timer overflow and 'wifi' task watchdog

[davdav]

Hi all,

I'm currently using esp-idf master branch commit a557e8cc14880717f242918a754cbc37d85e036a

I have noted the 'wifi' task seems less stable. In particular sometimes calling

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esp_wifi_stop()

seems to hang up the task which is calling the API.

Doing an overnight test I have found this log (please consider I don't use timer in my project)

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D (60741551) esp_timer: timer queue overflow
Task watchdog got triggered. The following tasks did not reset the watchdog in time:
 - IDLE (CPU 0)
Tasks currently running:
CPU 0: wifi
CPU 1: IDLE

Morevoer in this situation

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esp_restart()[/void]
doesn't work and the chip is not reset.

It seems an issue occured recently because I didn't got it in the past. I'm going to test v3.1-rc1 if it happens also on that pre-release.