Message----- > > From: Waldemar Brodkorb > > Sent: Dienstag, 11. August 2026 19:30 > > To: Dembianny Sven (BSH GDE-EDSD7) > > Cc: Michael Nazzareno Trimarchi ; François Galea ; > > connman@lists.linux.dev; wbx@openadk.org > > Subject: Re: Connection to a WPA2 Wi-Fi router fails > > > > Hi Sven, > > Dembianny Sven (BSH GDE-EDSD7) wrote, > > > > > Hi Waldemar, > > > > > > > > Hi Sven, > > > > Dembianny Sven (BSH GDE-EDSD7) wrote, > > > > > > > > > Hi Michael, > > > > > > > > > > I don't think so, e.g., if AP does not support SAE but repeater does, roaming will fail. > > > > > This will also break certification tests. > > > > > > > > > > @ François do you have more info about your setup, e.g. MFP > > > > > setting on AP/wpa_supplicant > > > > config/WPA-PSK-SHA256 instead of WPA-PSK? > > > > > > > > Sorry for the late reply. Francois seems not to answered your > > > > question and I see no fixes for this problem in GIT master either. > > > > > > > > My AP is a standard Vodafone AP with WPA2. > > > > How can I give you better information about the details of this AP? > > > What model is being used? > > > > Vodafone Wifi 6. > > It is this one: > > https://www.vodafone.de/download > > area%2FCGA6444VF-DMS3-CTC-25- > > 593_v2.0_German_public_20210511.pdf&data=05%7C02%7Csven.dembianny%40bshg.com%7C59663c > > 7c2d2d49ac217508def7ce2d13%7C0ae51e1907c84e4bbb6d648ee58410f4%7C0%7C0%7C63922066219 > > 4440574%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJ > > XaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ycBjQxmEPcxuLgXBXIMrjCg > > OsU9mHQ%2B%2B%2B%2BOcVwvkfTg%3D&reserved=0 > > > > > It is possible that MFP is additionally configured as optional. Could you please check the AP settings > > or the beacon frames? > > > > It seems not. > > See: > > sudo iw dev wlan0 scan | grep -A20 -B2 'Vodafone-C30C' > > last seen: 84 ms ago > > Information elements from Probe Response frame: > > SSID: Vodafone-C30C > > Supported rates: 1.0* 2.0* 5.5* 11.0* 18.0 24.0 36.0 54.0 > > DS Parameter set: channel 11 > > Country: DE Environment: Indoor/Outdoor > > Channels [1 - 13] @ 20 dBm > > TPC report: TX power: 18 dBm > > ERP: Barker_Preamble_Mode > > Extended supported rates: 6.0 9.0 12.0 48.0 > > RSN: * Version: 1 > > * Group cipher: CCMP > > * Pairwise ciphers: CCMP > > * Authentication suites: PSK > > * Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c) > > BSS Load: > > * station count: 2 > > * channel utilisation: 31/255 > > * available admission capacity: 0 [*32us] > > RM enabled capabilities: > > Capabilities: 0x72 0x00 0x00 0x00 0x00 > > Neighbor Report > > Beacon Passive Measurement > > -- > > signal: -72.00 dBm > > last seen: 3208 ms ago > > SSID: Vodafone-C30C > > Supported rates: 6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0 > > TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0 > > Country: DE Environment: Indoor/Outdoor > > Channels [36 - 64] @ 23 dBm > > Channels [100 - 140] @ 30 dBm > > Power constraint: 0 dB > > TPC report: TX power: 23 dBm > > RSN: * Version: 1 > > * Group cipher: CCMP > > * Pairwise ciphers: CCMP > > * Authentication suites: PSK > > * Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c) > > BSS Load: > > * station count: 6 > > * channel utilisation: 6/255 > > * available admission capacity: 0 [*32us] > > RM enabled capabilities: > > Capabilities: 0x72 0x00 0x00 0x00 0x00 > > Neighbor Report > > Beacon Passive Measurement > > > > > > > Also, what firmware version is running on the Raspberry Pi 4? The firmware files should be located > > under: > > > /lib/firmware/ > > > > That is the dmesg output after loading the Wifi driver in Buildroot: > > [ 249.369934] brcmfmac: F1 signature read @0x18000000=0x15264345 [ 249.373427] brcmfmac: > > brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 249.382449] usbcore: > > registered new interface driver brcmfmac [ 249.618723] brcmfmac: brcmf_c_process_txcap_blob: no > > txcap_blob available (err=-2) [ 249.626771] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 > > wl0: Aug 29 2023 01:47:08 version 7.45.265 (28bca26 CY) FWID 01-b677b91b > > > > But at the moment I am fighting with connmanctl, it seems I cannot scan wifi anymore: > > # connmanctl scan wifi > > Error /net/connman/technology/wifi: Not supported # connmanctl enable wifi wifi is already enabled # > > connmanctl scan wifi Error /net/connman/technology/wifi: Not supported # connmanctl technologies > > /net/connman/technology/ethernet > > Name = Wired > > Type = ethernet > > Powered = True > > Connected = False > > Tethering = False > > TetheringFreq = 2412 > > /net/connman/technology/wifi > > Name = WiFi > > Type = wifi > > Powered = True > > Connected = False > > Tethering = False > > TetheringFreq = 2412 > > > > I can scan wifi with iw on the RPI4. > > > > best regards > > Waldemar > > >