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qt py loses secrets.json when battery goes down #621

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migs35323 opened this issue Aug 22, 2024 · 8 comments
Open

qt py loses secrets.json when battery goes down #621

migs35323 opened this issue Aug 22, 2024 · 8 comments
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bug Something isn't working Status: Needs Investigation

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@migs35323
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Describe the bug

my qt-py s3 randomly loses the secrets.json credentials. when battery power goes out/down
i had noticed this issue in firmware beta .88 and right now i was testing with alpha .89 and same behavior
I usually power it through usb but i had been testing battery endurance, so i had been letting the battery go out on purpose.

as a side note, I once had the yellow light and boot out telling me the credentials where wrong, when i opened them in notepad/vscode, the file was correct. but i had to delete the file and recreate it to accept the credentials, however i can't seem to reproduce this again.
in this last behavior the only thing that comes to my mind, is there any sensitivity between LF and CRLF in the file? maybe i edited the file in windows and mixed it in ubuntu and WipperSnapper is not liking it...

Arduino board
qt-py s3 psram version aka qtpy-esp32s3-n4r2

To Reproduce
Steps to reproduce the behavior:

  1. setup qt py with battery and best friend
  2. let it run out of battery
  3. when plugging it again it shows yellow light, boot.out warns about credentials, secrets.json is back to stock again.
    PS: this doesn't happen every time, but about 2 out of 3 times it's not 100% consistent

Expected behavior
secrets,json to not be erased,
or maybe turn it into a toggeable feature where we can choose the secrets to be erased as security feature lol

Which components are connected to your device
qt py s3 (psram version) with battery best friend attached + 2 adafruit temperature sensors connected with stemma qt,

Desktop (please complete the following information):

  • OS: ubuntu 22 or windows 11

Additional context
Add any other context about the problem here.

@brentru
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brentru commented Aug 22, 2024

@tyeth Do you have cycles available to look at this bug?

@brentru brentru added bug Something isn't working Status: Needs Investigation labels Aug 22, 2024
@migs35323
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@tyeth Do you have cycles available to look at this bug?

what do you mean by cycles? battery cycles?

@brentru
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brentru commented Aug 22, 2024

@migs35323 Tyeth is an Adafruit engineer who works on WipperSnapper with me.

To clarify - I'm using "cycles" instead of "time", so I'm asking him if he has time to look at this or if I should.

@tyeth
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tyeth commented Aug 23, 2024

👋 I've been running with shorter cycles myself this week, medical issue, so likely to have a look around the middle of next week (once BFF arrives).
It's possible that using a mix of line endings might be considered corrupt and it self formatting. At the same time I have seen similar behaviour before. Will report back.

@tyeth
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tyeth commented Aug 27, 2024

Hardware just arrived, will setup a test.
Not that it should matter, but please comment as to which sensors you have attached to the StemmaQT port, and which kind of battery

@tyeth
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tyeth commented Aug 28, 2024 via email

@migs35323
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migs35323 commented Aug 28, 2024

Hardware just arrived, will setup a test. Not that it should matter, but please comment as to which sensors you have attached to the StemmaQT port, and which kind of battery

it's a pimoroni galleon battery (really love that one, it has a plastic shell so it doesn't freak me that i might pierce it with a header pin by accident and burn my house down lol)
i usually have some sensors like the tmp117, SHT45 and now MCP9808, i noticed it doesn't matter which ones i have..

I also have it connected usually to my raspberry pi 4 usb port as a power source, its a data cable but the rpi has no auto mount enabled (its acting as a server)
but i noticed it doesn't matter as well, happens no matter where i power it

i noticed that the file basiscally reverts to "insert credentials"
so it doesn't get like blank or have some weird characters, i edit it, save it, the qt py s3 connects to ada io, but when power goes out, i connect it to a usb port and YELLOW LIGHT, file reverts back to original "PLS FILL ME" state

@tyeth
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tyeth commented Oct 11, 2024

So to keep you in the loop, this is being looked at, and I did manage to recreate the situation with enough cycles of the device.
We want deep sleep / offline logging as a long term aim, and this is a showstopper.
I've also seen the file not in sync until the device was rebooted (like on the first boot the save was ignored), and I now superstitiously delete the secrets file before replacing it with a previously downloaded one. It's not consistent at all, and occurred for me on Windows, and alternatively after doing a reboot (i.e. on second ever boot) it's resolved. That may need to be broken out into a separate issue.

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