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<h1 id="sigaltarch-meeting-2023-12-15">SIG/AltArch meeting 2023-12-15<a class="headerlink" href="#sigaltarch-meeting-2023-12-15" title="Permanent link">&para;</a></h1>
<h2 id="attendees">Attendees:<a class="headerlink" href="#attendees" title="Permanent link">&para;</a></h2>
<pre><code>* Sherif
* Bryan
* Pablo Greco
* Neil Hanlon
* Skip Grube
</code></pre>
<h2 id="follow-ups">Follow Ups<a class="headerlink" href="#follow-ups" title="Permanent link">&para;</a></h2>
<ul>
<li>Libre Compute - Try/Investigate using vendor tree to build uboot - Pratham</li>
<li>Investigate <code>arm-image-installer</code> script/tool for helping write disk images for specific boards - Sherif (?)</li>
<li>Odroid N2 - Track installability</li>
<li>Orange Pi 5 - Track installability</li>
<li>Rock5b - Track installability</li>
<li>Libre Computing Boards (3)</li>
<li>Maintenance - Importing dependencies from Fedora/EPEL<ul>
<li>Neil is working on this as part of SIG/HPC, too</li>
</ul>
</li>
<li>Document process on backporting uboot and kernels - Pablo<ul>
<li>To include information on how we work and interact with upstreams, with examples! - Sherif</li>
</ul>
</li>
<li>Check and investigate which boards have hardcoded grubx64 paths in their uboot; address them</li>
</ul>
<h2 id="discussions">Discussions<a class="headerlink" href="#discussions" title="Permanent link">&para;</a></h2>
<ul>
<li>Neil provided Sherif with 2 RPi CM4s (+ IO boards), an RPi5, and a SiFive VF2 (RiscV) at SC23 in November</li>
<li>Need to work on integrating SBC and related changes into SIG/Kernel mainline in order to have unified kernel<ul>
<li>Bryan has tried mainline kernel, but it isn't booting -- ends up in dracut shell.<ul>
<li>Will figure out how to capture logs via serial</li>
<li>Libre Tritium H5</li>
</ul>
</li>
</ul>
</li>
<li>It's all Skip's fault</li>
<li>32-bit arm (armhfp/arm7vl) Rocky Port<ul>
<li>Sherif has some odroid boards from work he can donate<ul>
<li>Odroid XU4 x2</li>
<li>Odroid XU4Q x1 - XU4 w/ massive heatsink</li>
</ul>
</li>
<li>Current status (per Pablo)<ul>
<li>have the full bootstrap up to 9.1; we need to start building atop it</li>
<li>need to add Peridot support for armhfp (i can't remember if we included the arch as an option)</li>
<li>where will we host the odroid boards from Sherif</li>
</ul>
</li>
<li>Most of the SBCs for arm7vl/armhfp are not powerful enough to be good build hosts. Maybe we should try Honeycombs? (Solid-run)<ul>
<li>Pablo used his honeycomb and a fedora image to do the initial bootstrap builds</li>
<li>Neil will reach out to OSU about availability of Lenovo eMAGs for us</li>
<li>has neil spoken to Fabian? - No ; Neil will do this</li>
</ul>
</li>
</ul>
</li>
<li>RISCv Rocky Port Status<ul>
<li>Neil - Investigate what and how much riscv hardware we need.. and where we'll host it<ul>
<li>This probably is going to be a whole bunch of VF2s</li>
<li>P670 (16-core - MilkV oasis) would be great, but, upstream support is not yet there. VF2 is a better target for Rocky 9</li>
</ul>
</li>
</ul>
</li>
<li>Various conversations happened here but Neil was dealing with keeping all the mice in his house dead. The following is second-hand :) </li>
<li>Rpi Kernel - Should it live?<ul>
<li>We want to get rid of it, but we can't yet. Skip says yes</li>
<li>Plan:<ul>
<li>Build the rpi kernel as a variant of the mainline</li>
<li>rpi kernel will be subsumed into kernel-mainline-sbc, not further upstream<ul>
<li>This will allow more obvious contribution to ELrepo for SBCs</li>
</ul>
</li>
<li>RPI image will be replaced with a new GenericArm-SBC image produced by Empanadas which includes kernel-mainline-sbc</li>
</ul>
</li>
</ul>
</li>
<li>Next meetings<ul>
<li>Dec 29 - Cancel.</li>
<li>Jan 12 - Keep</li>
</ul>
</li>
</ul>
<h2 id="action-items">Action Items<a class="headerlink" href="#action-items" title="Permanent link">&para;</a></h2>
<ul>
<li>Neil to actually make tickets for the follow ups / decisions. But, like, for real this time.</li>
<li>Neil to reach out to people re: ARMHFP hardwares<ul>
<li>Ampere</li>
<li>OSUOSL</li>
<li>Fabian (arrfab)</li>
</ul>
</li>
<li>Neil to figure out what RISCv hardware we need</li>
<li>Announce Dec 29th meeting cancelation</li>
</ul>
<h2 id="old-business">Old business<a class="headerlink" href="#old-business" title="Permanent link">&para;</a></h2>
<h3 id="2023-10-20">2023-10-20<a class="headerlink" href="#2023-10-20" title="Permanent link">&para;</a></h3>
<h4 id="action-items_1">Action Items<a class="headerlink" href="#action-items_1" title="Permanent link">&para;</a></h4>
<ul>
<li>Libre Compute - Try/Investigate using vendor tree to build uboot - Pratham</li>
<li>Investigate <code>arm-image-installer</code> script/tool for helping write disk images for specific boards - Sherif (?)</li>
<li>Odroid N2 - Track installability</li>
<li>Orange Pi 5 - Track installability</li>
<li>Rock5b - Track installability</li>
<li>Libre Computing Boards (3)</li>
<li>Maintenance - Importing dependencies from Fedora/EPEL</li>
<li>Document process on backporting uboot and kernels - Pablo<ul>
<li>To include information on how we work and interact with upstreams, with examples! - Sherif</li>
</ul>
</li>
<li>Check and investigate which boards have hardcoded grubx64 paths in their uboot; address them</li>
<li>Acquire armhfp (arm7vl) hardware - Neil to reach out to OSU OSL</li>
<li>Neil - Investigate what and how much riscv hardware we need.. and where we'll host it</li>
</ul>
<h4 id="decisions">Decisions<a class="headerlink" href="#decisions" title="Permanent link">&para;</a></h4>
<pre><code>* Images should be generic so as to be able to be installed on any board, where possible.
* uboot can live on SPI or external flash
* We need to help document this for our users and have guides on how to get the SBCs working. This is a big pain point for many SBC users as there is so much variation.
* To this end, we should investigate some tooling to aid in writing images for boards which will boot on the first try.
* Uboot should similarly be generic and work for all boards, insofar as it is practical to do so.
* Some boards this doesn't make sense for, e.g., ones that have uboot from 2014 + hundreds of patches, however, these are few and far between. For these, we can package them as RPMs and provide them (see note below re: licensing)
* We will wait for the next Kernel.org LTS to be cut, as that should have all the changes for the boards we're talking about.
* We will engage with our upstreams (Fedora, ELRepo, etc) for changes we make with the Kernel SIG for AltArch/SBC support.
* This necessitates participating in SIG/Kernel to represent our needs in these kernels.
* We should strive to perform native builds when possible, but recognize that emulation is a necessary evil.
</code></pre>
<div class="admonition note">
<p class="admonition-title">uboot and other licensing</p>
<p>We need to ensure that we are careful about the licensing of softwares we wish to include in the SIG distribution.</p>
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