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Description
Basic Infos
- This issue complies with the issue POLICY doc.
- I have read the documentation at readthedocs and the issue is not addressed there.
- I have tested that the issue is present in current master branch (aka latest git).
- I have searched the issue tracker for a similar issue.
- If there is a stack dump, I have decoded it.
- I have filled out all fields below.
Platform
- Hardware: ESP-01 (D1 mini)
- Core Version: 2.5.2
- Development Env: Arduino IDE + Platformio
- Operating System: Windows
Settings in IDE
- Module: WeMos D1 R1
- Flash Size: 4MB (no SPIFFS)
- CPU Frequency: 80Mhz
Problem Description
When instantiating a std::regex
object, the D1 mini shuts down.
It only works for very simple regexes, such as /a/, but not for (a little) more complicated ones.
I also tried enabling C++ exceptions and catching something, but nothing is caught.
MCVE Sketch
#include <Arduino.h> #include <regex> void setup() { Serial.begin(115200); Serial.println("Hi there!"); delay(20); static const std::regex holdRegex("hold ([\\d,=]+) (\\d+)"); Serial.println("After instantiation"); delay(20); } void loop() { }
Debug Messages
Hi there! Exception (3): epc1=0x4020b4d8 epc2=0x00000000 epc3=0x00000000 excvaddr=0x4025a301 depc=0x00000000 >>>stack>>> ctx: cont sp: 3ffff610 end: 3fffffc0 offset: 01a0 3ffff7b0: feefeffe feefeffe feefeffe feefeffe 3ffff7c0: 4025a2f8 00000000 4025a314 402085fa 3ffff7d0: feefeffe feefeffe feefeffe feefeffe 3ffff7e0: 00000000 feefeffe feefeffe feefeffe 3ffff7f0: feefeffe feefeffe feefeffe 3ffeed68 3ffff800: 40207ef0 00000000 3ffeed68 4020897c 3ffff810: feefeffe feefeffe feefeffe feefeffe 3ffff820: feefeffe feefeffe feefeffe feefeffe 3ffff830: feefeffe feefeffe feefeffe feefeffe 3ffff840: feefeffe feefeffe feefeffe 3ffeed68 3ffff850: 40207ef0 3ffffb34 3ffeed68 40208e90 3ffff860: feefeffe feefeffe feefeffe feefeffe 3ffff870: feefeffe feefeffe feefeffe 40207ef1 3ffff880: 3ffffb80 3ffffae4 3ffff8d0 40207109 3ffff890: feefeffe feefeffe feefeffe feefeffe 3ffff8a0: feefeffe feefeffe feefeffe feefeffe 3ffff8b0: feefeffe feefeffe feefeffe 40207ef1 3ffff8c0: 3ffffb80 40214a27 3ffffae4 40207b63 3ffff8d0: 00000000 00000000 00000000 00000000 3ffff8e0: 00000000 00000000 00000000 00000000 3ffff8f0: 00000000 00000000 00000000 00000000 3ffff900: 00000000 00000000 00000000 00000000 3ffff910: 00000000 00000000 00000000 00000000 3ffff920: 00000000 00000000 00000000 00000000 3ffff930: 00000000 00000000 00000000 00000000 3ffff940: 00000000 00000000 00000000 00000000 3ffff950: 00000000 00000000 00000000 00000000 3ffff960: 00000000 00000000 00000000 00000000 3ffff970: 00000000 00000000 00000000 00000000 3ffff980: 00000000 00000000 feefeffe feefeffe 3ffff990: feefeffe feefeffe feefeffe 3ffff9b0 3ffff9a0: 00000001 3fff14fc 000000b8 40207ef1 3ffff9b0: feefeffe feefeffe feefeffe feefeffe 3ffff9c0: feefeffe feefeffe feefeffe feefeffe 3ffff9d0: feefeffe feefeffe feefeffe feefeffe 3ffff9e0: feefeffe feefeffe feefeffe feefeffe 3ffff9f0: feefeffe feefeffe feefeffe feefeffe 3ffffa00: feefeffe feefeffe feefeffe feefeffe 3ffffa10: feefeffe feefeffe feefeffe feefeffe 3ffffa20: feefeffe feefeffe feefeffe feefeffe 3ffffa30: feefeffe feefeffe feefeffe feefeffe 3ffffa40: feefeffe feefeffe feefeffe feefeffe 3ffffa50: feefeffe feefeffe feefeffe feefeffe 3ffffa60: feefeffe feefeffe feefeffe feefeffe 3ffffa70: feefeffe feefeffe feefeffe feefeffe 3ffffa80: feefeffe feefeffe feefeffe feefeffe 3ffffa90: feefeffe feefeffe feefeffe 00000001 3ffffaa0: 00000001 