hostapd config for 802.11ac failing

[Peer, Ilan]

Did you try setting the channel in the configuration file, i.e., channel=36?

Can you share the hostapd log?

Ilan.

> -----Original Message-----
> From: Hostap [mailto:hostap-bounces at lists.infradead.org] On Behalf Of v
> lakshmi
> Sent: Friday, August 25, 2017 16:27
> To: Wpa_supplicant <hostap at lists.infradead.org>
> Subject: hostapd config for 802.11ac failing
> 
> Hi,
> 
> I am trying to setup an Access point using hostapd in 802.11ac mode.
> 
> The wireless interface pcie device supports 80MHz channel.
> I verified that with "iw list".
> 
> When I configure it in 5 Ghz mode, it works fine.
> 
> When I configure vht_oper_chwidth=1 and then I get the error as
> 
> ACS: Failed to get compute ideal channel.
> ACS: Possibly channel configuration is invalid, pls report this along with your
> config file.
> 
> Here is the hostapd.conf that I am using
> 
> interface=wlan1
> driver=nl80211
> hw_mode=a
> ssid=test1234
> 
> ieee80211n=1
> ht_capab=[HT40+][LDPC][SHORT- GI-20][SHORT-GI-40][TX-STBC][ RX-STBC-1]
> 
> ieee80211ac=1
> vht_oper_chwidth=1
> vht_oper_centr_freq_seg0_idx= 42
> vht_capab=[MAX-MPDU-11454][ RXLDPC][SHORT-GI-80][TX-STBC]
> wmm_enabled=1
> wme_enabled=1
> wpa=2
> wpa_key_mgmt=WPA-PSK
> wpa_passphrase=test1234
> 
> Thanks for any help,
> vijaya
> 
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