Hello,
I'm running asset_tracker_v2 from v1.9.1 on a LTE-M network that does not give the time (UTC clock) info.
When no time information is given, the application should get from a NTP server.
The Asset_Tracker_v2 has this implemented, but is giving a hard fault when getting NTP data:
[00:00:00.501,525] <dbg> nrf_cloud_integration.cloud_wrap_init: ******************************************** [00:00:00.511,718] <dbg> nrf_cloud_integration.cloud_wrap_init: The Asset Tracker v2 has started [00:00:00.520,965] <dbg> nrf_cloud_integration.cloud_wrap_init: Version: 0.0.0-ltem_debug [00:00:00.529,937] <dbg> nrf_cloud_integration.cloud_wrap_init: Cloud: nRF Cloud [00:00:00.538,330] <dbg> nrf_cloud_integration.cloud_wrap_init: Endpoint: a2n7tk1kp18wix-ats.iot.us-east-1.amazonaws.com [00:00:00.549,896] <dbg> nrf_cloud_integration.cloud_wrap_init: ******************************************** [00:00:00.574,432] <dbg> modem_module.configure_low_power: PSM requested [00:00:00.627,899] <inf> event_manager: MODEM_EVT_LTE_CONNECTING [00:00:00.634,368] <dbg> ui_module.state_set: State transition STATE_RUNNING --> STATE_LTE_CONNECTING [00:00:00.644,989] <dbg> modem_module.state_set: State transition STATE_DISCONNECTED --> STATE_CONNECTING %CESQ: 51,2,0,0 [00:00:02.544,525] <dbg> modem_module.modem_rsrp_handler: Incoming RSRP status message, RSRP value is -89 +CEREG: 2,"C577","0AAEEB16",7 [00:00:02.557,800] <dbg> modem_module.lte_evt_handler: LTE cell changed: Cell ID: 179235606, Tracking area: 50551 [00:00:02.568,511] <inf> event_manager: MODEM_EVT_LTE_DISCONNECTED [00:00:02.575,622] <inf> event_manager: MODEM_EVT_LTE_CELL_UPDATE %CESQ: 55,2,6,0 [00:00:02.604,858] <dbg> modem_module.modem_rsrp_handler: Incoming RSRP status message, RSRP value is -85 +CSCON: 1 [00:00:02.615,814] <dbg> modem_module.lte_evt_handler: RRC mode: Connected %CESQ: 54,2,1,0 [00:00:04.409,729] <dbg> modem_module.modem_rsrp_handler: Incoming RSRP status message, RSRP value is -86 %CESQ: 54,2,6,0 [00:00:05.211,700] <dbg> modem_module.modem_rsrp_handler: Incoming RSRP status message, RSRP value is -86 +CEREG: 1,"C577","0AAEEB16",7,,,"11100000","11100000" [00:00:07.914,672] <dbg> modem_module.lte_evt_handler: Network registration status: Connected - home network [00:00:07.925,537] <dbg> modem_module.lte_evt_handler: PSM parameter update: TAU: 3240, Active time: -1 [00:00:07.935,394] <inf> event_manager: MODEM_EVT_LTE_CONNECTED [00:00:07.941,772] <dbg> ui_module.state_set: State transition STATE_LTE_CONNECTING --> STATE_RUNNING [00:00:07.951,782] <inf> event_manager: MODEM_EVT_LTE_PSM_UPDATE [00:00:07.959,320] <dbg> modem_module.state_set: State transition STATE_CONNECTING --> STATE_CONNECTED [00:00:07.969,085] <dbg> cloud_module.state_set: State transition STATE_LTE_DISCONNECTED --> STATE_LTE_CONNECTED [00:00:07.979,583] <dbg> cloud_module.connect_cloud: Connecting to cloud [00:00:07.986,663] <wrn> cloud_module: Cloud connection establishment in progress [00:00:07.994,781] <wrn> cloud_module: New connection attempt in 32 seconds if not successful [00:00:08.003,997] <dbg> nrf_cloud_integration.nrf_cloud_event_handler: