This is a custom linux distribution. Only change is the kernel. All other packages are same versions. Everything rebuilt from source using bitbake/yocto. Same linux-firmware files. module initialization output logs: [ 9.335682] ath10k_pci 0000:04:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0 [ 9.543221] ath10k_pci 0000:04:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043222ff sub 0000:0000 [ 9.543270] ath10k_pci 0000:04:00.0: kconfig debug 1 debugfs 0 tracing 0 dfs 1 testmode 0 [ 9.544296] ath10k_pci 0000:04:00.0: firmware ver 10.2.4-1.0-00047 api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 35bd9258 [ 9.603583] ath10k_pci 0000:04:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08 [ 10.985663] ath10k_pci 0000:04:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal otp max-sta 128 raw 0 hwcrypto 1 This is followed by hostapd starting and the "failed to flush transmit queue" errors within an hour. If there is a way to further debug and collect information please let me know. Regards, Cedric
