Mesh Provisioner stuck at configuring node

[xianii]

Env:
nRF52832
Mesh SDK 3.2.0

When I reset a node after it's provisioned but not configured, the provisioner would keep trying to configure it, and would not be able to provision any other nodes.

Log:
<t:          0>, main.c,  830, ----- BLE Mesh Light Switch Provisioner Demo -----
<t:        543>, main.c,  576, Initializing and adding models
<t:        578>, main.c,  435, Restored: App data
<t:        580>, main.c,  632, Restored: Handles 
<t:        582>, provisioner_helper.c,  322, m_netkey_handle:0 m_appkey_handle:0 m_self_devkey_handle:1
<t:        587>, main.c,  866, <start> 
<t:        672>, main.c,  849, Starting application ...
<t:        675>, main.c,  851, Provisoned Nodes: 2, Configured Nodes: 1 Next Address: 0x0102
<t:        679>, main.c,  852, Dev key : 60BB50E165ACF79181EE9473CFB8D0E9
<t:        681>, main.c,  853, Net key : 873F6D8051A34438CE9AAC880BFB87E8
<t:        685>, main.c,  854, App key : 1B1F8AE1AAD2DA0A5050D797B8EF6A5F
<t:        687>, main.c,  855, Press Button 1 to start provisioning and configuration process. 
<t:      49746>, user_api.c,   67, Waiting for provisioned node to be configured ...
<t:      49749>, node_setup.c,  676, Configuring Node: 0x0101
<t:      49753>, node_setup.c,  566, Config client setup: devkey_handle:3 addr_handle:2
<t:      49756>, node_setup.c,  381, Getting composition data
<t:    2015846>, main.c,  366, Config client event
<t:    2015848>, node_setup.c,  614, Acknowledged message status not received 
<t:    2015851>, node_setup.c,  618, Retry ...
<t:    2015853>, node_setup.c,  381, Getting composition data
<t:    3981943>, main.c,  366, Config client event
<t:    3981945>, node_setup.c,  614, Acknowledged message status not received 
<t:    3981948>, node_setup.c,  618, Retry ...
<t:    3981950>, node_setup.c,  381, Getting composition data
<t:    5948040>, main.c,  366, Config client event
<t:    5948042>, node_setup.c,  614, Acknowledged message status not received 
<t:    5948045>, main.c,  298, Configuration of device 1 failed.
<t:    5948049>, user_api.c,   67, Waiting for provisioned node to be configured ...
<t:    5948052>, node_setup.c,  676, Configuring Node: 0x0101
<t:    5948055>, node_setup.c,  566, Config client setup: devkey_handle:3 addr_handle:2
<t:    5948058>, node_setup.c,  381, Getting composition data
<t:    7914148>, main.c,  366, Config client event
<t:    7914150>, node_setup.c,  614, Acknowledged message status not received 
<t:    7914153>, node_setup.c,  618, Retry ...
<t:    7914155>, node_setup.c,  381, Getting composition data
<t:    9880245>, main.c,  366, Config client event
<t:    9880247>, node_setup.c,  614, Acknowledged message status not received 
<t:    9880250>, node_setup.c,  618, Retry ...
<t:    9880252>, node_setup.c,  381, Getting composition data
<t:   11846342>, main.c,  366, Config client event
<t:   11846344>, node_setup.c,  614, Acknowledged message status not received 
<t:   11846347>, main.c,  298, Configuration of device 1 failed.
<t:   11846351>, user_api.c,   67, Waiting for provisioned node to be configured ...

And I want to know how to delete the invalid provision information, so I can make it back to the normal state in which could provision and configure new nodes.

[Mttrinh]

Hi,

Are you using the static provisioner from our SDK or the nRF Mesh app to provision the nodes?

[xianii]

I'm using a modified provisioner project from SDK

[Mttrinh]

Could you also try with an unmodified version?

[xianii]

Tested on original light_switch\provisioner project in Mesh SDK v320.

I uses 1 provisioner and 2 client in the test.

Test process:

1. Power on provisioner then start provision
2. Power on client A
3. Power off client A right after provisioned but before configured
4. The provisioner will retry 3 times
5. Power on client B
6. Reset the provisioner
7. Mesh error occur on the provisioner

Log is here.

