[GH-ISSUE #355] Wifimanager with FS parameter - FS collapses and resets continuously #300

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opened 2026-02-28 01:24:36 +03:00 by kerem · 6 comments
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Originally created by @nhaduy99 on GitHub (Apr 15, 2017).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/355

Hi,
I have a problem with this, I used Wifimanager with FS parameter example. At first, everything is OK, then after a few days my ESP8266 WeMos D1 doesn't work as before, and it juts resets continously. I checked the Serial Monitor and this is the reason:
mounting FS...
mounted file system
reading config file
opened config file
{"table_ID":"hello","restaurant_ID":"seppy"}
parsed json

Exception (28):
epc1=0x4000bf0e epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000

ctx: cont
sp: 3fff04b0 end: 3fff07b0 offset: 01a0

stack>>>
3fff0650: 3fff07d4 3fff157c 3ffef6c0 402073c7
3fff0660: 3ffe9180 00000000 000003e8 feefeffe
3fff0670: 3fff153c 3fff1084 feefeffe feefeffe
3fff0680: feefeffe feefeffe feefeffe feefeffe
3fff0690: feefeffe feefeffe feefeffe feefeffe
3fff06a0: feefeffe feefeffe feefeffe feefeffe
3fff06b0: feefeffe feefeffe feefeffe feefeffe
3fff06c0: feefeffe feefeffe feefeffe feefeffe
3fff06d0: feefeffe feefeffe feefeffe feefeffe
3fff06e0: feefeffe feefeffe feefeffe feefeffe
3fff06f0: feefeffe feefeffe feefeffe feefeffe
3fff0700: feefeffe feefeffe feefeffe 3fff0724
3fff0710: 3fff15a8 3fff159f feefef0a feefeffe
3fff0720: feefeffe 3ffe8870 feefeffe 3fff1f14
3fff0730: 00000200 feefeffe feefeffe feefeffe
3fff0740: feefeffe feefeffe feefeffe feefeffe
3fff0750: feefeffe feefeffe feefeffe feefeffe
3fff0760: feefeffe feefeffe feefeffe feefeffe
3fff0770: feefeffe feefeffe feefeffe feefeffe
3fff0780: feefeffe feefeffe feefeffe 3ffef77c
3fff0790: 3fffdad0 00000000 3ffef774 4020e6b8
3fff07a0: feefeffe feefeffe 3ffef790 40100718
<<<stack<<<

ets Jan 8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 1384, room 16
tail 8
chksum 0x2d
csum 0x2d
v09f0c112
~ld

I dont know what happened. How can I solve this.

Thanks

Originally created by @nhaduy99 on GitHub (Apr 15, 2017). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/355 Hi, I have a problem with this, I used Wifimanager with FS parameter example. At first, everything is OK, then after a few days my ESP8266 WeMos D1 doesn't work as before, and it juts resets continously. I checked the Serial Monitor and this is the reason: mounting FS... mounted file system reading config file opened config file {"table_ID":"hello","restaurant_ID":"seppy"} parsed json Exception (28): epc1=0x4000bf0e epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000 ctx: cont sp: 3fff04b0 end: 3fff07b0 offset: 01a0 >>>stack>>> 3fff0650: 3fff07d4 3fff157c 3ffef6c0 402073c7 3fff0660: 3ffe9180 00000000 000003e8 feefeffe 3fff0670: 3fff153c 3fff1084 feefeffe feefeffe 3fff0680: feefeffe feefeffe feefeffe feefeffe 3fff0690: feefeffe feefeffe feefeffe feefeffe 3fff06a0: feefeffe feefeffe feefeffe feefeffe 3fff06b0: feefeffe feefeffe feefeffe feefeffe 3fff06c0: feefeffe feefeffe feefeffe feefeffe 3fff06d0: feefeffe feefeffe feefeffe feefeffe 3fff06e0: feefeffe feefeffe feefeffe feefeffe 3fff06f0: feefeffe feefeffe feefeffe feefeffe 3fff0700: feefeffe feefeffe feefeffe 3fff0724 3fff0710: 3fff15a8 3fff159f feefef0a feefeffe 3fff0720: feefeffe 3ffe8870 feefeffe 3fff1f14 3fff0730: 00000200 feefeffe feefeffe feefeffe 3fff0740: feefeffe feefeffe feefeffe feefeffe 3fff0750: feefeffe feefeffe feefeffe feefeffe 3fff0760: feefeffe feefeffe feefeffe feefeffe 3fff0770: feefeffe feefeffe feefeffe feefeffe 3fff0780: feefeffe feefeffe feefeffe 3ffef77c 3fff0790: 3fffdad0 00000000 3ffef774 4020e6b8 3fff07a0: feefeffe feefeffe 3ffef790 40100718 <<<stack<<< ets Jan 8 2013,rst cause:2, boot mode:(3,6) load 0x4010f000, len 1384, room 16 tail 8 chksum 0x2d csum 0x2d v09f0c112 ~ld I dont know what happened. How can I solve this. Thanks
kerem closed this issue 2026-02-28 01:24:37 +03:00
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@spudwebb commented on GitHub (Aug 30, 2017):

I'm having the same kind of issue.
Did you find the cause?

<!-- gh-comment-id:326121789 --> @spudwebb commented on GitHub (Aug 30, 2017): I'm having the same kind of issue. Did you find the cause?
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@tablatronix commented on GitHub (Aug 30, 2017):

This is usually a memory access error

Do you have a sample sketch?

<!-- gh-comment-id:326137913 --> @tablatronix commented on GitHub (Aug 30, 2017): This is usually a memory access error Do you have a sample sketch?
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@spudwebb commented on GitHub (Aug 31, 2017):

Turns out it was caused by a non initialized pointer in my code.
Everything is working as expected now
Thanks!

