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[BUG] [EFR32] LwIP stalling after an hour when device is reconnecting to WiFi AP several times #26966

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rosahay-silabs opened this issue May 31, 2023 · 0 comments · Fixed by #27263
Closed

[BUG] [EFR32] LwIP stalling after an hour when device is reconnecting to WiFi AP several times #26966

rosahay-silabs opened this issue May 31, 2023 · 0 comments · Fixed by #27263

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@rosahay-silabs
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Reproduction steps

Steps to reproduce:

  1. Connected the device using chip-tool pairing ble-wifi with additional details of SSID PSK PASSCODE DISCRIMINATOR
  2. Reconnect the device using scripted automated runs. Roughly tested with reconnections every 15 seconds/30 seconds.

Observation:

  1. The device connects back to WiFi AP, LwIP starts the SLAAC-DAD process but stops marking the address as preferred. This is taking around an hour to occur with the above automation.

Bug prevalence

hourly

GitHub hash of the SDK that was being used

cfb9994

Platform

efr32

Platform Version(s)

No response

Anything else?

No response
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[Silabs] Adds fix for stalling LwIP SLAAC process rosahay-silabs/connectedhomeip
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@rosahay-silabs