NRF54L15 k_uptime_get() return strange value

[kyozc]

Hi Dev,

Development platform: NRF54L15 + NCS 3.0.2. We use k_uptime_get() to obtain the system uptime and perform task scheduling. Everything runs normally when the device is first started, but after the device runs unattended over the weekend, k_uptime_get() returns a strange value of 590295789593661 ms, causing the entire system timestamps to become disordered. Rebooting does not resolve the issue; the device must be powered off to restore k_uptime_get() to normal. What could be the cause of this issue?  This issue is not consistently reproducible.

Thanks

chen

[Kazi Afroza Sultana]

Hello,

This issue is solved in the NCS V 3.1.0 to upward. Can you try to upgrade the NCS version?

[kyozc]

Hi Kazi Afroza Sultana,

Thank you very much for your suggestion. We agree that upgrading the SDK version is a necessary step to resolve this issue.

Regarding the version selection for our new project, we want to ensure we choose a long-term stable version that will be reliable for ongoing development. Could you recommend which NCS version (3.1.0 or higher) would be the most stable and suitable choice for a new project based on the NRF54L15?

We appreciate your guidance.

Best regards,
Chen