Bootloader _init warning

Remyhx
Posts: 23
Joined: Thu Jun 17, 2021 8:22 pm

Bootloader _init warning

Postby Remyhx » Tue Feb 15, 2022 8:33 pm

Hi,

I tried to find a solution for this warning, but can’t find any answer. The program just runs fine, but I don’t like the warning message:
B1C61C83-4363-4F99-84B9-B100806A3DA3.jpeg
B1C61C83-4363-4F99-84B9-B100806A3DA3.jpeg (112.99 KiB) Viewed 2185 times
Does anybody know what to do? Its without ota, unsecured boatloader, one app program. Esp32 rev 1.

ESP_Sprite
Posts: 9746
Joined: Thu Nov 26, 2015 4:08 am

Re: Bootloader _init warning

Postby ESP_Sprite » Wed Feb 16, 2022 2:58 am

It's not a warning, and that line actually is not generated by the ESP32, but by the 'idf.py monitor' terminal program. That program tries to generally be helpful, and one of the ways it does that is by scanning the output for lines that look like valid memory or flash addresses; if they are, it tries to resolve it to a symbol in your program. This is helpful for crash dumps, pointer printfs etc. In this particular case, it latches on to the bootloader printing 0x40080400 and decides it can resolve that, resulting in it printing the yellow line.

Remyhx
Posts: 23
Joined: Thu Jun 17, 2021 8:22 pm

Re: Bootloader _init warning

Postby Remyhx » Thu Feb 17, 2022 11:05 am

Ah that explains why i didn’t see it with the putty app!

Many thx! Could it be initiated because of the connected SD(MMC) to the module? I noticed a lot of people with dumped outputs and the sd example. (But not questionned this particulary warning)

ESP_Sprite
Posts: 9746
Joined: Thu Nov 26, 2015 4:08 am

Re: Bootloader _init warning

Postby ESP_Sprite » Fri Feb 18, 2022 1:21 am

No, it's something that depends on the layout of the binary, and that has nothing to do with SDMMC stuff.

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