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nRF5340: flash error for sample peripheral_lbs

I have an nRF5340 development kit.  I can flash a custom application into the app processor.  However, when I try to flash the peripheral_lbs sample, I'm getting the error shown below.  Any ideas why it is failing in this case?

$ pwd

/Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs

$ west flash

-- west flash: rebuilding

[0/5] Performing build step for 'hci_rpmsg_subimage'

ninja: no work to do.

[1/3] cd /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/modules/nrf/samples &&...-build /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg --target flas

[0/1] Flashing nrf5340dk_nrf5340_cpunetb

-- west flash: using runner nrfjprog

Using board 960111752

-- runners.nrfjprog: Flashing file: /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg/zephyr/merged_CPUNET.hex

Parsing hex file.

ERROR: The operation attempted is unavailable due to readback protection in

ERROR: your device. Please use --recover to unlock the device.

FATAL ERROR: command exited with status 16: nrfjprog --program /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg/zephyr/merged_CPUNET.hex -f NRF53 --snr 960111752 --coprocessor CP_NETWORK --sectorerase

FAILED: zephyr/cmake/flash/CMakeFiles/flash 

cd /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg && /usr/local/Cellar/cmake/3.19.1/bin/cmake -E env /usr/local/opt/[email protected]/bin/python3.8 -m west flash --skip-rebuild

ninja: build stopped: subcommand failed.

FAILED: modules/nrf/samples/CMakeFiles/hci_rpmsg_flash 

cd /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/modules/nrf/samples && /usr/local/Cellar/cmake/3.19.1/bin/cmake --build /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg --target flash

ninja: build stopped: subcommand failed.

FATAL ERROR: re-build in /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build failed (no --build-dir given)

$ cat log.log 

2021-Feb-15 13:23:45  --------------------------------------------------------------------------------

2021-Feb-15 13:23:45  nrfjprog --log --program /Users/denis/sandbox/ncs/nrf/samples/bluetooth/peripheral_lbs/build/hci_rpmsg/zephyr/merged_CPUNET.hex -f NRF53 --snr 960111752 --coprocessor CP_NETWORK --sectorerase 

2021-Feb-15 13:23:45  nrfjprog version 10.8.0 

2021-Feb-15 13:23:45  --------------------------------------------------------------------------------

2021-Feb-15 13:23:45  nRF_logger_open

2021-Feb-15 13:23:45  nRF_logger_open: nRFJProg logger opened to callback at address 0X10C3109B0

2021-Feb-15 13:23:45  nRF_open_dll

2021-Feb-15 13:23:45  nRF_open_dll: Load library at "/Applications/Nordic Semiconductor/nrfjprog/libjlinkarm_nrf53_nrfjprogdll.dylib".

2021-Feb-15 13:23:45  . nRF53_logger_open

2021-Feb-15 13:23:45  . nRF53_logger_open: nRFJProg logger opened to callback at address 0X10C38B0E0

2021-Feb-15 13:23:45  . nRF53_open

2021-Feb-15 13:23:45  . . Segger_logger_open

2021-Feb-15 13:23:45  . . Segger_logger_open: nRFJProg logger opened to callback at address 0X10C3B3B50

2021-Feb-15 13:23:45  . . Segger_open_dll

2021-Feb-15 13:23:45  . . Segger_open_dll: Load library at "/Applications/SEGGER/JLink/libjlinkarm.6.72.5.dylib".

