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Nordic Case Info
  • Case ID: 256162
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Randomly failing to discover services and leading to "Device not supported"

Sourabh

Hi team,

Describe the bug
Running the sample app on Nordic Development Kit "nRF52840-DK" (and also on our firmware board) is randomly failing to discover services leading to connection disconnect with the error message of "Device not supported"


I am basically having two but RANDOM issues:

  1. Not able to provision as described above.
  2. If provisioning is successful, the app is stuck in "Requesting Composition Data" and getting "The bearer is closed".

To Reproduce
Just cloned IOS-nrf-Mesh-Library from the repo, made the Example compile and run on iPad. Tapping the + button to Provision Device. From the scanned list (2 boards for me), tapping one any board.

WorthNoting
After going to iPads Bluetooth Settings', turning the bluetooth Off and On makes both the above cases/issues work. But the same problem comes back after resetting / removing the node. Not sure if it anyone else have faced this problem but surely happening a lot for me.

Expected behavior
The sample app should be able to Provision and load Composition Data successfully every time for the Nordic Dev Kit board at least.

Platform details:

  • Device: iPad 3
  • OS: iOS 13.3
  • App Version: 2.2.3

Logs / Screenshots

Nordic board
2020-09-09 12:45:10.801432+0530 nRF Mesh[408:92785] [Bearer] Central Manager state changed to .poweredOn
2020-09-09 12:45:11.206446+0530 nRF Mesh[408:92785] [Bearer] Connecting to Dev Board...
2020-09-09 12:45:11.818963+0530 nRF Mesh[408:92785] [Bearer] Connected to Dev Board
2020-09-09 12:45:11.819245+0530 nRF Mesh[408:92785] [Bearer] Discovering services...
2020-09-09 12:45:11.962127+0530 nRF Mesh[408:92785] [Bearer] Device not supported
2020-09-09 12:45:11.962701+0530 nRF Mesh[408:92785] [Bearer] Cancelling connection...
2020-09-09 12:45:11.965448+0530 nRF Mesh[408:92785] [Bearer] Disconnected from Dev Board with error: Device not supported
2020-09-09 12:45:12.411416+0530 nRF Mesh[408:92946] [CoreBluetooth] XPC connection invalid

My board
2020-09-09 12:45:22.206242+0530 nRF Mesh[408:92785] [Bearer] Central Manager state changed to .poweredOn
2020-09-09 12:45:22.611192+0530 nRF Mesh[408:92785] [Bearer] Connecting to Ios dev...
2020-09-09 12:45:23.406476+0530 nRF Mesh[408:92785] [Bearer] Connected to Ios dev
2020-09-09 12:45:23.406650+0530 nRF Mesh[408:92785] [Bearer] Discovering services...
2020-09-09 12:45:23.611281+0530 nRF Mesh[408:92785] [Bearer] Device not supported
2020-09-09 12:45:23.611836+0530 nRF Mesh[408:92785] [Bearer] Cancelling connection...
2020-09-09 12:45:23.614616+0530 nRF Mesh[408:92785] [Bearer] Disconnected from Ios dev with error: Device not supported
2020-09-09 12:45:24.059975+0530 nRF Mesh[408:92946] [CoreBluetooth] XPC connection invalid

Please suggest what might be going wrong and how to fix this?
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