ESP8266 Community Forum

Posted: **Tue Sep 26, 2017 9:06 am**

Hi,

sometimes my ESP trigger this SOFT WDT output...

Soft WDT reset<CR><LF>
<CR><LF>
ctx: cont <CR><LF>
sp: 3ffefbf0 end: 3ffeff40 offset: 01b0<CR><LF>
<CR><LF>
>>>stack>>><CR><LF>
3ffefda0:  3ffeeb60 000000ff 3ffe837b 00000030  <CR><LF>
3ffefdb0:  3ffeee38 00000172 00000172 3ffeee38  <CR><LF>
3ffefdc0:  0000ad10 3ffeeb60 00000000 4010053d  <CR><LF>
3ffefdd0:  0000ad04 00000b90 00000172 00000172  <CR><LF>
3ffefde0:  3ffeee38 000000db 000000db 3ffefe40  <CR><LF>
3ffefdf0:  0000ad10 3ffeeb60 3ffeeb60 40205e10  <CR><LF>
3ffefe00:  0000ad00 00000001 3ffeeb60 40205e5f  <CR><LF>
3ffefe10:  3ffeee38 00000001 3ffeeb60 40206051  <CR><LF>
3ffefe20:  3ffe903c 0000000d 3ffeeb60 3ffe837b  <CR><LF>
3ffefe30:  000000ff 3ffeeb60 00000026 402060d4  <CR><LF>
3ffefe40:  3ffe00ff 3ffeed48 3ffeee40 402059fd  <CR><LF>
3ffefe50:  3ffe8618 3ffeed0c 3ffeee40 402026ee  <CR><LF>
3ffefe60:  3ffeed6c 00000064 3ffeee40 40205a74  <CR><LF>
3ffefe70:  3ffeeb2c 3ffeed48 3ffeed3c 00000001  <CR><LF>
3ffefe80:  3ffeeb2c 3ffeeb28 3ffeee40 40202a6a  <CR><LF>
3ffefe90:  00000000 00000000 00000000 00000000  <CR><LF>
3ffefea0:  00000000 00000000 3ffeee40 40205a28  <CR><LF>
3ffefeb0:  3ffe89d0 00000000 3ffeee40 3ffeeae3  <CR><LF>
3ffefec0:  00000000 3ffeeb1c 3ffeee40 40202b6c  <CR><LF>
3ffefed0:  00000000 00000000 3ffeef10 40202055  <CR><LF>
3ffefee0:  3ffe836d 3ffeed6c 3ffeee40 3ffeef18  <CR><LF>
3ffefef0:  3fffdad0 00000000 3ffeef10 40202ba5  <CR><LF>
3ffeff00:  3fffdad0 3ffeeb18 3ffe837d 4020392c  <CR><LF>
3ffeff10:  00000000 00000000 00000001 3ffeef18  <CR><LF>
3ffeff20:  3fffdad0 00000000 3ffeef10 40206470  <CR><LF>
3ffeff30:  feefeffe feefeffe 3ffeef20 40100718  <CR><LF>
<<<stack<<<<CR><LF>
<CR><LF>
ets Jan  8 2013,rst cause:1, boot mode:(3,7)<CR><LF>
<CR><LF>
load 0x4010f000, len 1384, room 16 <CR><LF>
tail 8<CR><LF>
chksum 0x2d<CR><LF>
csum 0x2d<CR><LF>
v09826c6d<CR><LF>
~ld<LF>

What is this?

Thanks

Posted: **Tue Sep 26, 2017 9:45 am**

Did You try the exception decoder?

Posted: **Tue Sep 26, 2017 4:44 pm**

Soft watchdog reset are in 99% of the cases your code starving the WiFi-stack (with for instance a long delay).
Insert some yield() function in lengthy operations and don't write code that might lock up the processor for longer than 6 seconds. :idea:

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