usbcore: registered new interface driver brcmfmac brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.txt failed with error -2 brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 brcmstb_thermal fd5d2200.thermal: registered AVS TMON of-sensor driver brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00 brcm-pcie fd500000.pcie: host bridge ranges: brcm-pcie fd500000.pcie: could not get clock Initramfs initramfs-linux.img followkernel Link/ether dc:a6:32:xx:xx:xx brd ff:ff:ff:ff:ff:ff Linux xxx 4.19.88-1-ARCH #1 SMP PREEMPT Wed Dec 11 20:19: armv7l GNU/Linuxġ: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 What I have done for diagnosting so far: # uname -a How can I properly diagnose whether there is a hardware or software problem? At first I thought that the hardware component had blown. The WLAN module of my RPI 4 B+ disappeared.
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