I recalled trying the firmware in 16.04 (.5?) and it worked. You can boot from USB and copy brcmfmac4356-pcie.bin.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1772624 Title: Broadcom BCM4356 wifi chipset firmware is not working Status in linux-firmware package in Ubuntu: Confirmed Bug description: Hello, After upgrading to Ubuntu 18.04 I got an issue with the wifi chipset (Broadcom BCM4356) not initializing properly. Here is the error I got when loading the driver brcmfmac: ``` [ 8189.092819] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac4356-pcie.bin for chip 0x004356(17238) rev 0x000002 [ 8189.093100] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.txt failed with error -2 [ 8191.568544] brcmfmac: brcmf_msgbuf_query_dcmd: Timeout on response for query command [ 8191.568562] brcmfmac: brcmf_c_preinit_dcmds: Retreiving cur_etheraddr failed, -5 [ 8191.568570] brcmfmac: brcmf_bus_started: failed: -5 [ 8191.568588] brcmfmac: brcmf_pcie_attach_bus: dongle is not responding ``` As seen here https://answers.launchpad.net/ubuntu/+question/668329, I reverted to the previous linux-firmware version and then the wifi chipset is working: Previous firmware package: https://packages.ubuntu.com/artful-updates /linux-firmware ``` [10087.698214] brcmfmac: brcmf_fw_map_chip_to_name: using brcm/brcmfmac4356-pcie.bin for chip 0x004356(17238) rev 0x000002 [10087.698634] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.txt failed with error -2 [10088.104176] brcmfmac 0000:04:00.0: Direct firmware load for brcm/brcmfmac4356-pcie.clm_blob failed with error -2 [10088.104186] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available(err=-2), device may have limited channels available [10088.105170] brcmfmac: brcmf_c_preinit_dcmds: Firmware version = wl0: Oct 22 2015 06:16:41 version 7.35.180.119 (r594535) FWID 01-1a5c4016 [10088.179872] brcmfmac 0000:04:00.0 wlp4s0: renamed from wlan0 ``` The problem seems to have been reported to the linux-wireless mailing list but no fix has been committed apparently : https://www.spinics.net/lists/linux-wireless/msg168687.html System information: Description: Ubuntu 18.04 LTS Release: 18.04 linux-image-4.15.0-20-generic: Installé : 4.15.0-20.21 Candidat : 4.15.0-20.21 Table de version : *** 4.15.0-20.21 500 500 http://fr.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status linux-firmware: Installé : 1.173 Candidat : 1.173 Table de version : *** 1.173 500 500 http://fr.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 500 http://fr.archive.ubuntu.com/ubuntu bionic/main i386 Packages 100 /var/lib/dpkg/status Regards, Jean Pierre. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1772624/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