40214bc4 0000000e 40204f74 3ffffab0: feefeffe 3ffffeec 0000000e 40214bc4 3ffffac0: 00000001 40214bc4 00000001 40225344 3ffffad0: feefeffe 3ffffeec 00000000 0000000b 3ffffae0: 00000001 00000000 00000000 00000000 3ffffaf0: 00000000 00000000 00000000 00000000 3ffffb00: 00000000 00000000 00000000 00000000 3ffffb10: 00000000 00000000 00000000 00000000 3ffffb20: 00000000 00000000 00000000 40207ef1 3ffffb30: 00000000 00000000 00000000 00000000 3ffffb40: 40000000 00000000 00000000 00000000 3ffffb50: 00000000 00000000 00000000 00000000 3ffffb60: 00000001 00000000 00000001 00000004 3ffffb70: 3fff14fc 402149b8 3fff14fc 40214a27 3ffffb80: 00000001 00000004 3fff151c 4022671a 3ffffb90: feefeffe 00000001 3ffffed0 40202580 3ffffba0: feefeffe feefeffe feefeffe feefeffe 3ffffbb0: feefeffe feefeffe feefeffe feefeffe 3ffffbc0: 3ffeed0c feefeffe feefeffe feefeffe 3ffffbd0: feefeffe feefeffe feefeffe 3ffffef8 3ffffbe0: 00000001 00000000 3ffffed0 40202bd8 3ffffbf0: 4000050c feefeffe feefeffe feefeffe 3ffffc00: 3ffeee28 0000024f 0000024f 40204d30 3ffffc10: 00000008 3fff15a4 3fff1594 40205158 3ffffc20: 3ffeee28 00000245 00000245 3ffffef8 3ffffc30: 00000001 40214bc4 00000004 3ffffef8 3ffffc40: 00000001 00000001 3ffffed0 40202c66 3ffffc50: 3ffffef8 00000001 3ffffed0 40202908 3ffffc60: 3ffeee28 00000245 00000245 40204d30 3ffffc70: 00000001 00000001 3ffffed0 4020297c 3ffffc80: 00000004 ffffffff 00000004 402142fe 3ffffc90: 00000000 00000000 00000000 40201146 3ffffca0: 00000000 00000001 3ffffed0 3ffffef8 3ffffcb0: 00000001 00000001 3ffffed0 40202b58 3ffffcc0: 3fff141c 00000001 40201110 40205480 3ffffcd0: 3ffffef8 00000006 00000006 ffffffff 3ffffce0: 3ffffef8 00000005 00000005 ffffffff 3ffffcf0: 3fff1434 00000001 00000000 402027f3 3ffffd00: 3ffffef8 00000020 00000004 3fffff14 3ffffd10: 00000001 3fffff2c 3ffffed0 40202c66 3ffffd20: 3ffffef8 3fffff2c 3ffffed0 40202908 3ffffd30: 00000001 00000001 3ffffed0 40202c5d 3ffffd40: 00000001 3fffff2c 3ffffed0 40202933 3ffffd50: 3ffffef8 00000005 00000005 ffffffff 3ffffd60: 00000001 3fffff2c 3ffffed0 40202933 3ffffd70: 3ffffef8 00000004 00000004 ffffffff 3ffffd80: 00000001 3fffff2c 3ffffed0 40202933 3ffffd90: 3ffffef8 00000003 00000003 ffffffff 3ffffda0: 00000001 3fffff2c 3ffffed0 40202933 3ffffdb0: 3ffffef8 00000002 00000002 ffffffff 3ffffdc0: 00000001 3fffff2c 3ffffed0 40202933 3ffffdd0: 3ffffef8 00000001 00000001 ffffffff 3ffffde0: 00000000 3ffffef8 3ffffed0 4020297c 3ffffdf0: 00000004 ffffffff 00000004 402142fe 3ffffe00: 00000000 00000000 00000000 40201146 3ffffe10: 00000000 3ffffef8 3ffffed0 3fffff14 3ffffe20: 00000000 3ffffef8 3ffffed0 40202da4 3ffffe30: 3ffefc1c feefeffe feefeffe feefeffe 3ffffe40: feefeffe feefeffe feefeffe feefeffe 3ffffe50: feefeffe feefeffe feefeffe feefeffe 3ffffe60: feefeffe feefeffe feefeffe feefeffe 3ffffe70: 3fff13fc feefeffe 40201110 40205480 3ffffe80: 3ffffef8 00000000 00000000 ffffffff 3ffffe90: feefeffe feefeffe feefeffe 3ffeed98 3ffffea0: 3ffffed4 4020d803 00000050 40204f74 3ffffeb0: feefeffe 3ffef388 00000007 3ffeed0c 3ffffec0: 3ffeed08 3ffeed10 3ffeed18 40202ef0 3ffffed0: 3ffeed0c 40205768 3ffe878e 3ffe878e 3ffffee0: 00000010 3ffef8f8 0000000e 3fff1438 3ffffef0: 00000009 3fff13f0 40205740 3fff15ac 3fffff00: 3fff16fc 3fff172c 00000010 00000000 3fffff10: 3ffef140 00000000 00000000 3fffff14 3fffff20: 3fffff14 00000000 00000002 3fff1404 3fffff30: 3fff1404 3fff1414 3ffefc1c 4021d080 3fffff40: 3fffdad0 3ffeed98 3ffeed0c 4021d0a6 3fffff50: 40203dc6 00000014 00000014 3ffeed0c 3fffff60: 3ffeed08 3ffeed3c 3ffeed18 402030b9 3fffff70: 3ffe878e 3ffe877a feefeffe feefeffe 3fffff80: feefeffe feefeffe feefeffe feefeffe 3fffff90: feefeffe feefeffe feefeffe 3ffeed98 3fffffa0: 3fffdad0 00000000 3ffeed64 402038f4 3fffffb0: feefeffe feefeffe 3ffe85c4 401004d9 <<<stack<<< ets Jan 8 2013,rst cause:2, boot mode:(3,6) load 0x4010f000, len 1384, room 16 tail 8 chksum 0x2d csum 0x2d v8b899c12 ~ld
