Using the latest version from the develop branch, on an ESP32 with SSL enabled, I get the following crash a few seconds after calling Homie.prepareToSleep(), and never get a READY_TO_SLEEP event:
0 0x4008d190:0x3ffd5720 in invoke_abort at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp32/panic.c:707
1 0x4008d3c1:0x3ffd5740 in abort at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp32/panic.c:707
2 0x401120c3:0x3ffd5760 in __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)
3 0x4012b913:0x3ffd5790 in pbuf_free at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/lwip/src/core/pbuf.c:1331
4 0x401969c1:0x3ffd57b0 in AsyncClient::_recv(tcp_pcb, pbuf, signed char) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
5 0x40196a99:0x3ffd5800 in AsyncClient::_s_recv(void, tcp_pcb, pbuf*, signed char) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
6 0x40196fd2:0x3ffd5820 in _async_service_task(void*) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
(inlined by) _async_service_task at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:202
7 0x400898a5:0x3ffd5850 in vPortTaskWrapper at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/freertos/port.c:355 (discriminator 1)
Using the latest version from the develop branch, on an ESP32 with SSL enabled, I get the following crash a few seconds after calling Homie.prepareToSleep(), and never get a READY_TO_SLEEP event:
Offline message acknowledged. Disconnecting MQTT... assertion "pbuf_free: p->ref > 0" failed: file "/home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/lwip/src/core/pbuf.c", line 765, function: pbuf_free
Backtrace: 0x4008d190:0x3ffd5720 0x4008d3c1:0x3ffd5740 0x401120c3:0x3ffd5760 0x4012b913:0x3ffd5790 0x401969c1:0x3ffd57b0 0x40196a99:0x3ffd5800 0x40196fd2:0x3ffd5820 0x400898a5:0x3ffd5850
0 0x4008d190:0x3ffd5720 in invoke_abort at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp32/panic.c:707
1 0x4008d3c1:0x3ffd5740 in abort at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/esp32/panic.c:707
2 0x401120c3:0x3ffd5760 in __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)
3 0x4012b913:0x3ffd5790 in pbuf_free at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/lwip/lwip/src/core/pbuf.c:1331
4 0x401969c1:0x3ffd57b0 in AsyncClient::_recv(tcp_pcb, pbuf, signed char) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
5 0x40196a99:0x3ffd5800 in AsyncClient::_s_recv(void, tcp_pcb, pbuf*, signed char) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
6 0x40196fd2:0x3ffd5820 in _async_service_task(void*) at .pio/libdeps/m5stick-c/AsyncTCP/src/AsyncTCP.cpp:1246
7 0x400898a5:0x3ffd5850 in vPortTaskWrapper at /home/runner/work/esp32-arduino-lib-builder/esp32-arduino-lib-builder/esp-idf/components/freertos/port.c:355 (discriminator 1)
Rebooting... ets Jun 8 2016 00:22:57
rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 188777542, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 load:0x3fff001c,len:1044 load:0x40078000,len:8896 load:0x40080400,len:5828 entry 0x400806ac