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WL1837MOD: WiFi module stops after 300s

Part Number: WL1837MOD
Other Parts Discussed in Thread: WL1837

Hi champs,

The following behavior is seen on a Microprocessor/Linux(4.9) + WL1837 system on wifi side :

  1. Turn on board and start Linux
  2. Configure Wifi module and network
  3. Network is working 300s
  4. After 300s kernel dump and WiFi module and SDIO communication does not working

Kernel dump stops because WiFi do not respond anymore.

Module is not accessible via SDIO

Still further investigations need to be held but at first sight, is such problem has been already seen in the past? What could be the issue?

Thanks !

Best regards,

Guillaume