Where do I find the latest official snapshot? It's not on the Dir-842 page, is it? dmesg outputs this:
[ 11.929521] ath10k 5.1 driver, optimized for CT firmware, probing pci device: 0x56.
[ 11.950993] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[ 11.957806] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[ 12.579718] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[ 13.159867] firmware ath10k!QCA9888!hw2.0!ct-firmware-5.bin: firmware_loading_store: map pages failed
[ 13.584887] firmware ath10k!QCA9888!hw2.0!ct-firmware-2.bin: firmware_loading_store: map pages failed
[ 13.872432] firmware ath10k!QCA9888!hw2.0!firmware-6.bin: firmware_loading_store: map pages failed
[ 14.424836] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[ 14.434413] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[ 14.454466] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fW-013-d81f62d97 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 937128b4
[ 14.793963] ath10k_pci 0000:00:00.0: failed to fetch board data for bus=pci,bmi-chip-id=0,bmi-board-id=31 from ath10k/QCA9888/hw2.0/board-2.bin
[ 14.808092] ath10k_pci 0000:00:00.0: board_file api 1 bmi_id 0:31 crc32 ad503a02
[ 16.853292] ath10k_pci 0000:00:00.0: unsupported HTC service id: 1536
[ 16.863813] ath10k_pci 0000:00:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[ 16.871585] ath10k_pci 0000:00:00.0: msdu-desc: 2500 skid: 32
[ 22.014262] ath10k_pci 0000:00:00.0: wmi unified ready event not received
[ 22.086933] ath10k_pci 0000:00:00.0: could not init core (-145)
[ 22.093326] ath10k_pci 0000:00:00.0: could not probe fw (-145)
[ 22.102618] ath10k_pci 0000:00:00.0: firmware crashed! (guid b99368b4-6994-469c-b17e-17afed7985bb)
[ 22.111912] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[ 22.121447] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[ 22.129907] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fW-013-d81f62d97 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 00000000
[ 22.159748] ath10k_pci 0000:00:00.0: board_file api 1 bmi_id 0:31 crc32 ad503a02
[ 22.167406] ath10k_pci 0000:00:00.0: htt-ver 0.0 wmi-op 6 htt-op 4 cal pre-cal-file max-sta 32 raw 0 hwcrypto 1
[ 22.187914] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 4: -16
[ 22.196996] ath10k_pci 0000:00:00.0: failed to read firmware dump area: -16
[ 22.204205] ath10k_pci 0000:00:00.0: in crash-regs-harder
[ 23.912175] ath10k_pci 0000:00:00.0: in crash-regs-harder, firmware did not provide indicator: 0x2
[ 23.921437] ath10k_pci 0000:00:00.0: Copy Engine register dump:
[ 23.927575] ath10k_pci 0000:00:00.0: [00]: 0x0004a000 0 0 0 0
[ 23.934248] ath10k_pci 0000:00:00.0: [01]: 0x0004a400 0 0 0 0
[ 23.940914] ath10k_pci 0000:00:00.0: [02]: 0x0004a800 0 0 0 0
[ 23.947579] ath10k_pci 0000:00:00.0: [03]: 0x0004ac00 0 0 0 0
[ 23.954247] ath10k_pci 0000:00:00.0: [04]: 0x0004b000 0 0 0 0
[ 23.960912] ath10k_pci 0000:00:00.0: [05]: 0x0004b400 0 0 0 0
[ 23.967579] ath10k_pci 0000:00:00.0: [06]: 0x0004b800 0 0 0 0
[ 23.974244] ath10k_pci 0000:00:00.0: [07]: 0x0004bc00 0 0 0 0
[ 23.980911] ath10k_pci 0000:00:00.0: [08]: 0x0004c000 0 0 0 0
[ 23.987577] ath10k_pci 0000:00:00.0: [09]: 0x0004c400 0 0 0 0
[ 23.994244] ath10k_pci 0000:00:00.0: [10]: 0x0004c800 0 0 0 0
[ 24.000909] ath10k_pci 0000:00:00.0: [11]: 0x0004cc00 0 0 0 0
[ 24.007579] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 8: -28
[ 24.016666] ath10k_pci 0000:00:00.0: failed to dump debug log area: -28
[ 24.023516] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 72: -28
[ 24.032694] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 72: -28
[ 24.041877] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 76: -28
[ 24.051060] ath10k_pci 0000:00:00.0: failed to get memcpy hi address for firmware address 76: -28
[ 24.060252] ath10k_pci 0000:00:00.0: failed to read firmware RAM BSS memory from 4286176 (22704 B): -28
[ 24.069980] ath10k_pci 0000:00:00.0: failed to read firmware ROM BSS memory from 4197376 (11312 B): -28
[ 27.354067] ath10k_pci 0000:00:00.0: cannot restart a device that hasn't been started