<!-- gh-comment-id:326296948 --> @spudwebb commented on GitHub (Aug 31, 2017): Turns out it was caused by a non initialized pointer in my code. Everything is working as expected now Thanks!
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@asahajit commented on GitHub (Jan 23, 2018):

I am also having the same issue. Tried 2nd and 3rd example it's failing.

Error 👎

mounting FS...
mounted file system
reading config file
opened config file
{"apiKey":"123456","channelId":"UCezJOfu7OtqGzd5xrP3q6WA"}
parsed json

Exception (28):
epc1=0x40212442 epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000

ctx: cont
sp: 3fff0b90 end: 3fff0ea0 offset: 01a0

stack>>>
3fff0d30: 0000003a 3fff2f74 3ffefdb0 40207f76
3fff0d40: 3ffe95f8 00000000 000003e8 feefeffe
3fff0d50: 3fff2f1c 3fff2f5c feefeffe feefeffe
3fff0d60: feefeffe feefeffe feefeffe feefeffe
3fff0d70: feefeffe feefeffe feefeffe feefeffe
3fff0d80: feefeffe feefeffe feefeffe feefeffe
3fff0d90: feefeffe feefeffe feefeffe feefeffe
3fff0da0: feefeffe feefeffe feefeffe feefeffe
3fff0db0: feefeffe feefeffe feefeffe feefeffe
3fff0dc0: feefeffe feefeffe feefeffe feefeffe
3fff0dd0: feefeffe feefeffe feefeffe feefeffe
3fff0de0: feefeffe feefeffe feefeffe 3ffefdb0
3fff0df0: 0000003a 3fff2fa5 feefef0a feefeffe
3fff0e00: feefeffe 3ffe8d10 feefeffe 3fff2fb4
3fff0e10: 00000200 feefeffe feefeffe feefeffe
3fff0e20: feefeffe feefeffe feefeffe feefeffe
3fff0e30: feefeffe feefeffe feefeffe feefeffe
3fff0e40: feefeffe feefeffe feefeffe feefeffe
3fff0e50: feefeffe feefeffe feefeffe feefeffe
3fff0e60: 00000000 feefeffe feefeffe feefeffe
3fff0e70: feefeffe feefeffe feefeffe 3ffefe70
3fff0e80: 3fffdad0 00000000 3ffefe68 4020f6b0
3fff0e90: feefeffe feefeffe 3ffefe80 40100710
<<<stack<<<

ets Jan 8 2013,rst cause:2, boot mode:(1,6)

ets Jan 8 2013,rst cause:4, boot mode:(1,6)

wdt reset
r$

<!-- gh-comment-id:359787235 --> @asahajit commented on GitHub (Jan 23, 2018): I am also having the same issue. Tried 2nd and 3rd example it's failing. Error 👎 mounting FS... mounted file system reading config file opened config file {"apiKey":"123456","channelId":"UCezJOfu7OtqGzd5xrP3q6WA"} parsed json Exception (28): epc1=0x40212442 epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000 ctx: cont sp: 3fff0b90 end: 3fff0ea0 offset: 01a0 >>>stack>>> 3fff0d30: 0000003a 3fff2f74 3ffefdb0 40207f76 3fff0d40: 3ffe95f8 00000000 000003e8 feefeffe 3fff0d50: 3fff2f1c 3fff2f5c feefeffe feefeffe 3fff0d60: feefeffe feefeffe feefeffe feefeffe 3fff0d70: feefeffe feefeffe feefeffe feefeffe 3fff0d80: feefeffe feefeffe feefeffe feefeffe 3fff0d90: feefeffe feefeffe feefeffe feefeffe 3fff0da0: feefeffe feefeffe feefeffe feefeffe 3fff0db0: feefeffe feefeffe feefeffe feefeffe 3fff0dc0: feefeffe feefeffe feefeffe feefeffe 3fff0dd0: feefeffe feefeffe feefeffe feefeffe 3fff0de0: feefeffe feefeffe feefeffe 3ffefdb0 3fff0df0: 0000003a 3fff2fa5 feefef0a feefeffe 3fff0e00: feefeffe 3ffe8d10 feefeffe 3fff2fb4 3fff0e10: 00000200 feefeffe feefeffe feefeffe 3fff0e20: feefeffe feefeffe feefeffe feefeffe 3fff0e30: feefeffe feefeffe feefeffe feefeffe 3fff0e40: feefeffe feefeffe feefeffe feefeffe 3fff0e50: feefeffe feefeffe feefeffe feefeffe 3fff0e60: 00000000 feefeffe feefeffe feefeffe 3fff0e70: feefeffe feefeffe feefeffe 3ffefe70 3fff0e80: 3fffdad0 00000000 3ffefe68 4020f6b0 3fff0e90: feefeffe feefeffe 3ffefe80 40100710 <<<stack<<< ets Jan 8 2013,rst cause:2, boot mode:(1,6) ets Jan 8 2013,rst cause:4, boot mode:(1,6) wdt reset r$
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@tablatronix commented on GitHub (Jan 23, 2018):

Can you post exact reproducable steps and code?

<!-- gh-comment-id:359954467 --> @tablatronix commented on GitHub (Jan 23, 2018): Can you post exact reproducable steps and code?
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@asahajit commented on GitHub (Jan 26, 2018):

it worked and issue got fixed with "SPIFFS.format();" . 👍 thanks for your support .

<!-- gh-comment-id:360879016 --> @asahajit commented on GitHub (Jan 26, 2018): it worked and issue got fixed with "SPIFFS.format();" . :+1: thanks for your support .
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