When I send a syslog message directly after wifi is connected, my esp8266 crashes most of the time.
Seems to have something to do with resolving the ip based on hostname...
0x4021fbd8: memp_malloc at core/memp.c line 404
0x40220fe5: dns_check_entry at core/dns.c line 1060
0x40221558: dns_gethostbyname_addrtype at core/dns.c line 1444
0x4021466b: String::concat(char const, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 288
0x40201b70: delay at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/core_esp8266_wiring.c line 46
0x402215d8: dns_gethostbyname at core/dns.c line 1472
0x4020761c: ESP8266WiFiGenericClass::hostByName(char const, IPAddress&, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 475
0x401006ac: realloc at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/umm_malloc/umm_malloc.c line 1645
0x402142f7: String::changeBuffer(unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 156
0x402142f7: String::changeBuffer(unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 156
0x4020764c: ESP8266WiFiGenericClass::hostByName(char const, IPAddress&) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 452
0x40208ec9: WiFiUDP::beginPacket(char const, unsigned short) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/WiFiUdp.cpp line 147
0x4021466b: String::concat(char const, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 288
0x40212f1e: Syslog::_sendLog(unsigned short, char const) at /home/jeroen/Arduino/libraries/Syslog/src/Syslog.cpp line 210
0x40212fb4: Syslog::log(unsigned short, char const) at /home/jeroen/Arduino/libraries/Syslog/src/Syslog.cpp line 84
0x40203c16: mylog(char const, String, int) at /home/jeroen/Arduino/espMQTT/espMQTT.ino line 522
jeroenst
commented
5 years ago
When I send a syslog message directly after wifi is connected, my esp8266 crashes most of the time. Seems to have something to do with resolving the ip based on hostname...
0x4021fbd8: memp_malloc at core/memp.c line 404 0x40220fe5: dns_check_entry at core/dns.c line 1060 0x40221558: dns_gethostbyname_addrtype at core/dns.c line 1444 0x4021466b: String::concat(char const, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 288 0x40201b70: delay at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/core_esp8266_wiring.c line 46 0x402215d8: dns_gethostbyname at core/dns.c line 1472 0x4020761c: ESP8266WiFiGenericClass::hostByName(char const, IPAddress&, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 475 0x401006ac: realloc at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/umm_malloc/umm_malloc.c line 1645 0x402142f7: String::changeBuffer(unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 156 0x402142f7: String::changeBuffer(unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 156 0x4020764c: ESP8266WiFiGenericClass::hostByName(char const, IPAddress&) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 452 0x40208ec9: WiFiUDP::beginPacket(char const, unsigned short) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/libraries/ESP8266WiFi/src/WiFiUdp.cpp line 147 0x4021466b: String::concat(char const, unsigned int) at /home/jeroen/.arduino15/packages/esp8266/hardware/esp8266/2.4.2/cores/esp8266/WString.cpp line 288 0x40212f1e: Syslog::_sendLog(unsigned short, char const) at /home/jeroen/Arduino/libraries/Syslog/src/Syslog.cpp line 210 0x40212fb4: Syslog::log(unsigned short, char const) at /home/jeroen/Arduino/libraries/Syslog/src/Syslog.cpp line 84 0x40203c16: mylog(char const, String, int) at /home/jeroen/Arduino/espMQTT/espMQTT.ino line 522