nRF5340 audio application ZEPHYR FATAL ERROR in NCS v2.7.0

Hello,

I'm using nRF5340 audio application with nRF Connect SDK v2.7.0 on nrf5340 Audio DK.

I didn't change anything in the sample code but only modifying the NRF5340_AUDIO_TRANSPORT_MODE to change it to bis headset. 

When I burned the code, the error always occurred.

Here is the error log.

I have not encountered this problem when using either NCS v2.6.0 or NCS v2.2.0.

Is there anything else I need to modify in NCS v2.7.0?

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  • Hello,

    I have a few initial thoughts just to find out where to start with possible debugging.

    I didn't change anything in the sample code but only modifying the NRF5340_AUDIO_TRANSPORT_MODE to change it to bis headset. 

    Did you modify NRF5340_AUDIO_TRANSPORT_MODE by setting CONFIG_TRANSPORT_BIS=y in prj.conf?

    I have not encountered this problem when using either NCS v2.6.0 or NCS v2.2.0.

    Is there anything else I need to modify in NCS v2.7.0?

    HL [00:00:00.319,580] [1;33m<wrn> bt_hci_core: Controller does not support 'LE_READ_MAX_ADV_DATA_LEN'. Assuming maximum length is 31 bytes.[0m

    The default controller was changed in NCS v2.6.0. The hci warning indicates some mismatch between the application and network core.

    Did you build (and flash) the application in NCS v2.7.0 for both cores?

    I will return to this next week.

    Best regards,

    Maria

  • Did you modify NRF5340_AUDIO_TRANSPORT_MODE by setting CONFIG_TRANSPORT_BIS=y in prj.conf?

    Yes, I modified NRF5340_AUDIO_TRANSPORT_MODE by settings CONFIG_TRANSPORT_BIS=y in prj.conf.

    Did you build (and flash) the application in NCS v2.7.0 for both cores?

    I executed Pristine build in NCS v2.7.0 environment, and then used Programmer Tool to burn merged_domains.hex.

  • I now know how this error occurs.

    I did not check "Use sysbuild" when editing build configuration.

    After I checked Use sybuild and rebuilt, I didn't encounter ZEPHYR FATAL ERROR again.

  • Hello,

    I am happy to see that you found a solution.

    Please note that building and flashing the nRF5340 Audio applications with the VS Code extension is not currently supported.

    The fully supported methods are to use the buildprog.py script or the command line.

    Best regards,

    Maria

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