https://devzone.nordicsemi.com/f/nordic-q-a/124655/failed-to-allocate-new-mpu-regionI am programming with nrf52833,ncs v2.9.0.Based on peripheral_hid_keyboard and cetral hid. I send about 6k hid keys to central via ,while sending,peripheral side But ERR report that How this happend?Do there any ideas to solve this? Best regraden-USTelligent Community 13Fri, 24 Oct 2025 16:35:11 GMThttps://devzone.nordicsemi.com/thread/552376?ContentTypeID=1Fri, 24 Oct 2025 16:35:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:702d365b-f8ee-49f8-94b4-6c51c368e694Sigurd<p>Maybe there are some things you can optimize. See this page:&nbsp;<a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/test_and_optimize/optimizing/memory.html">https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/test_and_optimize/optimizing/memory.html</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/552110?ContentTypeID=1Wed, 22 Oct 2025 02:00:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9e7b4533-e714-41e9-bc1a-cca3c2b71349Martin Evans<p>I tried CONFIG_ASSERT=y then i update firmwire through DEVICE MANAGE APP, But report</p> <p><pre class="ui-code" data-mode="text">W: Not enough free space to run swap upgrade W: required 233472 bytes but only 229376 are available</pre></p> <p>Actually flash is 96.55% usage.</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1761098405515v1.png" alt=" " /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/551570?ContentTypeID=1Wed, 15 Oct 2025 11:30:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:885a0033-efcd-4df1-a9bc-e577603c5607Sigurd<p>The error does not make much sense. I&#39;m suspecting this must be some kind of buffer overflow somewhere in your application.</p> <p>I see you have&nbsp;CONFIG_ASSERT=n , please test with&nbsp;CONFIG_ASSERT=y , and see if you can&nbsp;catch&nbsp;where the overflow happens</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/550994?ContentTypeID=1Thu, 09 Oct 2025 10:55:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6701b103-3ebc-47f0-9688-8d49eb5bb0daMartin Evans<p>Sorry for that there are no more log can be post.<br />This is sure happend after bt_hids_inp_rep_send().</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/550062?ContentTypeID=1Mon, 29 Sep 2025 16:51:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e91c929-a584-4bcc-bc66-b0d969d43697Sigurd<p>Hi!</p> <p>Could you post more of the logs?&nbsp;</p> <p>This happens after you call&nbsp;bt_hids_inp_rep_send() ?</p><div style="clear:both;"></div>