NRF Debug View in VS Code not showing Thread Viewer Reliably

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

Susheel Nuguru — Thu, 09 Apr 2026 09:00:54 GMT

The nrf connect VS code extension team thinks that this is a race condition in the extension and seems already fixed internally and will be come out in the next release. thanks for bringing this to our attention.

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

hotlanta — Tue, 31 Mar 2026 15:40:06 GMT

Can confirm what Dave012 is seeing and that his work around works. Only happens on some projects (even with the same toolchain) but once it happens, the only way to restore the thread view is his work around.

I am using:

nrf extension pack: 2025.4.4
SDK and tool chain on 3.2.4
Using latest version of MacOS

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

Susheel Nuguru — Mon, 30 Mar 2026 06:54:21 GMT

Thanks for lettings us know about that David, it shows that there is most likely a bug in our nrf connect extension in VSC. I will let the team know.

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

Dave012 — Fri, 27 Mar 2026 13:57:45 GMT

I believe there is a bug present, but I found a workaround:

In VS Code, Go to File->Preferences->Settings

Search for "Debugging:Flash"

Uncheck the box

When I unset this option, the Thread Viewer appears to always show up when I either start debugging or while debugging if I hit the restart button.

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

Dave012 — Tue, 24 Mar 2026 19:40:00 GMT

Yes, I have tried enabling these configs in my prj.conf.

Note that the Thread Viewer will start and show me information if I follow these steps:
1. Build the image
2. Flash the image
3. Hit the debug button

If I then hit 'stop' and then hit 'debug' again, the Thread Viewer will not be visible. If it is visible and I hit the 'restart' button, after the debugger restarts the processor, the Thread Viewer will not be visible.

Thanks,

Dave

RE: NRF Debug View in VS Code not showing Thread Viewer Reliably

Susheel Nuguru — Tue, 24 Mar 2026 19:06:02 GMT

Have you tried enabling these configs in your prj.conf?

CONFIG_MULTITHREADING
CONFIG_DEBUG_THREAD_INFO
CONFIG_THREAD_MONITOR
CONFIG_THREAD_NAME