2021-Feb-15 13:23:45  . . . Segger_dll_version

2021-Feb-15 13:23:45  nRF_enum_emu_snr

2021-Feb-15 13:23:45  . nRF53_enum_emu_snr

2021-Feb-15 13:23:45  . . Segger_enum_emu_snr

2021-Feb-15 13:23:45  . . . Segger_enum_emu_snr

2021-Feb-15 13:23:45  . . . . Segger_get_num_emus

2021-Feb-15 13:23:45  nRF_connect_to_emu_with_snr

2021-Feb-15 13:23:45  . nRF53_connect_to_emu_with_snr

2021-Feb-15 13:23:45  . . Segger_connect_to_emu_with_snr

2021-Feb-15 13:23:45  . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:45  . . . Segger_enum_emu_snr

2021-Feb-15 13:23:45  . . . . Segger_get_num_emus

2021-Feb-15 13:23:45  . . . Segger_connect_to_emu_with_snr

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr: Segger logging enabled with callback at 0x4500247696.

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:017.070   

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr: JLink INFO Firmware: J-Link OB-K22-NordicSemi compiled Jan 21 2020 17:33:01

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:017.629   

2021-Feb-15 13:23:45  . . . . Segger_connect_to_emu_without_snr: JLink INFO Decompressing FW timestamp took 198 us

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:034.004   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO Hardware: V1.00

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:034.298   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO S/N: 960111752

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:034.441   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO OEM: SEGGER

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:034.622   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO Feature(s): RDI, FlashBP, FlashDL, JFlash, GDB

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:036.689   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO TELNET listener socket opened on port 19021

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:037.022   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO WEBSRV Starting webserver

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:037.282   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO WEBSRV Webserver running on local port 19080

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:037.492 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 32.916ms returns O.K.  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:037.697 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_GetHWStatus(...)  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:037.996 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.384ms returns 0x00  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.264 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_ExecCommand("SetRestartOnClose = 0", ...).   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.419 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.084ms returns 0x01  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.619 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_ExecCommand("DisableFlashDL", ...).   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.743 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.066ms returns 0x00  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.857 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_ExecCommand("ExcludeFlashCacheRange 0x0-0xFFFFFFFF", ...).   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:038.977 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.064ms returns 0x00  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:039.092   

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_SetHookUnsecureDialog(...)

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:039.205 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.218ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:039.456 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_TIF_Select(JLINKARM_TIF_SWD)  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:040.260 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.893ms returns 0x00  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:040.492 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO JLINK_SetSpeed(2000)  

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO T1BD7BE00 000:040.682 

2021-Feb-15 13:23:46  . . . . Segger_connect_to_emu_without_snr: JLink INFO - 0.258ms  

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:040.959 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO JLINK_ExecCommand("CORESIGHT_SetIndexAHBAPToUse = 0", ...).   

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:041.077 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO - 0.061ms returns 0x00  

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:041.192 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO JLINK_ExecCommand("device = Cortex-M33", ...).   

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:045.934   

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO XML file found at: /Applications/SEGGER/JLink_V672e/JLinkDevices.xml 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:046.954   

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO /Applications/SEGGER/JLink_V672e/JLinkDevices.xml evaluated successfully. 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:066.530   

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO Device "CORTEX-M33" selected.

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO T1BD7BE00 000:067.041 

2021-Feb-15 13:23:46  . . . . . Segger_load_core_data: JLink INFO - 25.801ms returns 0x00  

2021-Feb-15 13:23:46  . . Segger_read_debug_port_idr

2021-Feb-15 13:23:46  . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:067.929 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:068.270 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO - 0.415ms returns 0x01  

2021-Feb-15 13:23:46  . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:068.418 

2021-Feb-15 13:23:46  . . . Segger_read_debug_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_coresight_configure

2021-Feb-15 13:23:46  . . . . . Segger_coresight_configure: JLink INFO T1BD7BE00 000:068.688   

2021-Feb-15 13:23:46  . . . . . Segger_coresight_configure: JLink INFO JLINK_CORESIGHT_Configure()  

2021-Feb-15 13:23:46  . . . . . Segger_coresight_configure: JLink INFO T1BD7BE00 000:069.407   

2021-Feb-15 13:23:46  . . . . . Segger_coresight_configure: JLink INFO - 0.781ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:069.645   

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x00)  

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:070.105     

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO Value=0x6BA02477

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:070.329   

2021-Feb-15 13:23:46  . . . . Segger_read_debug_port_register: JLink INFO - 0.742ms returns 0  

2021-Feb-15 13:23:46  . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:070.450 

2021-Feb-15 13:23:46  . . . Segger_read_debug_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . nRF53_enable_coprocessor

2021-Feb-15 13:23:46  . . nRF53_readback_status

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:070.750 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:070.921 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO - 0.302ms returns 0x01  

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:071.146 

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_is_debug_region_powered

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:071.674   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:072.068   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.452ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:072.265   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:072.578     

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO Value=0xF0000040

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:072.792   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO - 0.575ms returns 0  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:072.933   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x02000000)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:073.231   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.353ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:073.421   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x03)  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:073.774     

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO Value=0x00000003

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:074.069   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO - 0.698ms returns 0  

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:074.166 

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:074.370 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:074.488 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO - 0.167ms returns 0x01  

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:074.593 

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_is_debug_region_powered

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:074.880   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:075.189   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.367ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:075.383   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:075.687     

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO Value=0xF0000040

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:075.888   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO - 0.556ms returns 0  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:076.032   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x02000010)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:076.334   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.399ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:076.539   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x02)  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:076.951     

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO Value=0x00000001

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:077.196   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO - 0.710ms returns 0  

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:077.299 

2021-Feb-15 13:23:46  . . . Segger_read_access_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . . nRF53_readback_status: Protection status read as NONE

2021-Feb-15 13:23:46  . . nRF53_enable_coprocessor

2021-Feb-15 13:23:46  . . . nRF53_is_secure_debug_available

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:077.628 

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:077.721 

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_emu: JLink INFO - 0.140ms returns 0x01  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:077.816 

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . . Segger_is_debug_region_powered

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:078.087   

2021-Feb-15 13:23:46  . . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:078.400   

2021-Feb-15 13:23:46  . . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.374ms returns 0  

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:078.598   

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)  

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:078.926     

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO Value=0xF0000040

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:079.119   

2021-Feb-15 13:23:46  . . . . . . . Segger_read_debug_port_register: JLink INFO - 0.570ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:079.265   

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:079.563   

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO - 0.372ms returns 0  

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:079.780   

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x00)  

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:080.133     

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO Value=0x43000002

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:080.364   

2021-Feb-15 13:23:46  . . . . . Segger_read_access_port_register: JLink INFO - 0.695ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:080.532 

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . . . nRF53_get_secure_nonsecure_address

2021-Feb-15 13:23:46  . . . nRF53_get_secure_nonsecure_address

2021-Feb-15 13:23:46  . . . Segger_ahb_write_u32

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:080.887 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:080.991 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO - 0.154ms returns 0x01  

2021-Feb-15 13:23:46  . . . Segger_ahb_write_u32: JLink INFO T1BD7BE00 000:081.096 

2021-Feb-15 13:23:46  . . . Segger_ahb_write_u32: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_is_debug_region_powered

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:081.394   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:081.715   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.384ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:081.935   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:082.279     

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO Value=0xF0000040

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:082.478   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO - 0.594ms returns 0  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:082.628   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:082.950   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.381ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:083.146   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(AP reg 0x00)  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:083.489     

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO Value=0x43000002

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO T1BD7BE00 000:083.700   

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register: JLink INFO - 0.610ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:083.923   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:084.232   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.368ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:084.471   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(AP reg 0x00, 0x43000002)  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:084.780   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO - 0.368ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:085.072   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:085.380   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.365ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:085.575   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(AP reg 0x01, 0x40005614)  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:085.963   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO - 0.510ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:086.373   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:086.720   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.419ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:086.932   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(AP reg 0x03, 0x00000000)  

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO T1BD7BE00 000:087.273   

2021-Feb-15 13:23:46  . . . . Segger_write_access_port_register: JLink INFO - 0.407ms returns 0  

2021-Feb-15 13:23:46  . . . . Segger_read_access_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:087.612   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x000000F0)  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:087.941   

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLink INFO - 0.388ms returns -1  

2021-Feb-15 13:23:46  . . . . . Segger_write_debug_port_register: JLinkARM.dll reported "-1", an unknown error.

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action: Attempting to clear any configuration errors in debug port before closing connection. 

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action: JLink INFO T1BD7BE00 000:088.429   

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action: JLink INFO T1BD7BE00 000:088.736   

2021-Feb-15 13:23:46  . . . . . . Segger_abort_debug_action: JLink INFO - 0.371ms returns 0  

2021-Feb-15 13:23:46  . . . Segger_ahb_write_u32: JLink INFO T1BD7BE00 000:088.940 

2021-Feb-15 13:23:46  . . . Segger_ahb_write_u32: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . nRF53_enable_coprocessor: Failed to enable coprocessor.

2021-Feb-15 13:23:46  nRF_close_dll

2021-Feb-15 13:23:46  . nRF53_close

2021-Feb-15 13:23:46  . . Segger_close

2021-Feb-15 13:23:46  . . . Segger_disconnect_from_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:089.395 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:089.494 

2021-Feb-15 13:23:46  . . . . Segger_is_connected_to_emu: JLink INFO - 0.148ms returns 0x01  

2021-Feb-15 13:23:46  . . . . Segger_disconnect_from_emu

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_device

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_device: JLink INFO T1BD7BE00 000:089.695 

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_device: JLink INFO JLINK_IsConnected()  

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_device: JLink INFO T1BD7BE00 000:089.792 

2021-Feb-15 13:23:46  . . . . . Segger_is_connected_to_device: JLink INFO - 0.146ms returns FALSE  

2021-Feb-15 13:23:46  . . . . . Segger_is_debug_region_powered

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:090.035 

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:090.135 

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO - 0.149ms returns 0x01  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:090.235 

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:090.380   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:090.688   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.375ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:090.897   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_CORESIGHT_ReadAPDPReg(DP reg 0x01)  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:091.211     

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO Value=0xF0000040

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:091.414   

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO - 0.568ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO T1BD7BE00 000:091.514 

2021-Feb-15 13:23:46  . . . . . . Segger_read_debug_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . . . . . Segger_unpower_debug_and_system_regions

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:091.755 

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO JLINK_IsOpen()  

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO T1BD7BE00 000:091.852 

2021-Feb-15 13:23:46  . . . . . . . Segger_is_connected_to_emu: JLink INFO - 0.146ms returns 0x01  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:091.951 

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_Lock()  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:092.096   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:092.442   

2021-Feb-15 13:23:46  . . . . . . . Segger_write_debug_port_register: JLink INFO - 0.415ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:092.653   

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x01, 0x00000000)  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:093.070   

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO - 0.475ms returns 0  

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO T1BD7BE00 000:093.264 

2021-Feb-15 13:23:46  . . . . . . Segger_write_debug_port_register: JLink INFO JLINK_Unlock()  

2021-Feb-15 13:23:46  . . . . Segger_disconnect_from_emu: JLink INFO T1BD7BE00 000:102.521 

2021-Feb-15 13:23:46  . . . . Segger_disconnect_from_emu: JLink INFO JLINK_Close()  

2021-Feb-15 13:23:46  . . Segger_close: Freeing Library.

2021-Feb-15 13:23:46  nRF_close_dll: Freeing Library.

  • Hi

    ERROR: The operation attempted is unavailable due to readback protection in

    ERROR: your device. Please use --recover to unlock the device.

     The log is saying that the readback protection has been enabled on your device. You would have to disable it by using a recover command:

    nrfjprog.exe --coprocessor CP_NETWORK --recover
    nrfjprog.exe --coprocessor CP_APPLICATION --recover

    You might need to update nrfjprog as in this case first.

    regards

    Jared 

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