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[80.56.215.227]) by smtp.gmail.com with ESMTPSA id pj24-20020a170906d79800b00925867d821fsm1692889ejb.120.2023.03.14.16.21.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Mar 2023 16:21:31 -0700 (PDT) From: Arend Van Spriel To: Michael Stapelberg CC: Kalle Valo , Franky Lin , "Pieter-Paul Giesberts" , Hante Meuleman , Date: Wed, 15 Mar 2023 00:21:29 +0100 Message-ID: <186e26dc0a8.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com> In-Reply-To: References: <186e23b5668.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com> User-Agent: AquaMail/1.43.0 (build: 104300275) Subject: Re: wifi breakage due to commit "wifi: brcmfmac: add support for vendor-specific firmware api" MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000faab6f05f6e47c88" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org --000000000000faab6f05f6e47c88 Content-Type: text/plain; format=flowed; charset="us-ascii" Content-Transfer-Encoding: 8bit On March 14, 2023 11:49:05 PM Michael Stapelberg wrote: > Of course, find it attached. Thanks. Strange. Could it be there is some build config needed to install the additional kernel modules (brcmfmac-wcc.ko, etc.) on RPi image? Regards, Arend > > On Tue, 14 Mar 2023 at 23:26, Arend Van Spriel > wrote: >> >> On March 14, 2023 8:39:05 PM Michael Stapelberg >> wrote: >> >>> Hey Arend >>> >>> I recently bisected a user-reported WiFi breakage on the Raspberry Pi >>> 3B+ to your commit >>> https://github.com/torvalds/linux/commit/d6a5c562214f26e442c8ec3ff1e28e16675d1bcf >>> https://lore.kernel.org/r/20221129135446.151065-4-arend.vanspriel@broadcom.com >>> >>> On our end, the issue was reported here: >>> https://github.com/gokrazy/wifi/issues/3 >>> >>> As of Linux 6.2.6, this seems to still be unfixed, so I wanted to >>> check in and see if you could take a look please? >> >> I have a suspicion, but can you provide the kernel .config file so I can >> see if I am on the right track. >> >>> + brcmfmac: brcmf_fwvid_request_module: mod=wcc: failed -2 >>> + ieee80211 phy0: brcmf_attach: brcmf_fwvid_attach failed >>> + brcmfmac: brcmf_sdio_firmware_callback: brcmf_attach failed >> >> Regards, >> Arend 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