Re: [I] [HELP] Please explain the esp32 wlan driver working which cause the following issue on cpu0 [nuttx]</span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=commits@nuttx.apache.org&q=from:%22via+GitHub%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">via GitHub</span></span></a></span> <span class="date"><a href="/search?l=commits@nuttx.apache.org&q=date:20250505" rel="nofollow">Mon, 05 May 2025 09:24:42 -0700</a></span> </p> </div> <div itemprop="articleBody" class="msgBody"> <!--X-Body-of-Message--> <pre> abisop commented on issue #16269: URL: <a rel="nofollow" href="https://github.com/apache/nuttx/issues/16269#issuecomment-2851542947">https://github.com/apache/nuttx/issues/16269#issuecomment-2851542947</a></pre><pre> Thanks @fdcavalcanti sir for responding I don't think its a power issue As far as i got to know, its some kind of memory and timing (maybe race condition) issue... Please see this - <a rel="nofollow" href="https://github.com/user-attachments/assets/e3d60979-1a9b-4abd-be22-3d8c9a9dcf9c">https://github.com/user-attachments/assets/e3d60979-1a9b-4abd-be22-3d8c9a9dcf9c</a> let me explain : For lets say we execute Active scan : 1 ) WAPI send command to low level driver for scan. 2) It checks if the scan(or any other request) is complete ![Image](<a rel="nofollow" href="https://github.com/user-attachments/assets/4e6f92db-f071-4482-8c70-5aed6ea41093">https://github.com/user-attachments/assets/4e6f92db-f071-4482-8c70-5aed6ea41093</a>) 3) The previous step is necessary to get the data from lower driver So if we ask him for data before it (lower driver) finishes. ---> (REBOOT/CRASH) Also : >If test with esp32s3-devkit:wifi config no issue will be there but if we add some more features such as ROMFS, Telnettd, etc >This happens Till now I am able to fix the issue by hardcoding a delay: To be continued..... -- This is an automated message from the Apache Git Service. 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