Core panic when using FreeRTOS Cellular library
Posted: Fri Jul 07, 2023 9:17 am
Hi
I am using an ESP32-S3-WROOM-1-N4 on a custom PCB with a Quectel BG770 modem connected via UART.
To handle communication with the modem, I have installed the FreeRTOS cellular library, which mostly works perfectly fine.
Data is sent over CoAP to Mainflux using the AT-cmds for socket-handling.
Now comes the weird part:
When sending small amounts of data (~400bytes) everything works as expected.
Now I try to send ~700bytes of data and everything crashes.
I have stepped through the code with gdb and found the exact point where it crashes:
Taking the mutex crashes everything. But as I said, only when trying to sending larger amounts of data.
Does anyone have the same issue or any idea why this is happening ?
I am using an ESP32-S3-WROOM-1-N4 on a custom PCB with a Quectel BG770 modem connected via UART.
To handle communication with the modem, I have installed the FreeRTOS cellular library, which mostly works perfectly fine.
Data is sent over CoAP to Mainflux using the AT-cmds for socket-handling.
Now comes the weird part:
When sending small amounts of data (~400bytes) everything works as expected.
Now I try to send ~700bytes of data and everything crashes.
I have stepped through the code with gdb and found the exact point where it crashes:
Code: Select all
cellular_common.c:447: (PlatformMutex_Lock( &pContext->libStatusMutex );Does anyone have the same issue or any idea why this is happening ?
Code: Select all
Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
Core 0 register dump:
PC : 0x40383af0 PS : 0x00060730 A0 : 0x803821df A1 : 0x3fc9fda0
A2 : 0x227b2ca9 A3 : 0x3fca0d08 A4 : 0x00060720 A5 : 0x000003f4
A6 : 0x00000000 A7 : 0x00001633 A8 : 0x00000000 A9 : 0x3fc9fd90
A10 : 0x227b2cb1 A11 : 0x00000018 A12 : 0x00060720 A13 : 0x3fc9c3a8
A14 : 0x3fca95c4 A15 : 0x00002710 SAR : 0x00000004 EXCCAUSE: 0x0000001c
EXCVADDR: 0x00000000 LBEG : 0x400556d5 LEND : 0x400556e5 LCOUNT : 0xffffffff
Backtrace: 0x40383aed:0x3fc9fda0 0x403821dc:0x3fc9fdc0 0x4038141a:0x3fc9fde0 0x420190db:0x3fc9fe20 0x42019255:0x3fc9fe40 0x42016e88:0x3fc9fe60 0x42014459:0x3fc9fe90 0x4201236f:0x3fc9ff40 0x4200ded0:0x3fc9ff90 0x4201041d:0x3fc9ffb0 0x4200eb29:0x3fca0020 0x4200f2e9:0x3fca0060 0x4200f9a6:0x3fca00a0 0x4200e08c:0x3fca00c0 0x4200cbba:0x3fca0110 0x4200cddc:0x3fca0af0 0x4200d27e:0x3fca0b10 0x4200b6a2:0x3fca0b30 0x42048142:0x3fca0b50 0x40382bde:0x3fca0b80