bonds
/
libreboot
fork de libreboot/obsolete-repository-preserved-for-historical-purposes


			
				
					
						
						
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	<title>How to install OpenBSD on a libreboot system</title>
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	<div id="pagetop" class="section">
		<h1>How to install OpenBSD on a libreboot system</h1>
			<p>
				This section relates to preparing, booting and installing a
				OpenBSD distribution on your libreboot system, using nothing more than a USB flash drive (and <i>dd</i>). They've only been tested on a Lenovo ThinkPad x200.
			</p>
			<ul>
				<li><a href="#prepare">Prepare the USB drive (in OpenBSD)</a></li>
				<li><a href="#noencryption">Installing OpenBSD without full disk encryption</a></li>
				<li><a href="#encryption">Installing OpenBSD with full disk encryption</a></li>
				<li><a href="#bootuing">Booting</a></li>
				<li><a href="#configuring_grub">Configuring Grub</a></li>
				<li><a href="#troubleshooting">Troubleshooting</a></li>
			</ul>
			<p>
				<a href="index.html">Back to previous index</a>
			</p>
	</div>

	<div class="section">
		<p>
			<b>This section is only for the GRUB payload. For depthcharge (used on CrOS devices in libreboot), instructions
			have yet to be written in the libreboot documentation.</b>
		</p>
	</div>

	<div id="prepare" class="section">
		
		<h2>Prepare the USB drive (in OpenBSD)</h2>

			<p>
				Connect the USB drive. Check dmesg:<br/>
				<b>$ dmesg | tail</b><br/>

				Check to confirm which drive it is, for example, if you think its sd3:<br/>
				<b>$ disklabel sd3</b>
			</p>

			<p>
				Check that it wasn't automatically mounted. If it was, unmount it. For example:<br/>
				<b>$ doas umount /dev/sd3i</b><br/>
			</p>

			<p>
				dmesg told you what device it is. Overwrite the drive, writing the OpenBSD installer to it with dd. For example:<br/>
				<b>$ doas dd if=install60.fs of=/dev/rsdXc bs=1M; sync</b><br/>
			</p>
			
			<p>
				You should now be able to boot the installer from your USB drive. Continue reading, for
				information about how to do that.
			</p>

			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>
			
	</div>

	<div id="noencryption" class="section">

		<h2>Installing OpenBSD without full disk encryption</h2>

			<p>
				Press C in GRUB to access the command line:
			</p>
			<p>
				grub> <b>kopenbsd (usb0,openbsd1)/6.0/amd64/bsd.rd</b>
			</p>
			<p>
				It will start booting into the OpenBSD installer. Follow the normal process for installing OpenBSD.
			</p>

			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>

	</div>

	<div id="encryption" class="section">

		<h2>Installing OpenBSD with full disk encryption</h2>

			<p>
				Not working. You can modify the above procedure (installation w/o encryption) to install OpenBSD using full disk encryption, and it appears to work, except that its not yet clear how to actually <i>boot</i> an OpenBSD+FDE installation using libreboot+Grub2. If you get it working, please let us know.
			</p>

			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>

	</div>
		
	<div id="booting" class="section">

		<h2>Booting</h2>

			<p>
				Press C in GRUB to access the command line:
			</p>
			<p>
				grub> <b>kopenbsd -r sd0a (ahci0,openbsd1)/bsd</b>
			</p>
			<p>
				OpenBSD will start booting. Yay!
			</p>

			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>

	</div>

	<div id="configuring_grub" class="section">
		
		<h2>Configuring Grub</h2>

			<p>
				If you don't want to drop to the GRUB command line and type in a command to boot OpenBSD every time, you can create a GRUB configuration that's aware of your OpenBSD installation and that will automatically be used by libreboot.
      </p>
			<p>
			On your OpenBSD root partition, create the <b>/grub</b> directory and add the file <b>libreboot_grub.cfg</b> to it. Inside the <b>libreboot_grub.cfg</b> add these lines:
			<p><b>
			default=0
			timeout=3
			menuentry "OpenBSD" {<br>
			&nbsp;&nbsp;&nbsp;&nbsp;kopenbsd -r sd0a (ahci0,openbsd1)/bsd<br>
			}<br>
			</b></p>
			<p>The next time you boot, you'll see the old Grub menu for a few seconds, then you'll see the a new menu with only OpenBSD on the list. After 3 seconds OpenBSD will boot, or you can hit enter to boot.
			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>
			
	</div>
		
	<div id="troubleshooting" class="section">
		
		<h1>Troubleshooting</h1>

			<p>
				Most of these issues occur when using libreboot with coreboot's 'text mode' instead of the coreboot framebuffer.
				This mode is useful for booting payloads like memtest86+ which expect text-mode, but for OpenBSD distributions
				it can be problematic when they are trying to switch to a framebuffer because it doesn't exist.
			</p>

			<p>
				In most cases, you should use the vesafb ROM images. Example filename: libreboot_ukdvorak_vesafb.rom.
			</p>

			<h2>won't boot...something about file not found</h2>
				<p>
					You device names (i.e. usb0, usb1, sd0, sd1, wd0, ahci0, hd0, etc) and numbers may differ. Use TAB completion.
				</p>

			<p>
				<a href="#pagetop">Back to top of page</a>.
			</p>
				
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		<p>
			Copyright &copy;  2014, 2015 Leah Rowe &lt;info@minifree.org&gt;<br/>
			Permission is granted to copy, distribute and/or modify this document
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			or any later version published by Creative Commons;
			
			A copy of the license can be found at <a href="../cc-by-sa-4.0.txt">../cc-by-sa-4.0.txt</a>
		</p>

		<p>
			Updated versions of the license (when available) can be found at
			<a href="https://creativecommons.org/licenses/by-sa/4.0/legalcode">https://creativecommons.org/licenses/by-sa/4.0/legalcode</a>
		</p>

		<p>
			UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
			EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
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