Firmware 4 vs Firmware 6 for QCA6174 hw3.0

[Kalle Valo]

Nicolò Sprea <nsprea at gmail.com> writes:

> # Using:
> driver: ath10k_pci
> version: 4.15.0-38-generic
> firmware-version: WLAN.RM.4.4.1-00079-QCARMSWPZ-1
>
> # Problem:
> When wpa_supplicant re-associates, I get the following issue:
> ath10k_pci 0000:02:00.0: failed to flush transmit queue (skip 0 ar-state 1): 0
> and all the interfaces (including loopback) "freeze" for a few seconds.
>
> # Solutions:
> 1. using firmware version WLAN.RM.2.0-00180-QCARMSWPZ-1
> 2. backporting driver

v4.15 was released four years ago so for us it's ancient. I recommend
updating the kernel or using backports project:

https://backports.wiki.kernel.org/index.php/Main_Page

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