Warnings/errors in use with a QCA989x card

Kalle Valo kvalo at qca.qualcomm.com
Sat Jun 6 06:50:34 PDT 2015

Michal Kazior <michal.kazior at tieto.com> writes:

> This is the dreaded tx credit starvation.
> In some cases if disassoc+deauth is sent and target station is asleep
> and unresponsive it'll cause firmware to stall causing ath10k timeouts
> during sta_state station removal. Due to insufficient credits beacons
> can't be sent for ~10 seconds, sta_state station removal fails causing
> mac80211 call trace splat and later spurious kickout events because
> peer was never removed from firmware.
> There's no easy/sane fix for that, yet.
> You can read more on the subject:
>  http://thread.gmane.org/gmane.linux.kernel.wireless.general/121954
> http://thread.gmane.org/gmane.linux.drivers.ath10k.devel/638

Should we write an entry to the FAQ about this?

Kalle Valo

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