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.kaz...@tieto.com>:
On 16 September 2016 at 13:50, Daniel Holz <daniel.hol...@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.


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