esp8266 crashes on WiFi disconnect #21558
Description
Description
When the WiFi connection is lost (reason 204 (HANDSHAKE_TIMEOUT) or reason 8 (ASSOC_LEAVE)) the system crashes with a LoadStoreAlignmentCause exception.
Steps to reproduce the issue
- connect to a WiFi
rebootappears to trigger it, but also can happen spontaneously (when the WiFi connection is lost)
Expected results
No crash
Actual results
2025-06-23 13:57:19,639 # Iface 10 HWaddr: 84:F3:EB:0F:43:6D Channel: 6 Link: up
2025-06-23 13:57:19,644 # L2-PDU:1500 MTU:1500 HL:64 Source address length: 6
2025-06-23 13:57:19,647 # Link type: wireless
2025-06-23 13:57:19,653 # inet6 addr: fe80::86f3:ebff:fe0f:436d scope: link VAL
2025-06-23 13:57:19,655 # inet6 group: ff02::1
2025-06-23 13:57:19,662 # inet6 group: ff02::1:ff0f:436d
2025-06-23 13:58:16,647 # reboot
2025-06-23 13:58:16,653 # WiFi disconnected from ssid Springfield, reason 8 (ASSOC_LEAVE)
2025-06-23 13:58:16,755 # EXCEPTION!! exccause=9 (LoadStoreAlignmentCause) @40211899 excvaddr=4025e12b
2025-06-23 13:58:16,756 # processes:
2025-06-23 13:58:16,763 # pid | name | state Q | pri | stack ( used) ( free) | base addr | current
2025-06-23 13:58:16,772 # - | isr_stack | - - | - | 2048 ( 1108) ( 940) | 0x3ffe8000 | 0x3ffe8800
2025-06-23 13:58:16,783 # 1 | ppT | bl mutex _ | 2 | 3640 ( 1320) ( 2320) | 0x3fff7470 | 0x3fff8110
2025-06-23 13:58:16,791 # 2 | pmT | bl mutex _ | 4 | 1080 ( 380) ( 700) | 0x3fff82f0 | 0x3fff85c0
2025-06-23 13:58:16,800 # 3 | rtT | bl mutex _ | 3 | 2104 ( 1100) ( 1004) | 0x3fff8730 | 0x3fff8e00
2025-06-23 13:58:16,808 # 4 | esp_events | bl mutex _ | 5 | 2104 ( 924) ( 1180) | 0x3fff95a0 | 0x3fff9c40
2025-06-23 13:58:16,816 # 5 | idle | running Q | 31 | 1024 ( 244) ( 780) | 0x3ffee580 | 0x3ffee8a0
2025-06-23 13:58:16,825 # 6 | main | bl mutex _ | 15 | 3072 ( 1344) ( 1728) | 0x3ffee980 | 0x3ffef310
2025-06-23 13:58:16,833 # 7 | event | bl anyfl _ | 14 | 2048 ( 296) ( 1752) | 0x3fff16c4 | 0x3fff1db0
2025-06-23 13:58:16,842 # 8 | ipv6 | bl rx _ | 12 | 1536 ( 808) ( 728) | 0x3fff1f08 | 0x3fff2390
2025-06-23 13:58:16,850 # 9 | udp | bl rx _ | 13 | 1472 ( 356) ( 1116) | 0x3fff4080 | 0x3fff44f0
2025-06-23 13:58:16,858 # 10 | netif-esp-wifi | bl anyfl _ | 10 | 1536 ( 844) ( 692) | 0x3ffefd48 | 0x3fff0230
2025-06-23 13:58:16,866 # | SUM | | | 21664 ( 8724) (12940)
2025-06-23 13:58:16,866 #
2025-06-23 13:58:16,875 # /home/[email protected]/dev/RIOT/cpu/esp_common/syscalls.c:206 => *** RIOT kernel panic:
2025-06-23 13:58:16,875 # FAILED ASSERTION.
2025-06-23 13:58:16,875 #
2025-06-23 13:58:16,883 # pid | name | state Q | pri | stack ( used) ( free) | base addr | current
2025-06-23 13:58:16,894 # - | isr_stack | - - | - | 2048 ( 1284) ( 764) | 0x3ffe8000 | 0x3ffe8800
2025-06-23 13:58:16,902 # 1 | ppT | bl mutex _ | 2 | 3640 ( 1320) ( 2320) | 0x3fff7470 | 0x3fff8110
2025-06-23 13:58:16,911 # 2 | pmT | bl mutex _ | 4 | 1080 ( 380) ( 700) | 0x3fff82f0 | 0x3fff85c0
2025-06-23 13:58:16,919 # 3 | rtT | bl mutex _ | 3 | 2104 ( 1100) ( 1004) | 0x3fff8730 | 0x3fff8e00
2025-06-23 13:58:16,927 # 4 | esp_events | bl mutex _ | 5 | 2104 ( 924) ( 1180) | 0x3fff95a0 | 0x3fff9c40
2025-06-23 13:58:16,935 # 5 | idle | running Q | 31 | 1024 ( 244) ( 780) | 0x3ffee580 | 0x3ffee8a0
2025-06-23 13:58:16,944 # 6 | main | bl mutex _ | 15 | 3072 ( 1344) ( 1728) | 0x3ffee980 | 0x3ffef310
2025-06-23 13:58:16,952 # 7 | event | bl anyfl _ | 14 | 2048 ( 296) ( 1752) | 0x3fff16c4 | 0x3fff1db0
2025-06-23 13:58:16,960 # 8 | ipv6 | bl rx _ | 12 | 1536 ( 808) ( 728) | 0x3fff1f08 | 0x3fff2390
2025-06-23 13:58:16,969 # 9 | udp | bl rx _ | 13 | 1472 ( 356) ( 1116) | 0x3fff4080 | 0x3fff44f0
2025-06-23 13:58:16,977 # 10 | netif-esp-wifi | bl anyfl _ | 10 | 1536 ( 844) ( 692) | 0x3ffefd48 | 0x3fff0230
2025-06-23 13:58:16,985 # | SUM | | | 21664 ( 8900) (12764)
2025-06-23 13:58:16,986 #
2025-06-23 13:58:16,986 # *** halted.
Versions
2025.07-devel-423-g15cc7