QCA6174 Performance

Daniel Holz daniel.holz91 at gmail.com
Sun Sep 18 11:14:44 PDT 2016

iw wlp2s0 info displays that my bandwidth is 80 MHz. Over the weekend I 
tried different configurations like using n instead of ac or 2,4 GHz 
and connection speed on a different WLAN, but the performance was 
always extremely slow.

Daniel Holz

Am Fr, 16. Sep, 2016 um 2:23 schrieb Michal Kazior 
<michal.kazior at tieto.com>:
> On 16 September 2016 at 13:50, Daniel Holz <daniel.holz91 at gmx.de> 
> wrote:
>>  The md5sum matches.
>>  I installed Kernel 4.8 from Ubuntu's mainline ppa to get the recent 
>> version
>>  of ath10k which increased the performance, but it's still pretty 
>> low.
>>  Here is the output of dmesg with kernel 4.8:
> You can check it with a recent enough iw:
>   iw wlp2s0 info
> It should tell you channel bandwidth you are using.
> Maybe ath10k or your AP has a bug that causes wrong capabilities to be
> negotiated during association.
> You could try re-configuring your AP (to slower speeds) or force
> wpa_supplicant/ath10k to not use vht or ht modes at all and re-testing
> if it helps.
> Michał

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