applications/samples: Don't use minimal libc for MCUboot in CHIP #24468

nordicjm · 2025-09-10T12:49:40Z

Goes to piclibc

NCSDK-35362

NordicBuilder · 2025-09-10T12:55:13Z

CI Information

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Build number: 3

Inputs:

Sources:

sdk-nrf: PR head: 3ffe87981e873a9394d20911a556e95252141be2

more details

sdk-nrf:

PR head: 3ffe87981e873a9394d20911a556e95252141be2
merge base: ab8bfe6d03fdb11c2daae3d926aa8fd17ecc7954
target head (main): bbed9cca38a06d1161e2c37f3d164efcad2389ff
Diff

Github labels

Enabled	Name	Description
	ci-disabled	Disable the ci execution
	ci-all-test	Run all of ci, no test spec filtering will be done
	ci-force-downstream	Force execution of downstream even if twister fails
	ci-run-twister	Force run twister
	ci-run-zephyr-twister	Force run zephyr twister

List of changed files detected by CI (29)

applications
│  ├── matter_bridge
│  │  ├── sysbuild
│  │  │  ├── mcuboot
│  │  │  │  │ prj.conf
samples
│  ├── matter
│  │  ├── contact_sensor
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  ├── light_bulb
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── light_switch
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── lock
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── manufacturer_specific
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── smoke_co_alarm
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── temperature_sensor
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── template
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── thermostat
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf
│  │  ├── window_covering
│  │  │  ├── Kconfig.sysbuild
│  │  │  ├── sysbuild
│  │  │  │  ├── mcuboot
│  │  │  │  │  ├── boards
│  │  │  │  │  │  │ nrf54lm20dk_nrf54lm20a_cpuapp.conf
│  │  │  │  │  │ prj.conf

Outputs:

Toolchain

Version: 2b2cd9579a
Build docker image: docker-dtr.nordicsemi.no/sw-production/ncs-build:2b2cd9579a_bba2ea5f2e

Test Spec & Results: ✅ Success; ❌ Failure; 🟠 Queued; 🟡 Progress; ◻️ Skipped; ⚠️ Quarantine

◻️ Toolchain - Skipped: existing toolchain is used
✅ Build twister
- sdk-nrf test count: 102
✅ Integration tests
- ✅ test-fw-nrfconnect-chip

Disabled integration tests

- test-fw-nrfconnect-nrf_lrcs_mosh
- test-fw-nrfconnect-nrf_lrcs_positioning
- desktop52_verification
- doc-internal
- test_ble_nrf_config
- test-fw-nrfconnect-apps
- test-fw-nrfconnect-ble_mesh
- test-fw-nrfconnect-ble_samples
- test-fw-nrfconnect-fem
- test-fw-nrfconnect-nfc
- test-fw-nrfconnect-nrf-iot_libmodem-nrf
- test-fw-nrfconnect-nrf-iot_lwm2m
- test-fw-nrfconnect-nrf-iot_samples
- test-fw-nrfconnect-nrf-iot_serial_lte_modem
- test-fw-nrfconnect-nrf-iot_thingy91
- test-fw-nrfconnect-nrf-iot_zephyr_lwm2m
- test-fw-nrfconnect-nrf_crypto
- test-fw-nrfconnect-proprietary_esb
- test-fw-nrfconnect-ps-main
- test-fw-nrfconnect-rpc
- test-fw-nrfconnect-rs
- test-fw-nrfconnect-tfm
- test-fw-nrfconnect-thread-main
- test-low-level
- test-sdk-audio
- test-sdk-dfu
- test-sdk-find-my
- test-sdk-mcuboot
- test-sdk-pmic-samples
- test-sdk-wifi
- test-secdom-samples-public

Note: This message is automatically posted and updated by the CI

github-actions · 2025-09-10T13:16:06Z

You can find the documentation preview for this PR here.

