The crash below occurred right upon startup. I have not done anything with the auto start mechanism yet; I just have a script that starts wifi in client mode. I did not dig into this, and after a reset it did not repeat. I have not done more tests. -- Steve I (39) ovms_main: Set default logging level for * to WARN W (744) esp32wifi: AutoInit: using module password as AP password Welcome to the Open Vehicle Monitoring System (OVMS) - Async Console OVMS > CORRUPT HEAP: Bad head at 0x3ffec1f0. Expected 0xabba1234 got 0x3ffec2c8 assertion "head != NULL" failed: file "/Users/casner/src/github/esp-idf/components/heap/./multi_heap_poisoning.c", line 201, function: multi_heap_free abort() was called at PC 0x400fb243 on core 1 0x400fb243: __assert_func at /Users/ivan/e/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/stdlib/../../../.././newlib/libc/stdlib/assert.c:63 (discriminator 8) Backtrace: 0x4008f5d4:0x3ffeb990 0x4008f777:0x3ffeb9b0 0x400fb243:0x3ffeb9d0 0x4008f235:0x3ffeba00 0x40082712:0x3ffeba20 0x40082ca1:0x3ffeba40 0x4000bec7:0x3ffeba60 0x400dbeb9:0x3ffeba80 0x401f2105:0x3ffebaa0 0x401f212b:0x3ffebac0 0x401f4c9c:0x3ffebb00 0x401167eb:0x3ffebb30 0x4011681d:0x3ffebb50 0x40116c3c:0x3ffebb70 0x400e88a9:0x3ffebbb0 0x400e8b45:0x3ffebbe0 0x400ed570:0x3ffebc70 0x400ed591:0x3ffebcc0 0x4008f5d4: invoke_abort at /Users/casner/src/github/esp-idf/components/esp32/./panic.c:648 0x4008f777: abort at /Users/casner/src/github/esp-idf/components/esp32/./panic.c:648 0x400fb243: __assert_func at /Users/ivan/e/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/stdlib/../../../.././newlib/libc/stdlib/assert.c:63 (discriminator 8) 0x4008f235: multi_heap_free at /Users/casner/src/github/esp-idf/components/heap/./multi_heap_poisoning.c:326 0x40082712: heap_caps_free at /Users/casner/src/github/esp-idf/components/heap/./heap_caps.c:388 0x40082ca1: _free_r at /Users/casner/src/github/esp-idf/components/newlib/./syscalls.c:42 0x400dbeb9: esp_timer_delete at /Users/casner/src/github/esp-idf/components/esp32/./esp_timer.c:162 0x401f2105: _mdns_stop_timer at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4510 0x401f212b: _mdns_service_task_stop at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4510 0x401f4c9c: mdns_free at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4185 0x401167eb: OvmsMDNS::StopMDNS() at /Users/casner/src/github/ovms/vehicle/OVMS.V3/components/ovms_mdns/src/ovms_mdns.cpp:111 0x4011681d: OvmsMDNS::NetworkDown(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/components/ovms_mdns/src/ovms_mdns.cpp:64 0x40116c3c: void std::_Mem_fn_base<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*), true>::operator()<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*, void>(OvmsMDNS*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) const at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:600 (inlined by) void std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)>::__call<void, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&, 0u, 1u, 2u>(std::tuple<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&>&&, std::_Index_tuple<0u, 1u, 2u>) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1074 (inlined by) void std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)>::operator()<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*, void>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1133 (inlined by) std::_Function_handler<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*), std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)> >::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1871 0x400e88a9: std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)>::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*) const at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:2271 0x400e8b45: OvmsEvents::SignalEvent(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_events.cpp:155 0x400ed570: OvmsNetManager::MongooseTask() at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_netmanager.cpp:322 0x400ed591: MongooseRawTask(void*) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_netmanager.cpp:306 Entering gdb stub now. $T0b#e6GNU gdb (crosstool-NG crosstool-ng-1.22.0-80-g6c4433a) 7.10 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "--host=x86_64-build_apple-darwin16.3.0 --target=xtensa-esp32-elf". