<div dir="ltr"><div><div><div><div>Hi Sven and Simon,<br><br></div>Thank you very much for your help. I am curious that did you try QCA-WiFi driver for ath9k device (like AR9331) + OpenWRT, instead of trying to improve ath9k driver?<br><br></div>QCA-WiFi driver included in QSDK:<br><a href="https://www.codeaurora.org/projects/all-active-projects/qsdk">https://www.codeaurora.org/projects/all-active-projects/qsdk</a><br><br></div>Thanks.<br></div>Xuebing Wang<br><div><div><div><div><div><div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 6, 2017 at 3:13 PM, Sven Eckelmann <span dir="ltr"><<a href="mailto:sven@narfation.org" target="_blank">sven@narfation.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-">On Donnerstag, 6. April 2017 09:04:50 CEST Simon Wunderlich wrote:<br>
> Hello Xuebing,<br>
><br>
> it sounds like you have WiFi driver issues. There are some effects like key<br>
> cache corruption, deafness, and other effects known for the AR93xx series.<br>
<br>
</span>Correct, completely forgot about the deaf and 0xdeadbeef issues. There were<br>
also two workarounds for them [1,2] from Simon.<br>
<br>
Kind regards,<br>
        Sven<br>
<br>
[1] <a href="https://patchwork.kernel.org/patch/9433619/" rel="noreferrer" target="_blank">https://patchwork.kernel.org/<wbr>patch/9433619/</a><br>
[2] <a href="https://patchwork.kernel.org/patch/9433621/" rel="noreferrer" target="_blank">https://patchwork.kernel.org/<wbr>patch/9433621/</a><br>
</blockquote></div><br></div></div></div></div></div></div></div></div></div></div>