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espressif / esp-dl

Espressif deep-learning library for AIoT applications
MIT License
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Issue while reading file from SD card #9

Closed Kirankumar-xenlabs closed 4 years ago

Kirankumar-xenlabs commented 4 years ago

Hello, I want to read a simple text file, after face detection, system crashed when fread function called, writing a txt file/ image file it is working well, I pasted the backtrace please refer

Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled. Core 1 register dump: PC : 0x400d8404 PS : 0x00060230 A0 : 0x800d84fc A1 : 0x3ffc4da0 0x400d8404: _fread_r at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/stdio/../../../.././newlib/libc/stdio/fread.c:194

A2 : 0x3ffc4f6c A3 : 0x3ffc4e00 A4 : 0x00000001 A5 : 0x00000001 A6 : 0x00000000 A7 : 0x3ffb22a8 A8 : 0x00000001 A9 : 0x3ffc4d90 A10 : 0x3ffc4f04 A11 : 0x00000000 A12 : 0x00000000 A13 : 0x000001b6 A14 : 0x00000072 A15 : 0x0000002b SAR : 0x0000000c EXCCAUSE: 0x0000001c EXCVADDR: 0x00000064 LBEG : 0x40090ac0 LEND : 0x40090acb LCOUNT : 0x00000000 0x40090ac0: memset at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/machine/xtensa/../../../../.././newlib/libc/machine/xtensa/memset.S:142

0x40090acb: memset at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/machine/xtensa/../../../../.././newlib/libc/machine/xtensa/memset.S:152

Backtrace: 0x400d8404:0x3ffc4da0 0x400d84f9:0x3ffc4dd0 0x400d59d9:0x3ffc4df0 0x400891a9:0x3ffc4e70 0x400d8404: _fread_r at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/stdio/../../../.././newlib/libc/stdio/fread.c:194

0x400d84f9: fread at /home/jeroen/esp8266/esp32/newlib_xtensa-2.2.0-bin/newlib_xtensa-2.2.0/xtensa-esp32-elf/newlib/libc/stdio/../../../.././newlib/libc/stdio/fread.c:301

0x400d59d9: task_process at C:\Users\XL008\Desktop\esp-idf\esp-who-master\examples\single_chip\fd_sd\build/../main/app_facenet.c:156

0x400891a9: vPortTaskWrapper at C:/Users/XL008/Desktop/ESP/esp-idf-2/components/freertos/port.c:435

Thanks & Regards, Kiran

igrr commented 4 years ago

Looks like a NULL pointer is passed to fread. Suggest enabling GDB Stub and checking the arguments in backtrace.

Kirankumar-xenlabs commented 4 years ago

@igrr thank you for reply, how do I enable that, by using menuconfig?

XiaochaoGONG commented 4 years ago

Or you can debug with 'printf' :)