DFS start_dfs_cac() failed, -1 / nl80211: Failed to start radar detection: -16 (Device or resource busy)

Michal Kazior michal.kazior
Mon Aug 25 00:34:36 PDT 2014

On 25 August 2014 09:28, Conrad Kostecki <ck at conrad-kostecki.de> wrote:
>> I believe ath9k is capable of running only at 20Mhz bandwidth (your
>>config is using 40Mhz) with radar detection.
> Hi Micha?,
> thanks for the hint. When I remove HT40 from ht_capab, hostapd ist starting fine. It seems, you are right. Do you know, if ath10k supports 40MHz with radar detection?

ath10k supports 20, 40 and 80MHz bandwidths with radar detection.


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