Package: firmware-brcm80211 Version: 20160110-1 Severity: normal On an Asus X205T, dmesg says:
brcmfmac_sdio mmc1:0001:1: firmware: direct-loading firmware brcm/brcmfmac43340-sdio.bin brcmfmac_sdio mmc1:0001:1: firmware: failed to load brcm/brcmfmac43340-sdio.txt (-2) brcmfmac_sdio mmc1:0001:1: firmware: Direct firmware load for brcm/brcmfmac43340-sdio.txt failed with error -2 brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50 and no network interface appears for the device. It looks to me like the brcmfmac_sdio kernel module is expecting this .txt file is supposed to be shipped alongside the .bin, but it isn't present. --dkg -- System Information: Debian Release: stretch/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'testing'), (200, 'unstable'), (1, 'experimental-debug'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.4.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system)