ESP32 WIFI Station Mode Error - bcn_timout,ap_probe_send_start

Jihun Kim
Posts: 4
Joined: Tue Jan 17, 2017 12:31 pm

ESP32 WIFI Station Mode Error - bcn_timout,ap_probe_send_start

Postby Jihun Kim » Mon Jun 05, 2017 8:11 am

i have a simple wifi station mode and lwip socket like this


esp32 (client) ----------------AP-------------- Ipad(server)


connect AP and some time later with logs like this
I (30947) wifi: bcn_timout,ap_probe_send_start
I (33447) wifi: ap_probe_send over, resett wifi status to disassoc
I (33447) wifi: state: run -> init (1)
I (33447) wifi: pm stop, total sleep time: 0/12992468
I (33447) wifi: n:5 0, o:5 2, ap:255 255, sta:5 2, prof:1

and socket disconnected, wifi disconnected and reconnect


why is this happening??

ESP_igrr
Posts: 2071
Joined: Tue Dec 01, 2015 8:37 am

Re: ESP32 WIFI Station Mode Error - bcn_timout,ap_probe_send_start

Postby ESP_igrr » Tue Jun 06, 2017 6:09 am

Disabling interrupts for a long time (seconds), having tasks which run at high priority, suspending the scheduler — all these can cause similar errors.

GustavoGB
Posts: 18
Joined: Fri Jan 15, 2021 1:46 am

Re: ESP32 WIFI Station Mode Error - bcn_timout,ap_probe_send_start

Postby GustavoGB » Wed Jun 16, 2021 6:07 pm

ESP_igrr wrote:
Tue Jun 06, 2017 6:09 am
Disabling interrupts for a long time (seconds), having tasks which run at high priority, suspending the scheduler — all these can cause similar errors.
I have this problem just after Interrupt wake up of Light Sleep. Any solution?
My system is very unstable :'(

Ramirez714
Posts: 1
Joined: Mon Jun 21, 2021 5:14 am

Re: ESP32 WIFI Station Mode Error - bcn_timout,ap_probe_send_start

Postby Ramirez714 » Mon Jun 21, 2021 5:33 am

I found that the ENOMEM is the error returned by esp_wifi_internal_tx_by_ref ( ESP_ERR_NO_MEM ). packet sniffing, using monitor mode of ESP32 wifi stack and using ESP32 BT/BLE stack. I (11552633) wifi: bcn_timout,​ap_probe_send_start.

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