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /Users/casner/src/github/ovms/vehicle/OVMS.V3/build/ovms3.elf...done. Remote debugging using /dev/cu.SLAB_USBtoUART 0x4008f5d4 in invoke_abort () at /Users/casner/src/github/esp-idf/components/esp32/./panic.c:139 139 *((int *) 0) = 0; (gdb) bt #0 0x4008f5d4 in invoke_abort () at /Users/casner/src/github/esp-idf/components/esp32/./panic.c:139 #1 0x4008f77a in abort () at /Users/casner/src/github/esp-idf/components/esp32/./panic.c:148 #2 0x400fb246 in __assert_func ( file=0x3ffb3730 "/Users/casner/src/github/esp-idf/components/heap/./multi_heap_poisoning.c", line=201, func=<optimized out>, failedexpr=0x3ffb3720 "head != NULL") at ../../../.././newlib/libc/stdlib/assert.c:63 #3 0x4008f238 in multi_heap_free (heap=0x3ffe4350, p=0x3ffec1fc) at /Users/casner/src/github/esp-idf/components/heap/./multi_heap_poisoning.c:201 #4 0x40082715 in heap_caps_free (ptr=0x3ffec1fc) at /Users/casner/src/github/esp-idf/components/heap/./heap_caps.c:262 #5 0x40082ca4 in _free_r (r=0x3ffebdd4, ptr=0x3ffec1fc) at /Users/casner/src/github/esp-idf/components/newlib/./syscalls.c:42 #6 0x4000beca in ?? () #7 0x400dbebc in esp_timer_delete (timer=0x3ffec1fc) at /Users/casner/src/github/esp-idf/components/esp32/./esp_timer.c:162 #8 0x401f2108 in _mdns_stop_timer () at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4032 #9 0x401f212e in _mdns_service_task_stop () at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4081 #10 0x401f4c9f in mdns_free () at /Users/casner/src/github/esp-idf/components/mdns/./mdns.c:4185 #11 0x401167ee in OvmsMDNS::StopMDNS (this=0x3ffb45c8 <MyMDNS>) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/components/ovms_mdns/src/ovms_mdns.cpp:111 #12 0x40116820 in OvmsMDNS::NetworkDown (this=0x3ffb45c8 <MyMDNS>, event=..., data=0x0) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/components/ovms_mdns/src/ovms_mdns.cpp:64 #13 0x40116c3f in std::_Mem_fn_base<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*), true>::operator()<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*, void>(OvmsMDNS*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) const (__object=<optimized out>, this=<optimized out>) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:600 #14 std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)>::__call<void, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&, 0u, 1u, 2u>(std::tuple<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&>&&, std::_Index_tuple<0u, 1u, 2u>) ( __args=<unknown type in /Users/casner/src/github/ovms/vehicle/OVMS.V3/build/ovms3.elf, CU 0x2f4c41, DIE 0x3048f6>, this=<optimized out>) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1074 #15 std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)>::operator()<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*, void>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) (this=<optimized out>) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1133 #16 std::_Function_handler<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*), std::_Bind<std::_Mem_fn<void (OvmsMDNS::*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)> (OvmsMDNS*, std::_Placeholder<1>, std::_Placeholder<2>)> >::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, void*&&) (__functor=..., __args#0=<optimized out>, __args#1=<optimized out>) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:1871 #17 0x400e88ac in std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*)>::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, void*) const ( this=0x3ffcaef0, __args#0=..., __args#1=0x0) at /Users/casner/src/github/esp-idf/xtensa-esp32-elf/xtensa-esp32-elf/include/c++/5.2.0/functional:2271 #18 0x400e8b48 in OvmsEvents::SignalEvent (this=0x3ffb4290 <MyEvents>, event=..., data=0x0) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_events.cpp:155 #19 0x400ed573 in OvmsNetManager::MongooseTask (this=0x3ffb4314 <MyNetManager>) ---Type <return> to continue, or q <return> to quit--- at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_netmanager.cpp:322 #20 0x400ed594 in MongooseRawTask (pvParameters=0x3ffb4314 <MyNetManager>) at /Users/casner/src/github/ovms/vehicle/OVMS.V3/main/./ovms_netmanager.cpp:306 (gdb)