feat!: bump nrf sdk version from 2.6.2 to 2.9.1

[benjaminbruun]

With the release of the latest nRF Connect SDK v2.7.0, we will seek to follow integration guides and migrate to the latest release.

And since the nRF Connect SDK releases have jumped to v2.9.1, we will strive to support this directly through this PR.

[fellerts]

Hi, when do you expect v2.7.0 support to be implemented?

[benjaminbruun]

Hi, when do you expect v2.7.0 support to be implemented?

Should actually already be supported. Got indirectly validated as part of a previous issue.
We just haven't moved the default version to v2.7.0 yet.

[fellerts]

Thanks! I'm wondering because ncs v2.7.0 has moved to sysbuild and Nordic will deprecate child/parent images soon. The samples fail to build with --sysbuild:

CMake Error at /path/to/modules/lib/softsim/CMakeLists.txt:8 (add_custom_command):
  Error evaluating generator expression:

    $<TARGET_PROPERTY:partition_manager,PM_NVS_STORAGE_ADDRESS>

  Target "partition_manager" not found.

Is this expected to work? If not, I can create an issue.

[benjaminbruun]

Good observation, re-visiting the tests previously ran they had been build with system default build system, and not forced to sysbuild.

I am getting the same error as you and we will look into it. If you have any progress on the porting, feel free to push a PR or suggestion in this thread.

[fellerts]

I had a look and I got the impression that most targets in Zephyr and ncs only use partition manager generator expressions when sysbuild is not enabled. I'm not familiar enough with the Zephyr build system internals to suggest a solution unfortunately.

[benjaminbruun]

Trying to figure out why ZEPHYR_SDK_INSTALL_DIR cannot be found when building the project within zephyrproject-rtos/ci:v0.27.4 docker-image.

[MirkoCovizzi]

Trying to figure out why ZEPHYR_SDK_INSTALL_DIR cannot be found when building the project within zephyrproject-rtos/ci:v0.27.4 docker-image.

I recommend using container: ghcr.io/nrfconnect/sdk-nrf-toolchain:v2.9.0 docker image instead. The Zephyr one might miss dependencies used by NCS.

Also I suggest to move to using twister (which is included in the docker image) instead of having a custom matrix pipeline for targeting the various platforms and then manually building with west. You can see an example here https://github.com/nrfconnect/ncs-example-application/blob/main/.github/workflows/build-using-docker.yml and read more about how to use twister for this use case here https://docs.zephyrproject.org/latest/develop/test/twister.html

That would remove a lot of boilerplate from the GitHub workflow and make it much easier to maintain.

[benjaminbruun]

Trying to figure out why ZEPHYR_SDK_INSTALL_DIR cannot be found when building the project within zephyrproject-rtos/ci:v0.27.4 docker-image.

I recommend using container: ghcr.io/nrfconnect/sdk-nrf-toolchain:v2.9.0 docker image instead. The Zephyr one might miss dependencies used by NCS.

Sounds interesting and more suitable. Will give it a shot