ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
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ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
I have a question about the operation of ESP32 after uploading code in the Arduino IDE environment.
This problem has been bothering me for several weeks.
Let me first describe my environment:
OS version: Windows 10 Pro 22H2 (19045.3324)
Arduino version: 1.8.13
Board Manager ESP32 version: 2.0.13 (by Espressif System)
The problem is described as follows:
This code was developed in 2021 using "DOIT ESP32 DEVKIT V1" and everything was working fine at that time.
Recently, I needed to copy a system and purchased two development boards "NodeMCU-32S" and "ESP32 DevKit V1" through the Internet for program upload.
After the upload was completed, I found through the Serial Monitor window that "the system booted repeatedly and continued to output register dumps" and the message "Guru Meditation Error: Core 1 Panic'ed (IllegalInstruction). Exception was unhandled" was displayed. Found in these messages.
The source code and the screenshots of Serial monitor output message are attached.
I would like to know:
1. What’s wrong with Code?
2. How should I deal with it?
This problem has been bothering me for several weeks.
Let me first describe my environment:
OS version: Windows 10 Pro 22H2 (19045.3324)
Arduino version: 1.8.13
Board Manager ESP32 version: 2.0.13 (by Espressif System)
The problem is described as follows:
This code was developed in 2021 using "DOIT ESP32 DEVKIT V1" and everything was working fine at that time.
Recently, I needed to copy a system and purchased two development boards "NodeMCU-32S" and "ESP32 DevKit V1" through the Internet for program upload.
After the upload was completed, I found through the Serial Monitor window that "the system booted repeatedly and continued to output register dumps" and the message "Guru Meditation Error: Core 1 Panic'ed (IllegalInstruction). Exception was unhandled" was displayed. Found in these messages.
The source code and the screenshots of Serial monitor output message are attached.
I would like to know:
1. What’s wrong with Code?
2. How should I deal with it?
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Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
You can debug the backtrace. https://github.com/espressif/arduino-es ... exceptions
If you roll back to the version of arduino-esp32 you originally programmed the code in, it is likely to work. You can see the branch dates at https://github.com/espressif/arduino-esp32/releases
If you roll back to the version of arduino-esp32 you originally programmed the code in, it is likely to work. You can see the branch dates at https://github.com/espressif/arduino-esp32/releases
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
Try adding a dummy return value to following function in IS31FL3733.cpp or better yet, make it a void :
uint8_t IS31FL3733::set_page(uint8_t page)
{
write_reg(0xFE, 0xC5);
write_reg(0xFD, page);
}
I had this exact same problem after moving to 2.0.11 ESP32 Arduino.
See https://esp32.com/viewtopic.php?f=19&t=35952
uint8_t IS31FL3733::set_page(uint8_t page)
{
write_reg(0xFE, 0xC5);
write_reg(0xFD, page);
}
I had this exact same problem after moving to 2.0.11 ESP32 Arduino.
See https://esp32.com/viewtopic.php?f=19&t=35952
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- Posts: 5
- Joined: Mon Sep 25, 2023 4:35 am
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
Thank you for your information.lbernstone wrote: ↑Tue Sep 26, 2023 1:46 amYou can debug the backtrace. https://github.com/espressif/arduino-es ... exceptions
If you roll back to the version of arduino-esp32 you originally programmed the code in, it is likely to work. You can see the branch dates at https://github.com/espressif/arduino-esp32/releases
I will try this again.
But I tested the LED flashing on the development board in the same development environment and it is normal.
So this has always puzzled me.
I will try your opinion, thank you!
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- Posts: 5
- Joined: Mon Sep 25, 2023 4:35 am
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
Thanks for the suggestion, I will try it, thank you!markdh102 wrote: ↑Tue Sep 26, 2023 6:23 amTry adding a dummy return value to following function in IS31FL3733.cpp or better yet, make it a void :
uint8_t IS31FL3733::set_page(uint8_t page)
{
write_reg(0xFE, 0xC5);
write_reg(0xFD, page);
}
I had this exact same problem after moving to 2.0.11 ESP32 Arduino.
See https://esp32.com/viewtopic.php?f=19&t=35952
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- Posts: 5
- Joined: Mon Sep 25, 2023 4:35 am
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
After several days of testing, the same message appears no matter which version is used.lbernstone wrote: ↑Tue Sep 26, 2023 1:46 amYou can debug the backtrace. https://github.com/espressif/arduino-es ... exceptions
If you roll back to the version of arduino-esp32 you originally programmed the code in, it is likely to work. You can see the branch dates at https://github.com/espressif/arduino-esp32/releases
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- Posts: 5
- Joined: Mon Sep 25, 2023 4:35 am
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
Sorry, I've been thinking about your suggestions these days, but I don't know what code to add to IS31FL3733.cpp so that it will return dummy values. Can you give me some suggestions?markdh102 wrote: ↑Tue Sep 26, 2023 6:23 amTry adding a dummy return value to following function in IS31FL3733.cpp or better yet, make it a void :
uint8_t IS31FL3733::set_page(uint8_t page)
{
write_reg(0xFE, 0xC5);
write_reg(0xFD, page);
}
I had this exact same problem after moving to 2.0.11 ESP32 Arduino.
See https://esp32.com/viewtopic.php?f=19&t=35952
Re: ESP32 "Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled."
In the .cpp file change
to
In the .h file change
to
Code: Select all
uint8_t IS31FL3733::set_page(uint8_t page)
Code: Select all
void IS31FL3733::set_page(uint8_t page)
Code: Select all
uint8_t set_page(uint8_t page);
Code: Select all
void set_page(uint8_t page);
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