doublemis1 · 2025-09-11T07:20:31Z

Integration is failing. The nRF54LM20 does not boot - seems it is this issue:
https://nordicsemi.atlassian.net/browse/KRKNWK-20774

doublemis1 · 2025-09-11T07:27:39Z

@nordicjm do you plan to add release note in this PR on another one?
Or any other form of documentation that the recommended lib due to security aspect is picolib in the mcuboot.
This is part of ticket's AC.

nordicjm · 2025-09-11T08:02:46Z

@nordicjm do you plan to add release note in this PR on another one? Or any other form of documentation that the recommended lib due to security aspect is picolib in the mcuboot. This is part of ticket's AC.

It will be added to migration notes in future yes

kkasperczyk-no · 2025-09-13T08:50:55Z

@nordicjm do you plan to add release note in this PR on another one? Or any other form of documentation that the recommended lib due to security aspect is picolib in the mcuboot. This is part of ticket's AC.

It will be added to migration notes in future yes

Please create jira ticket to make sure that the relevant documentation will be added.

ArekBalysNordic · 2025-09-16T10:44:27Z

samples/matter/window_covering/sysbuild/mcuboot/boards/nrf54lm20dk_nrf54lm20a_cpuapp.conf

@@ -1,26 +1,3 @@
-#


Why did you remove all things from here and there? We can just add the proposed note regarding KRKNWK-20774 and set CONFIG_MINIMAL_LIBC=y, no?

Was a mistake, want meant to append from a temp. file I had in sdk-mcuboot but replaced rather than appended, fixed

kkasperczyk-no · 2025-09-16T10:46:47Z

samples/matter/lock/sysbuild/mcuboot/boards/nrf54lm20dk_nrf54lm20a_cpuapp.conf

-CONFIG_SPI_NOR=y
-CONFIG_SPI_NOR_SFDP_DEVICETREE=y
-CONFIG_SPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
-CONFIG_PM_OVERRIDE_EXTERNAL_DRIVER_CHECK=y


This option cannot be removed without fixing Kconfig.sysbuild first, as you mentioned here: #24233 (comment)

Goes to piclibc, except for nrf54lm20dk which has an issue. Also fixes a wrong selection of a Kconfig which should be done at sysbuild level Signed-off-by: Jamie McCrae <[email protected]>

nordicjm requested a review from a team as a code owner September 10, 2025 12:49

NordicBuilder added the changelog-entry-required Update changelog before merge. Remove label if entry is not needed or already added. label Sep 10, 2025

nordicjm force-pushed the nominimallibcmcubootmatter branch from 983f613 to 1dc599a Compare September 16, 2025 09:47

ArekBalysNordic requested changes Sep 16, 2025

View reviewed changes

kkasperczyk-no reviewed Sep 16, 2025

View reviewed changes

applications/samples: Don't use minimal libc for MCUboot in CHIP

3ffe879

Goes to piclibc, except for nrf54lm20dk which has an issue. Also fixes a wrong selection of a Kconfig which should be done at sysbuild level Signed-off-by: Jamie McCrae <[email protected]>

nordicjm force-pushed the nominimallibcmcubootmatter branch from 1dc599a to 3ffe879 Compare September 16, 2025 11:01

nordicjm requested a review from a team as a code owner September 16, 2025 11:01

nordicjm requested review from kkasperczyk-no and ArekBalysNordic September 16, 2025 11:02

ArekBalysNordic approved these changes Sep 16, 2025

View reviewed changes

tejlmand approved these changes Sep 17, 2025

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nordicjm merged commit d81382b into nrfconnect:main Sep 17, 2025
14 checks passed

nordicjm deleted the nominimallibcmcubootmatter branch September 23, 2025 10:46

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CI Information

Inputs:

Sources:

Github labels

Outputs:

Toolchain

Test Spec & Results: ✅ Success; ❌ Failure; 🟠 Queued; 🟡 Progress; ◻️ Skipped; ⚠️ Quarantine

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