ESP32 example does not connect to WiFi #33843
Description
Describe the bug
When flashing the ESP32 example the log gets stuck and only returns <err> net_arp: Gateway not set for iface 0x3ffb0110 on ESP32-WROOM-32
To Reproduce
in the samples/board/esp32/wifi_station example
Configure SSID and password
Run
west build -p always -b esp32
Run and check log
west flash;minicom
Expected behavior
ESP32 shoud connect to router. Below you see the ESP32 succeeding to connect, which sometimes happens, but most of the time it fails to connect.
inf> esp_event: WIFI_EVENT_STA_START
I (2239) wifi:new:<11,2>, old:<1,1>, ap:<255,255>, sta:<11,2>, prof:1
I (2887) wifi:state: init -> auth (b0)
I (2894) wifi:state: auth -> assoc (0)
I (2902) wifi:state: assoc -> run (10)
I (3001) wifi:connected with Router 66, aid = 5, channel 11, 40D, bssid = aa:bb:cc:dd:ee:ff
I (3002) wifi:security: WPA2-PSK, phy: bgn, rssi: -77
I (3003) wifi:pm start, type: 1
I (3040) wifi:AP's beacon interval = 102400 us, DTIM period = 1
[00:00:03.007,000] <inf> esp_event: WIFI_EVENT_STA_CONNECTED
[00:00:05.910,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:08.879,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:09.392,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:11.952,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:17.380,000] <inf> net_dhcpv4: Received: 192.168.1.217
[00:00:17.380,000] <inf> esp32_wifi_sta: Your address: 192.168.1.217
[00:00:17.380,000] <inf> esp32_wifi_sta: Lease time: 86400 seconds
[00:00:17.380,000] <inf> esp32_wifi_sta: Subnet: 255.255.255.0
[00:00:17.380,000] <inf> esp32_wifi_sta: Router: 192.168.1.1
Impact
showstopper
Logs and console output
I (724) wifi:wifi driver task: 3ffb1ef0, prio:2, stack:3584, core=0
I (725) wifi:wifi firmware version: 1865b55
I (725) wifi:wifi certification version: v7.0
I (727) wifi:config NVS flash: disabled
I (730) wifi:config nano formating: disabled
I (734) wifi:Init data frame dynamic rx buffer num: 32
I (739) wifi:Init management frame dynamic rx buffer num: 32
I (744) wifi:Init management short buffer num: 32
I (749) wifi:Init dynamic tx buffer num: 32
I (753) wifi:Init static rx buffer size: 1600
I (757) wifi:Init static rx buffer num: 10
I (761) wifi:Init dynamic rx buffer num: 32
phy_version: 4500, 0cd6843, Sep 17 2020, 15:37:07, 0, 2
I (890) wifi:mode : softAP (3c:61:05:30:01:89)
I (891) wifi:Total power save buffer number: 16
I (891) wifi:Init max length of beacon: 752/752
I (896) wifi:Init max length of beacon: 752/752
*** Booting Zephyr OS build zephyr-v2.5.0-1540-g63ca48a7a9b8 ***
I (906) wifi:mode : sta (3c:61:05:30:01:88)
[00:00:00.911,000] <inf> esp_event: WIFI_EVENT_STA_START
I (2238) wifi:new:<11,2>, old:<1,1>, ap:<255,255>, sta:<11,2>, prof:1
I (2885) wifi:state: init -> auth (b0)
I (2890) wifi:state: auth -> assoc (0)
I (2898) wifi:state: assoc -> run (10)
I (3027) wifi:connected with Router 66, aid = 5, channel 11, 40D, bssid = aa:bb:cc:dd:ee:ff
I (3027) wifi:security: WPA2-PSK, phy: bgn, rssi: -77
I (3029) wifi:pm start, type: 1
I (3082) wifi:AP's beacon interval = 102400 us, DTIM period = 1
[00:00:03.032,000] <inf> esp_event: WIFI_EVENT_STA_CONNECTED
[00:00:05.849,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:07.385,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
[00:00:08.921,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
...
[00:03:42.330,000] <err> net_arp: Gateway not set for iface 0x3ffb0110
Environment (please complete the following information):
- OS: Linux Ubuntu 20.04
- Toolchain: espressif (esp-2020r3-8.4.0/xtensa-esp32-elf)
- Commit: Zephyr version: 2.5.99
Additional context
I could not find any info on the error "gatway not set for iface", but I believe this error get trown by iface = net_if_get_default();