https://embeddedlinux.blog/en/series/kernel-bbb/Recent content in Kernel-BBB on Embedded Linux BlogHugoenSat, 18 Apr 2026 12:06:21 +0700https://embeddedlinux.blog/en/2026/04/25/kernel-bbb-2-kgdbwait-va-gdb-server/Sat, 25 Apr 2026 06:09:00 +0700https://embeddedlinux.blog/en/2026/04/25/kernel-bbb-2-kgdbwait-va-gdb-server/<p>In this post I use kgdbwait so we can debug the kernel earlier (not as early as through JTAG) and also set up the gdb server so we can use the VS Code extensions :vv</p> <h2 id="1-configuring-the-kernel-command-line">1. Configuring the kernel command line</h2> <h3 id="11-finding-the-way">1.1 Finding the way</h3> <p>In the previous post I tried to change the boot command through u-boot, but in reality</p>https://embeddedlinux.blog/en/2026/04/18/kernel-bbb-1-kgdb-qua-uart/Sat, 18 Apr 2026 06:56:00 +0700https://embeddedlinux.blog/en/2026/04/18/kernel-bbb-1-kgdb-qua-uart/<p>Keeping the configuration from <a href="https://embeddedlinux.blog/en/2025/06/28/yocto-bbb-1-build-beaglebone-black-image-bang-yocto-project/">Yocto-BBB 1</a> , I add a new meta-layer just for this kernel work</p> <h2 id="1-create-a-new-meta-layer">1. Create a new meta layer</h2> <h3 id="11-create-the-meta-layer-and-add-it-to-bblayers">1.1 Create the meta layer and add it to bblayers</h3> <div class="code-block is-term" translate="no" data-lang="bash" data-pagefind-weight="0.4"> <div class="code-head" data-pagefind-ignore><span class="lang">bash</span><button type="button" class="copy-btn" aria-label="Copy" data-copied="Copied"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="11" height="11" rx="2"/><path d="M5 15V5a2 2 0 012-2h10"/></svg><span>Copy</span></button></div><pre class="term"><code><span class="line"><span class="t-p">$</span> <span class="t-c">source</span> oe-init-build-env <span class="t-pa">build-bbb/</span></span> <span class="line"><span class="t-p"><span class="t-pu">zk47@ltu</span>:<span class="t-pd">~/Youtube/Yocto/yocto-bbb/poky/build-bbb</span>$</span> <span class="t-c">bitbake-layers</span> create-layer <span class="t-pa">../meta-kernel</span></span> <span class="line"><span class="t-out">NOTE: Starting bitbake server...</span></span> <span class="line"><span class="t-out">Add your new layer with 'bitbake-layers add-layer ../meta-kernel'</span></span> <span class="line"><span class="t-out"></span></span> <span class="line"><span class="t-p">$</span> <span class="t-c">bitbake-layers</span> add-layer <span class="t-pa">../meta-kernel</span></span> <span class="line"><span class="t-out">NOTE: Starting bitbake server...</span></span> </code></pre></div> <h3 id="12-create-the-kernel-append-recipe">1.2 Create the kernel append recipe</h3> <p>We use the following command to find the kernel recipe (in fact we could use virtual/kernel, but that is a generic name, not the specific one)</p>