E (12345) wifi:NAN WiFi stop (IDFGH-11325)

[kriegste]

Answers checklist.

• I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

ESP32
IDF 5.1.1

After esp_restart(), just before restarting,

E (12345) wifi:NAN WiFi stop

appears in the log. What does this error mean? How can I prevent it? It did not appear in IDF 4.4.x.

[mscott370]

Hi @kriegste
I'm also seeing the error message when i use Arduino-ESP32 v3.0.0 (based on ESP-IDF 5.1).
"E (23862) wifi:NAN WiFi stop"

• The error message is logged when i call WiFi.disconnect() and did not appear using Arduino-ESP32 v2.0.14 (ESP-IDF v4.4.6). The only way i can avoid the message is to suppress wifi logging:
  esp_log_level_set("wifi", ESP_LOG_NONE)
• not really a desirable solution as i normally would want to see wifi errors.
• I am not using any WiFi-Aware (NAN) functions, so should not be seeing the NAN error message, and if i try to avoid the error by terminating NAN before calling WiFi.disconnect() with:
  esp_err_t ret = esp_wifi_nan_stop();
  ... that just produces a "NAN isn't started" message. So if NAN isn't started, why do we see this new message?

[kriegste]

Oh, I was not aware NAN stands for WiFi-Aware... I checked all my floating point code since nan normally is a floating point issue... That is an unfortunate name for an error!

Anyway, I do not use WiFi-Aware either. It is disabled in sdkconfig (which seems to be default).

[ShyamalKhachane]

Hi @kriegste @mscott370, this is not an error, it's supposed to be an informative print. We will suppress it in upcoming commits.

[mscott370]

Hi @ShyamalKhachane - has the commit for this issue occurred yet?

[bjuberchaub]

Still seeing this on 5.3.1: