Thread viewer empty during debug

[Fefu]

I have two computers where nRF Connect for VSCode behaves differently in the sense that in one computer when I start debug it stops at the first line of the main and I see thread viewer correctly showing the threads and the other computer stops first in the debug at some setup or init script and not in the main. In addition the Thread Viewer is empty.

I use nRF Connect SDK 2.6.1 from c:\ncs\v2.6.1\nrf\west.yml

I did some cleanup by removing VSCode, Segger probe softwares, nRF Connect for Desktop and tools. Then I searched in Windows in %USERPROFILE% and %APPDATA% Local and Roaming anything I could find related to nRF, VSCode, Segger tools. Then I reinstalled and I use a shared profile and the same nRF52840DK board. In the profile is installed nRF Connect for VSCode Extension Pack, which in turn install what is needed.

Despite repeating the same cleanup  and setup, in the home computer it works, and in the workplace doesn't.

I have a feeling that there are some hidden configs which I don't know, therefore is not enough to uninstall and cleanup in  %USERPROFILE% and %APPDATA% .

I really wished to have reliable and repeatable setup. Does anybody where it is saved the configuration regarding where it stops first at the staring point of Debug session?

Where exactly have to be made manual cleanup, to completely reset the developer environment?

[Fefu]

I repeated one more time the entire cleanup. At this time I removed all the python installs. The results are the same. Thread Viewer is always empty.

The first line of code when the debugger starts is here.

In my other machine it stops at main().

I can still add breakpoints and stops correctly, but the Thread Viewer is empty

As you see, in the C:\ncs\v2.6.1\nrf\west.yml I added "devacademy-ncsinter" external repo and than created a new project by copying Lesson 1 with solution (inter_less1_exer1_solution_1)

prj.conf has these lines

CONFIG_GPIO=y

CONFIG_LOG=y

# STEP 1 - Enable debugging

CONFIG_DEBUG_THREAD_INFO=y

CONFIG_DEBUG_OPTIMIZATIONS=y

.vscode\settings.json has only these

{

    "nrf-connect.applications": [

        "${workspaceFolder}\\inter_less1_exer1_solution_1"

    ]

}

[Amanda Hsieh]

Hi,

Could you test with inter_less2_exer1_solution? If it still has the issue, please provide the support information. 

Regards,
Amanda H.

[Fefu]

I tried inter_less2_exer1_solution, the result is the same.
Here is the support information

{
  "platform": {
    "os": "win32",
    "osVersion": "Windows 11 Pro",
    "osKernel": "10.0.22631",
    "vscode": "1.94.0",
    "electron": "30.5.1",
    "node": "v20.16.0"
  },
  "system": {
    "date": "2024-10-08T13:16:18.295Z",
    "vscodeRoot": "c:\\Users\\My Username\\AppData\\Local\\Programs\\Microsoft VS Code\\resources\\app",
    "nrfConnectForDesktopInstalled": true,
    "vscodeUptime": "00:13:23",
    "osUptime": "07:23:14",
    "cpu": "AMD Ryzen 9 3950X 16-Core Processor"
  },
  "workspace": {
    "name": "devademy",
    "workspaceFile": null,
    "folders": [
      "e:\\w\\EASY6-ws\\devademy"
    ]
  },
  "sdks": [
    {
      "version": "v2.6.1",
      "path": "c:\\ncs\\v2.6.1"
    },
    {
      "version": "v3.6.0",
      "path": "e:\\w\\EASY6-ws\\zephide"
    },
    {
      "version": "v3.5.99",
      "path": "e:\\w\\sandbox-zephyr\\zephyrproject"
    },
    {
      "version": "v3.5.99",
      "path": "e:\\w\\zephyr-ws\\zephyrproject"
    }
  ],
  "activeBuild": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer1_solution\\build",
  "apps": [
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\hello_world",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\hello_world\\build",
          "name": "build",
          "boardId": "devacademy_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\inter_less1_exer1_solution_1",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\inter_less1_exer1_solution_1\\build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer1",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer1\\build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer1_solution",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer1_solution\\build",
          "name": "build",
          "boardId": "nrf21540dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer2",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer2\\build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "e:\\w\\EASY6-ws\\devademy",
      "uri": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer3",
      "buildConfigurations": [
        {
          "id": "e:\\w\\EASY6-ws\\devademy\\inter_less2_exer3\\build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    }
  ],
  "topdir": "c:\\ncs\\v2.6.1",
  "workspaceState": "freestanding-ready",
  "toolchains": [
    {
      "version": "2.6.1",
      "path": "c:\\ncs\\toolchains\\cf2149caf2"
    }
  ],
  "activeToolchain": {
    "type": "installation",
    "path": "c:\\ncs\\toolchains\\cf2149caf2",
    "version": "2.6.1",
    "displayName": "nRF Connect SDK Toolchain v2.6.1"
  },
  "connectedDevices": [
    {
      "serialNumber": "000683118369",
      "boardVersion": "PCA10056",
      "deviceFamily": "NRF52_FAMILY",
      "deviceVersion": "NRF52840_xxAA_REV2",
      "jlinkObFirmwareVersion": "J-Link OB-SAM3U128-V2-NordicSemi compiled Apr 11 2024 17:43:52",
      "protectionStatus": "NRFDL_PROTECTION_STATUS_NONE"
    }
  ],
  "deviceProvider": "nrfutil",
  "tools": {
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin\\arm-zephyr-eabi-gcc.exe": "0.16.5",
    "C:\\Program Files\\SEGGER\\JLink_V794e\\JLink.exe": "7.94e",
    "C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\nrfjprog.exe": "10.24.2",
    "C:\\ncs\\toolchains\\cf2149caf2\\cmake": "3.21.0",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\Scripts\\west.exe": "1.2.0",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\python.exe": "3.9.13",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\ninja.exe": "1.10.2",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\gperf.exe": "3.1",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\dtc.exe": "1.4.7",
    "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\gn.exe": "2154",
    "C:\\ncs\\toolchains\\cf2149caf2\\mingw64\\bin\\git.exe": "2.37.3.windows.1",
    "arm-gdbPath": "c:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin\\arm-zephyr-eabi-gdb.exe",
    "riscv-gdbPath": "C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\riscv64-zephyr-elf\\bin\\riscv64-zephyr-elf-gdb.exe"
  },
  "nrfutil": {
    "nrfutil-device": {
      "version": "2.5.0",
      "binPath": "c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-connect-2024.9.87-win32-x64\\platform\\nrfutil\\bin\\nrfutil-device"
    },
    "nrfutil-toolchain-manager": {
      "version": "0.14.4",
      "binPath": "c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-connect-2024.9.87-win32-x64\\platform\\nrfutil\\bin\\nrfutil-toolchain-manager"
    }
  },
  "environment": {
    "westEnv": {
      "HOME": "C:\\Users\\My Username",
      "HOMEDRIVE": "C:",
      "HOMEPATH": "\\Users\\My Username",
      "PATH": "C:\\ncs\\toolchains\\cf2149caf2;C:\\ncs\\toolchains\\cf2149caf2\\mingw64\\bin;C:\\ncs\\toolchains\\cf2149caf2\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\Scripts;C:\\ncs\\toolchains\\cf2149caf2\\opt\\nanopb\\generator-bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\aarch64-zephyr-elf\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\x86_64-zephyr-elf\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk\\riscv64-zephyr-elf\\bin;c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-connect-2024.9.87-win32-x64\\platform\\nrfutil\\lib\\nrfutil-toolchain-manager;C:\\Python311\\Scripts\\;C:\\Python311\\;C:\\Program Files\\Lapce\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\WINDOWS\\System32\\OpenSSH\\;C:\\Program Files\\PuTTY\\;C:\\Program Files\\gitui\\bin\\;C:\\Program Files\\LLVM\\bin;C:\\ProgramData\\chocolatey\\bin;C:\\Program Files\\dotnet\\;C:\\Program Files\\nodejs\\;C:\\Program Files (x86)\\IVI Foundation\\VISA\\WinNT\\Bin\\;C:\\Program Files\\IVI Foundation\\VISA\\Win64\\Bin\\;C:\\Program Files (x86)\\IVI Foundation\\VISA\\WinNT\\Bin;C:\\Program Files\\usbipd-win\\;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files (x86)\\Windows Kits\\10\\Windows Performance Toolkit\\;C:\\Program Files\\CMake\\bin;C:\\Program Files\\Git\\cmd;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\;C:\\Users\\My Username\\.cargo\\bin;C:\\tools\\miniforge-;C:\\tools\\miniforge-\\Library\\mingw-w64\\bin;C:\\tools\\miniforge-\\Library\\usr\\bin;C:\\tools\\miniforge-\\Library\\bin;C:\\tools\\miniforge-\\Scripts;C:\\Microchip\\SoftConsole-v2021.1\\arm-none-eabi-gcc\\bin;C:\\Program Files\\Conan\\conan;C:\\Users\\My Username\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\My Username\\AppData\\Local\\gitkraken\\bin;C:\\Program Files\\Graphviz\\bin;C:\\tools\\jdk-21.0.1\\bin;C:\\Program Files (x86)\\GnuWin32\\bin;C:\\tools\\bin;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin;C:\\tools\\openocd\\bin;C:\\tools\\gcc-arm-none-eabi\\bin;C:\\Users\\My Username\\AppData\\Roaming\\npm;C:\\Users\\My Username\\AppData\\Local\\Programs\\Microsoft VS Code\\bin",
      "ZEPHYR_BASE": "c:\\ncs\\v2.6.1\\zephyr",
      "ZEPHYR_TOOLCHAIN_VARIANT": "zephyr",
      "ZEPHYR_SDK_INSTALL_DIR": "C:\\ncs\\toolchains\\cf2149caf2\\opt\\zephyr-sdk",
      "PYTHONPATH": "C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin;C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\Lib;C:\\ncs\\toolchains\\cf2149caf2\\opt\\bin\\Lib\\site-packages"
    },
    "inherited": {
      "HOME": "C:\\Users\\My Username",
      "HOMEDRIVE": "C:",
      "HOMEPATH": "\\Users\\My Username",
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      "PATH": "C:\\Python311\\Scripts\\;C:\\Python311\\;C:\\Program Files\\Lapce\\;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;C:\\WINDOWS\\System32\\OpenSSH\\;C:\\Program Files\\PuTTY\\;C:\\Program Files\\gitui\\bin\\;C:\\Program Files\\LLVM\\bin;C:\\ProgramData\\chocolatey\\bin;C:\\Program Files\\dotnet\\;C:\\Program Files\\nodejs\\;C:\\Program Files (x86)\\IVI Foundation\\VISA\\WinNT\\Bin\\;C:\\Program Files\\IVI Foundation\\VISA\\Win64\\Bin\\;C:\\Program Files (x86)\\IVI Foundation\\VISA\\WinNT\\Bin;C:\\Program Files\\usbipd-win\\;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files (x86)\\Windows Kits\\10\\Windows Performance Toolkit\\;C:\\Program Files\\CMake\\bin;C:\\Program Files\\Git\\cmd;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\;C:\\Users\\My Username\\.cargo\\bin;C:\\tools\\miniforge-;C:\\tools\\miniforge-\\Library\\mingw-w64\\bin;C:\\tools\\miniforge-\\Library\\usr\\bin;C:\\tools\\miniforge-\\Library\\bin;C:\\tools\\miniforge-\\Scripts;C:\\Microchip\\SoftConsole-v2021.1\\arm-none-eabi-gcc\\bin;C:\\Program Files\\Conan\\conan;C:\\Users\\My Username\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\My Username\\AppData\\Local\\gitkraken\\bin;C:\\Program Files\\Graphviz\\bin;C:\\tools\\jdk-21.0.1\\bin;C:\\Program Files (x86)\\GnuWin32\\bin;C:\\tools\\bin;C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin;C:\\tools\\openocd\\bin;C:\\tools\\gcc-arm-none-eabi\\bin;C:\\Users\\My Username\\AppData\\Roaming\\npm;C:\\Users\\My Username\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\My Username\\AppData\\Local\\Programs\\Microsoft VS Code\\bin"
    }
  },
  "terminal": {
    "defaultProfile": null
  },
  "config": {
    "nordic-semiconductor.nrf-connect": {
      "topdir": "${nrf-connect.sdk:2.6.1}",
      "toolchain": {
        "path": "${nrf-connect.toolchain:2.6.1}"
      },
      "ozonePath": "",
      "applications": [
        "${workspaceFolder}\\inter_less1_exer1_solution_1",
        "${workspaceFolder}\\inter_less2_exer1",
        "${workspaceFolder}\\inter_less2_exer2",
        "${workspaceFolder}\\inter_less2_exer3",
        "${workspaceFolder}\\hello_world",
        "${workspaceFolder}\\inter_less2_exer1_solution"
      ],
      "applicationOptions": {},
      "kconfig": {
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      "west": {
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          "$base": "terminal"
        }
      },
      "boardRoots": [
        "${workspaceFolder}\\my_boards"
      ],
      "taskBindings": {},
      "buildTerminal": {
        "condensedProgress": true
      },
      "debugging": {
        "flash": true,
        "bindings": {},
        "justMyCode": true
      },
      "activeAppFollowActiveEditor": true,
      "deviceProvider": "nrfutil",
      "flash": {
        "softreset": false,
        "erase": false,
        "recover": false
      },
      "enableTelemetry": true,
      "thirdpartyIntegration": {},
      "toolchainManager": {
        "indexURL": null,
        "installDirectory": null
      },
      "nrfutil": {
        "home": null
      },
      "defaultOpenAction": "ask"
    },
    "nordic-semiconductor.nrf-terminal": {
      "terminalMode": "character"
    }
  },
  "extensions": {
    "internal": {
      "nordic-semiconductor.nrf-connect": {
        "version": "2024.9.87",
        "path": "c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-connect-2024.9.87-win32-x64",
        "isActive": true
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        "isActive": true
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        "path": "c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-devicetree-2024.9.26",
        "isActive": true
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      "nordic-semiconductor.nrf-kconfig": {
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        "path": "c:\\Users\\My Username\\.vscode\\extensions\\nordic-semiconductor.nrf-kconfig-2024.9.20",
        "isActive": true
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      "twxs.cmake": "0.0.17"
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}

[Amanda Hsieh]

Did you create a build configuration and Select Optimize for debugging in the Optimization menu and build configuration?

[Fefu]

Of course.