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[GH-ISSUE #233] Mini-AP loses WiFi #3449
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Reference: starred/OpenEPaperLink#3449
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Originally created by @dl6lr on GitHub (Feb 19, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/233
After having run OpenEPaperLink for almost a year, I updated to 2.07b. Things went smooth, but now the AP loses its Wifi connection very often. Sometimes it runs for only one hour, then loses connection and does not reconnect, but spans up its own SSID for configuration.
This can't be reproduced, but occurs at random intervals.
Log of last events:
Any hints?
@dl6lr commented on GitHub (Feb 22, 2024):
My AP has become extremely unstable with 2.07b. It now has lost all its configured tags, they show up without alias, even the segmented tag of the AP was lost. Furthermore, I see some odd files in the littlefs, in the root there are two .raw files that I expected to be in /current, in /current one raw file of one tag is an old one, where the tag shows a newer one uploaded by the http api.
I downgraded to 2.05 and this is more or less stable again. The WiFi connection is retained but I see some Panic-Reboots. Have to connect to a computer and catch the output...
@jonas1972 commented on GitHub (Feb 24, 2024):
I have similar behaviour. My system always boots and works for a short while, but then becomes unresponsive and non-working. I can’t reach the AP web server Using the IP address when that happens. Nothing looks strange on the display. This started after an upgrade to 2.07b, but I have downgraded to 2.05, and unfortenately I still have problems.
@dl6lr commented on GitHub (Feb 24, 2024):
I updated to 2.07b again and tried to gather a serial log, but the AP stopped working without any notice. Now it is flashing yellow(?)/yellow/red and the blue ESP-LED sometimes blinks. This is the first time I ever encountered this.
The famous last words on the debug:
Here is another log where it had a hard time connecting to Wifi:
Then after a power cycle:
@nlimper commented on GitHub (Feb 29, 2024):
Please update to version 2.5-beta3 and see if it has improved. A lot has changed in the latest versions regarding stability.
Also, in case of WiFi problems, make sure it's not caused by your WiFi access point. The ESP32-S3 has a very basic WiFi stack, and lacks the extended possibilities of sophisticated WiFi routers.
I'm closing this one, but feel free to re-open if needed.