Decoded stack trace:
Exception 3: LoadStoreError: Processor internal physical address or data error during load or store PC: 0x4020b4d8 EXCVADDR: 0x4025a301 Decoding stack results 0x402085fa: classify_object_over_fdes at ../../../../dl/gcc-xtensa/libgcc/unwind-dw2-fde.c line 628 0x40207ef0: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 88 0x4020897c: search_object at ../../../../dl/gcc-xtensa/libgcc/unwind-dw2-fde.c line 749 0x40207ef0: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 88 0x40208e90: _Unwind_Find_FDE at ../../../../dl/gcc-xtensa/libgcc/unwind-dw2-fde.c line 1025 0x40207ef1: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 89 0x40207109: uw_frame_state_for at ../../../../dl/gcc-xtensa/libgcc/unwind-dw2.c line 1245 0x40207ef1: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 89 0x40214a27: __cxxabiv1::__cxa_throw(void*, std::type_info*, void (*)(void*)) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/eh_throw.cc line 83 0x40207b63: uw_init_context_1 at ../../../../dl/gcc-xtensa/libgcc/unwind-dw2.c line 1567 0x40207ef1: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 89 0x40214bc4: operator new(unsigned int) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/new_op.cc line 52 0x40204f74: malloc(size_t) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\umm_malloc\umm_malloc.cpp line 1677 0x40214bc4: operator new(unsigned int) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/new_op.cc line 52 0x40214bc4: operator new(unsigned int) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/new_op.cc line 52 0x40225344: std::string::_Rep::_S_create(unsigned int, unsigned int, std::allocator const&) at /workdir/arena/gcc/xtensa-lx106-elf/libstdc++-v3/include/bits/basic_string.tcc line 621 0x40207ef1: _Unwind_RaiseException at ../../../../dl/gcc-xtensa/libgcc/unwind.inc line 89 0x402149b8: __gxx_exception_cleanup(_Unwind_Reason_Code, _Unwind_Exception*) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/eh_throw.cc line 33 0x40214a27: __cxxabiv1::__cxa_throw(void*, std::type_info*, void (*)(void*)) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/eh_throw.cc line 83 0x4022671a: std::__throw_regex_error(std::regex_constants::error_type) at ../../../../../../dl/gcc-xtensa/libstdc++-v3/src/c++11/functexcept.cc line 118 0x40202580: std::__detail::_Compiler >::_M_bracket_expression() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 974 0x40202bd8: std::__detail::_Compiler >::_M_atom() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 960 0x40204d30: _umm_free(void*) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\umm_malloc\umm_malloc.cpp line 1304 0x40205158: free(void*) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\umm_malloc\umm_malloc.cpp line 1764 0x40214bc4: operator new(unsigned int) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/new_op.cc line 52 0x40202c66: std::__detail::_Compiler >::_M_term() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 795 0x40202908: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 773 0x40204d30: _umm_free(void*) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\umm_malloc\umm_malloc.cpp line 1304 0x4020297c: std::__detail::_Compiler >::_M_disjunction() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 759 0x402142fe: operator delete(void*) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/del_op.cc line 48 0x40201146: std::_Function_base::_Base_manager > >::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2/functional line 1954 0x40202b58: std::__detail::_Compiler >::_M_atom() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 948 0x40201110: std::_Function_base::_Base_manager > >::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2/functional line 1931 0x40205480: std::_Function_handler > >::_M_invoke(std::_Any_data const&, std::__detail::_PatternCursor const&, std::__detail::_Results&) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_nfa.h line 97 0x402027f3: std::__detail::_Compiler >::_M_quantifier() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 866 0x40202c66: std::__detail::_Compiler >::_M_term() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 795 0x40202908: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 773 0x40202c5d: std::__detail::_Compiler >::_M_term() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 798 0x40202933: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 777 0x40202933: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 777 0x40202933: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 777 0x40202933: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 777 0x40202933: std::__detail::_Compiler >::_M_alternative() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 777 0x4020297c: std::__detail::_Compiler >::_M_disjunction() at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 759 0x402142fe: operator delete(void*) at ../../../../../dl/gcc-xtensa/libstdc++-v3/libsupc++/del_op.cc line 48 0x40201146: std::_Function_base::_Base_manager > >::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2/functional line 1954 0x40202da4: std::__detail::_Compiler >::_Compiler(char const* const&, char const* const&, std::regex_traits &, unsigned int) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 730 0x40201110: std::_Function_base::_Base_manager > >::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2/functional line 1931 0x40205480: std::_Function_handler > >::_M_invoke(std::_Any_data const&, std::__detail::_PatternCursor const&, std::__detail::_Results&) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_nfa.h line 97 0x4020d803: wctob at /home/earle/src/esp-quick-toolchain/repo/newlib/newlib/libc/stdlib/wctob.c line 22 0x40204f74: malloc(size_t) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\umm_malloc\umm_malloc.cpp line 1677 0x40202ef0: std::__detail::__compile >(char const* const&, char const* const&, std::regex_traits &, unsigned int) at c:\users\bw1ebed0\appdata\local\arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9\xtensa-lx106-elf\include\c++\4.8.2\bits/regex_compiler.h line 1105 0x4021d080: std::locale::_S_initialize_once() at ../../../../../../dl/gcc-xtensa/libstdc++-v3/src/c++98/locale_init.cc line 267 0x4021d0a6: std::locale::_S_initialize() at ../../../../../../dl/gcc-xtensa/libstdc++-v3/src/c++98/locale_init.cc line 280 0x40203dc6: delay(unsigned long) at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\core_esp8266_wiring.cpp line 57 0x402030b9: setup() at D:\UserData\bw1ebed0\Documents\Arduino\Regex/Regex.ino line 9 0x402038f4: loop_wrapper() at C:\Users\bw1ebed0\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.5.2\cores\esp8266\core_esp8266_main.cpp line 122
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