Reg: Zephyr OpenThread Joiner crashes after Join success — Kernel oopshttps://devzone.nordicsemi.com/f/nordic-q-a/122974/reg-zephyr-openthread-joiner-crashes-after-join-success-kernel-oopsWe are implementing a Joiner device using OpenThread on the nRF5340 (with Zephyr, NCS v3.5.99-ncs1-4). After successfully joining the Commissioner&#39;s network (&quot;Join success&quot;), the device crashes shortly afterward with a fatal kernel oops, followed by continuousen-USTelligent Community 13Thu, 21 Aug 2025 19:01:55 GMTRE: Reg: Zephyr OpenThread Joiner crashes after Join success — Kernel oopshttps://devzone.nordicsemi.com/thread/546374?ContentTypeID=1Thu, 21 Aug 2025 19:01:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f1bfd87c-382d-4840-a7b9-7112f0fb24f1Amanda Hsieh<p><span>Please try to apply the Net Core configuration from the CLI sample:&nbsp;<a href="https://github.com/nrfconnect/sdk-nrf/blob/main/samples/openthread/cli/sysbuild/ipc_radio/prj.conf">https://github.com/nrfconnect/sdk-nrf/blob/main/samples/openthread/cli/sysbuild/ipc_radio/prj.conf</a></span></p><div style="clear:both;"></div>RE: Reg: Zephyr OpenThread Joiner crashes after Join success — Kernel oopshttps://devzone.nordicsemi.com/thread/545039?ContentTypeID=1Fri, 08 Aug 2025 10:31:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1d1870c1-6798-4906-9d5d-91da00db9659Lavanya_Manohar<p>we are using NCS. We need your support to fix this&nbsp;<br /><br /></p> <p><span>It seems that the issue is with communication between the Application core and the Network core:</span></p> <p><span>[00:00:03.413,452] &lt;err&gt; spinel_ipc_backend_rsp_ntf: No response within timeout 500</span></p><div style="clear:both;"></div>RE: Reg: Zephyr OpenThread Joiner crashes after Join success — Kernel oopshttps://devzone.nordicsemi.com/thread/544225?ContentTypeID=1Thu, 31 Jul 2025 13:09:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:732d905e-649c-40ac-b2c3-7b5aa6c4fa4aAmanda Hsieh<p>Hi,&nbsp;</p> <p>Are you using <a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/index.html">NCS</a> or vanilla Zephyr?</p> <p>Our support is based on NCS.&nbsp;Can you try to use the NCS&nbsp;<a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/openthread/cli/README.html">Thread: CLI</a>&nbsp;sample? Since we cannot&nbsp;reproduce this issue with NCS.&nbsp;</p> <p><span>It seems that the issue is with communication between the Application core and the Network core:</span></p> <p><span>[00:00:03.413,452] &lt;err&gt; spinel_ipc_backend_rsp_ntf: No response within timeout 500</span></p> <p>&nbsp;</p> <p><span>Regards,<br />Amanda H.</span></p><div style="clear:both;"></div>