<t:          0>, main.c,  579, ----- BLE Mesh Light Switch Provisioner Demo -----
<t:        552>, main.c,  516, Initializing and adding models
<t:        563>, main.c,  163, Unable to add flash manager for app data
<t:        566>, main.c,  560, Setup defaults: Adding keys, addresses, and bindings 
<t:        718>, provisioner_helper.c,  354, netkey_handle: 0
<t:        728>, main.c,  608, <start> 
<t:       1099>, main.c,  109, Flash write complete
<t:       1165>, main.c,  596, Starting application ...
<t:       1168>, main.c,  598, Provisoned Nodes: 0, Configured Nodes: 0 Next Address: 0x0100
<t:       1171>, main.c,  599, Dev key : B741F1C2D482B36EC52E484D296EF35F
<t:       1174>, main.c,  600, Net key : D4EE131605230021F572BC3B37CA52E5
<t:       1177>, main.c,  601, App key : 7CEB994F805F94BDC2F60F0DB5864E9C
<t:       1180>, main.c,  602, Press Button 1 to start provisioning and configuration process. 
0<t:     269359>, main.c,  476, Button 1 pressed
<t:     269361>, main.c,  378, Waiting for Client node to be provisioned ...
<t:     269364>, provisioner_helper.c,  303, Scanning For Unprovisioned Devices
<t:     271194>, provisioner_helper.c,  138, UUID : 16F073B02CAB4C4C8DCF0947C3A919A9
<t:     271197>, provisioner_helper.c,  142, ^RSSI: -50
<t:     271199>, provisioner_helper.c,  147, ^URI Hash: BE915706
<t:     271204>, provisioner_helper.c,  153, URI hash matched. Provisioning ...
<t:     276354>, provisioner_helper.c,  274, Provisioning link established
<t:     289166>, provisioner_helper.c,  269, Static authentication data provided
<t:     300888>, provisioner_helper.c,  207, Provisioning completed received
<t:     300891>, provisioner_helper.c,  212, Adding device address, and device keys
<t:     300897>, provisioner_helper.c,  229, Addr: 0x0100 addr_handle: 0 netkey_handle: 0 devkey_handle: 2
<t:     304579>, provisioner_helper.c,  166, Local provisioning link closed: prov_state: 2  remaining retries: 2
<t:     304583>, main.c,  298, Provisioning successful
<t:     304586>, provisioner_helper.c,  196, Provisioning complete. Node addr: 0x0100 elements: 3
<t:     304590>, node_setup.c,  689, Configuring Node: 0x0100
<t:     304593>, node_setup.c,  582, Config client setup: devkey_handle:2 addr_handle:0
<t:     304597>, node_setup.c,  352, Getting composition data
<t:     304664>, main.c,  109, Flash write complete
<t:     304723>, main.c,  109, Flash write complete
<t:    2270687>, main.c,  350, Config client event
<t:    2270689>, node_setup.c,  630, Acknowledged message status not received 
<t:    2270692>, node_setup.c,  634, Retry ...
<t:    2270694>, node_setup.c,  352, Getting composition data
<t:    4236784>, main.c,  350, Config client event
<t:    4236786>, node_setup.c,  630, Acknowledged message status not received 
<t:    4236789>, node_setup.c,  634, Retry ...
<t:    4236791>, node_setup.c,  352, Getting composition data
<t:    6202881>, main.c,  350, Config client event
<t:    6202883>, node_setup.c,  630, Acknowledged message status not received 
<t:    6202887>, main.c,  291, Configuration of device 0 failed. Press Button 1 to retry.
3<t:    7964683>, main.c,  476, Button 4 pressed
<t:    7964685>, main.c,  490, ----- Node reset -----
<t:    7964691>, main.c,  496, ----- Press reset button or power cycle the device  -----
<t:    7964765>, main.c,  137, Flash remove complete
0<t:    8184175>, main.c,  476, Button 1 pressed
<t:    8184177>, main.c,  378, Waiting for Client node to be provisioned ...
<t:    8184180>, provisioner_helper.c,  303, Scanning For Unprovisioned Devices
<t:    8224643>, provisioner_helper.c,  138, UUID : 3364D96B0848C44AAE7A480A52070680
<t:    8224646>, provisioner_helper.c,  142, ^RSSI: -53
<t:    8224648>, provisioner_helper.c,  147, ^URI Hash: BE915706
<t:    8224653>, provisioner_helper.c,  153, URI hash matched. Provisioning ...
<t:    8229347>, app_error_weak.c,  119, Mesh error 11 at 0x00027379 (D:\_nrf5_SDK_Meshv320\examples\light_switch\provisioner\src\provisioner_helper.c:111)

[Mttrinh]

Hi,

I talked to the Mesh team and it seems the static provisioner as supplied in the SDK example has a state machine that does not support user action of the manual "Node reset" on the nodes, after provisioning but before the configuration is finished. The state machine of static provisioner expects that provisioning and configuration process will happen one after the other for the unprovisioned devices.

What you want can be doable by making changes to the example in the main.c file. For example, one way to do inform static provisioner that the recently provisioned node was reset manually by the user is through a Button3 press. When button 3 is pressed, the example can remove the information added to the DSM about the recently provisioned node and step back the next unprovisioned device address.