NRF_CLOUD_EVT_TRANSPORT_CONNECTING [00:00:08.014,007] <dbg> cloud_module.cloud_wrap_event_handler: CLOUD_WRAP_EVT_CONNECTING [00:00:08.022,613] <inf> event_manager: CLOUD_EVT_CONNECTING [00:00:08.028,747] <dbg> ui_module.state_set: State transition STATE_RUNNING --> STATE_CLOUD_CONNECTING [00:00:08.914,794] <dbg> date_time.date_time_update_thread: Updating date time UTC... [00:00:08.922,912] <dbg> date_time.date_time_core_current_check: Date time never set [00:00:08.931,030] <dbg> date_time.date_time_update_thread: Getting time from cellular network [00:00:08.940,032] <dbg> date_time.date_time_modem_get: Modem has not got time from LTE network, so not using it [00:00:08.950,561] <dbg> date_time.date_time_update_thread: Getting time from NTP server [00:00:08.959,503] <err> os: ***** USAGE FAULT ***** [00:00:08.965,026] <err> os: Stack overflow (context area not valid) [00:00:08.972,198] <err> os: r0/a1: 0x0004cd4c r1/a2: 0x21000000 r2/a3: 0x20703aa4 [00:00:08.980,804] <err> os: r3/a4: 0x0004bfa1 r12/ip: 0x08c42205 r14/lr: 0x000591a1 [00:00:08.989,410] <err> os: xpsr: 0x00059000 [00:00:08.994,567] <err> os: s[ 0]: 0xffffffff s[ 1]: 0x00000000 s[ 2]: 0x00000000 s[ 3]: 0x00000000 [00:00:09.004,913] <err> os: s[ 4]: 0x00000000 s[ 5]: 0x00000000 s[ 6]: 0x00000000 s[ 7]: 0x00000000 [00:00:09.015,228] <err> os: s[ 8]: 0x00000000 s[ 9]: 0x00000000 s[10]: 0x00000000 s[11]: 0x00000000 [00:00:09.025,573] <err> os: s[12]: 0xffffffff s[13]: 0x00000000 s[14]: 0x00000000 s[15]: 0x00000000 [00:00:09.035,888] <err> os: fpscr: 0x6923ea82 [00:00:09.041,076] <err> os: Faulting instruction address (r15/pc): 0x000572fb [00:00:09.048,889] <err> os: >>> ZEPHYR FATAL ERROR 2: Stack overflow on CPU 0 [00:00:09.056,732] <err> os: Current thread: 0x2000ec20 (unknown) [00:00:09.063,507] <dbg> util_module.state_set: State transition STATE_INIT --> STATE_REBOOT_PENDING [00:00:09.072,967] <inf> event_manager: UTIL_EVT_SHUTDOWN_REQUEST [00:00:09.079,559] <dbg> ui_module.state_set: State transition STATE_CLOUD_CONNECTING --> STATE_SHUTDOWN [00:00:09.089,477] <dbg> gnss_module.state_set: State transition STATE_RUNNING --> STATE_SHUTDOWN [00:00:09.098,937] <inf> event_manager: UI_EVT_SHUTDOWN_READY [00:00:09.105,133] <wrn> modules_common: Module "ui" shutdown registered [00:00:09.112,518] <inf> event_manager: GNSS_EVT_SHUTDOWN_READY [00:00:09.118,927] <wrn> modules_common: Module "gnss" shutdown registered [00:00:09.126,953] <inf> event_manager: APP_EVT_SHUTDOWN_READY [00:00:09.133,209] <wrn> modules_common: Module "app" shutdown registered [00:00:09.141,021] <dbg> main.state_set: State transition STATE_RUNNING --> STATE_SHUTDOWN [00:00:09.149,719] <inf> event_manager: CLOUD_EVT_SHUTDOWN_READY [00:00:09.156,250] <wrn> modules_common: Module "cloud" shutdown registered [00:00:09.164,123] <inf> event_manager: SENSOR_EVT_SHUTDOWN_READY [00:00:09.170,623] <wrn> modules_common: Module "sensor" shutdown registered [00:00:09.178,527] <inf> event_manager: DATA_EVT_SHUTDOWN_READY [00:00:09.184,814] <wrn> modules_common: Module "data" shutdown registered
