# 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

# My question:
What are the missing features/known bugs of WLAN.RM.2.0-00180-QCARMSWPZ-1?

On Wed, Jun 8, 2022 at 9:43 AM Kalle Valo <kv...@kernel.org> wrote:
>
> Nicolò Sprea <nsp...@gmail.com> writes:
>
> > Thanks for the answer.
> > Is there any feature that uses only api 6?
> > If I want to downgrade to api 4, is there anything that I should pay
> > attention to?
>
> The interface number itself does not change any functionality, what
> matters are the actual firmware release versions. And of course older
> firmware releases have more bugs and less features. It would be easier
> for people to help if you describe what's the actual problem you are
> trying to solve.
>
> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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