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<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-mips-faq.xml,v 1.1 2005/09/06 17:59:53 swift Exp $ --> |
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<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> |
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<guide link="/doc/en/gentoo-mips-faq.xml"> |
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<title>Gentoo Linux/MIPS Frequently Asked Questions</title> |
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<author title="Author"> |
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<mail link="redhatter@gentoo.org">Stuart Longland</mail> |
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</author> |
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<abstract> |
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This FAQ is intended to answer some of the most frequently asked questions |
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relating to Gentoo/MIPS and Linux/MIPS in general. |
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</abstract> |
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<!-- The content of this document is licensed under the CC-BY-SA license --> |
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<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> |
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<license/> |
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<version>1.1</version> |
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<date>2005-09-08</date> |
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swift |
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<chapter> |
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<title>About this document</title> |
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<section> |
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<title>Introduction</title> |
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<body> |
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<p> |
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This FAQ is intended to answer frequently asked questions about Gentoo/MIPS and |
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Linux/MIPS that we receive from various users. It's aimed at both new users |
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and experienced users alike. It has been split into a number of categories |
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to make navigation easier. |
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</p> |
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<p> |
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If you have anything to contribute to the FAQ or, having read this guide, you |
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still have questions that are left unanswered, feel free to |
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<uri link="http://mips.gentoo.org">drop us a line</uri>. |
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</p> |
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</body> |
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</section> |
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<section> |
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<title>Content</title> |
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<body> |
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<p> |
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<b>About the Gentoo/MIPS project</b> |
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</p> |
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<ul> |
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<li><uri link="#what">What is Gentoo/MIPS?</uri></li> |
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<li><uri link="#why">Why install Gentoo Linux on MIPS?</uri></li> |
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<li> |
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<uri link="#port">Why don't you port Gentoo to NetBSD/MIPS or IRIX?</uri> |
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</li> |
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</ul> |
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<p> |
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<b>MIPS Hardware FAQs</b> |
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</p> |
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<ul> |
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<li><uri link="#hw-what">What is MIPS?</uri></li> |
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<li> |
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<uri link="#hardware">What sort of hardware uses MIPS processors?</uri> |
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</li> |
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<li><uri link="#supported">Is my machine supported?</uri></li> |
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<li><uri link="#support_X">Why don't you support machine X</uri></li> |
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</ul> |
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<p> |
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<b>MIPS Software FAQs</b> |
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</p> |
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<ul> |
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<li><uri link="#stage">Which stage tarball do I use?</uri></li> |
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<li> |
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<uri link="#chroot">I got told "illegal instruction" or "Cannot Execute |
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Binary File" when chrooting. What did I do wrong?</uri> |
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</li> |
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</ul> |
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<p> |
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<b>Silicon Graphics Specific FAQs</b> |
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</p> |
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<ul> |
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<li><uri link="#netboot">Why doesn't my SGI machine netboot?</uri></li> |
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<li> |
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<uri link="#serial">The machine downloads the kernel, but then "hangs" |
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(using a monitor and keyboard -- not serial console)</uri> |
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</li> |
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</ul> |
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<p> |
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<b>Cobalt Specific FAQs</b> |
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</p> |
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<ul> |
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<li><uri link="#cobaltboot">Why won't my Cobalt machine boot?</uri></li> |
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<li><uri link="#qube2700">Why don't you support the Qube 2700?</uri></li> |
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</ul> |
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</body> |
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</section> |
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</chapter> |
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<chapter> |
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<title>About the Gentoo/MIPS Project</title> |
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<section id="what"> |
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<title>What is Gentoo/MIPS?</title> |
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<body> |
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<p> |
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Gentoo/MIPS is a small project within the Gentoo Foundation, responsible for |
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looking after the MIPS port of Gentoo Linux. We currently look after two main |
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sub architectures of the MIPS family specifically: Silicon Graphics systems and |
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MIPS-based Cobalt servers. |
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</p> |
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</body> |
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</section> |
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<section id="why"> |
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<title>Why install Gentoo Linux on MIPS?</title> |
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<body> |
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<p> |
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Okay, sure, some MIPS machines aren't the fastest boxes on the block these days. |
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However, despite the age of some of these beasts, they still can make very |
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functional, useful machines. A Cobalt Qube 2 could make a very nice broadband |
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Internet router, capable of hosting websites, email, IRC and numerous other |
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tasks. There are a number of reasons why you'd want to install Linux on this |
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sort of hardware. |
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</p> |
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<ul> |
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<li> |
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It teaches you a lot about computer hardware by giving you an alternate |
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frame of reference |
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</li> |
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<li> |
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It allows you to turn what would otherwise be useless junk into a very |
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functional system |
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</li> |
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<li> |
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Status Symbol: Linux on x86 is so common these days it's not funny. |
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However, Linux on MIPS is a lot less common and quite a talking point. |
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</li> |
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</ul> |
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</body> |
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</section> |
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<section id="port"> |
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<title>Why don't you port Gentoo to NetBSD/MIPS or IRIX?</title> |
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<body> |
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<p> |
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Hey, great idea. Unfortunately, a lot of the Gentoo/MIPS team already have |
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their hands full looking after Linux/MIPS as well as other commitments. |
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However, you're welcome to give it a try. May I suggest raising this on the |
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<uri link="http://forums.gentoo.org/viewforum-f-32.html">Gentoo Forums</uri> and |
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see what the interest is first. Also, have a look at some of the other threads |
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on porting Gentoo to other architectures such as |
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<uri link="http://forums.gentoo.org/viewtopic-t-113387.html">Solaris/SPARC</uri>, |
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<uri link="http://forums.gentoo.org/viewtopic-t-319607.html">IBM OS/2</uri> and |
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<uri link="http://forums.gentoo.org/viewtopic-t-319691.html">Microsoft Services |
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For Unix</uri> for hints on how to proceed. If after some hacking you get |
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something useful out of it... chances are a few developers will pick up on this |
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and help you get it to the next stage. |
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</p> |
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</body> |
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</section> |
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</chapter> |
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<chapter> |
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<title>MIPS Hardware FAQs</title> |
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<section id="hw-what"> |
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<title>What is MIPS?</title> |
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<body> |
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<p> |
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<uri link="http://www.mips.com">MIPS Technologies</uri> is a company that |
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produce a number of RISC CPU cores which implement the MIPS Instruction Set |
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Architecture. These processors appear in all sorts of hardware ranging from |
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small embedded devices to large servers. |
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</p> |
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<p> |
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It also happens to be an acronym; <b>M</b>illions of <b>I</b>nstructions |
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<b>P</b>er <b>S</b>econd. |
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</p> |
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</body> |
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</section> |
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<section id="hardware"> |
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<title>What sort of hardware uses MIPS processors?</title> |
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<body> |
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<p> |
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Good question. In short... Heaps. MIPS Processors see use inside all sorts |
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of machines, ranging from small PDAs (such as the early Windows CE powered Casio |
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PDAs), X Terminals (e.g. Tektronix TekXPress XP330 series), through to |
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workstations such as the Silicon Graphics Indy and O2 and even high end servers |
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such as the Silicon Graphics Origin 2000. |
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</p> |
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<p> |
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Here is a list of some of the more famous MIPS-based systems in use. A more |
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comprehensive list can be found on the |
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<uri link="http://www.linux-mips.org/wiki/index.php/Systems">Linux/MIPS website</uri> |
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</p> |
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<table> |
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<tr> |
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<th>Sony Game Consoles</th> |
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<ti> |
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<uri link="http://www.linux-mips.org/wiki/index.php/PS1"> |
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PlayStation</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/PS2"> |
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PlayStation 2</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/PSP"> |
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PlayStation Pocket</uri> |
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</ti> |
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</tr> |
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<tr> |
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<th>Nintendo Game Consoles</th> |
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<ti> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Nintendo_64"> |
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Nintendo 64 |
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</uri> |
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</ti> |
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</tr> |
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<tr> |
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<th>Silicon Graphics Machines</th> |
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<ti> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP12"> |
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Iris Indigo</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP19"> |
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Challenge</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP19"> |
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Onyx</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP22"> |
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Indy</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP22"> |
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Indigo 2</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP22"> |
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Challenge S</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP27"> |
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Origin 200</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP27"> |
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Origin 2000</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP27"> |
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Onyx 2</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP30"> |
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Octane</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP30"> |
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Octane 2</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP32"> |
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O2</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP34"> |
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Fuel</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP35"> |
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Origin 3000</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP45"> |
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Origin 300</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP53"> |
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Origin 350</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/IP53"> |
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Tezro</uri> |
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</ti> |
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</tr> |
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<tr> |
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<th>DECStations</th> |
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<ti> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Deskstation_rPC44"> |
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rPC44</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Deskstation_Tyne"> |
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Tyne</uri> |
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</ti> |
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</tr> |
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<tr> |
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<th>Cobalt Microservers</th> |
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<ti> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Cobalt"> |
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Qube 2700</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Cobalt"> |
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Qube 2800</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Cobalt"> |
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RaQ</uri><br /> |
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<uri link="http://www.linux-mips.org/wiki/index.php/Cobalt"> |
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RaQ 2</uri> |
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</ti> |
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</tr> |
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<tr> |
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<th> |
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Broadcom-based 802.11g<br /> |
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Broadband Internet Routers |
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</th> |
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<ti> |
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<uri link="http://openwrt.org/">Linksys WRT54G</uri> |
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</ti> |
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</tr> |
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</table> |
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<p> |
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... and that's only just scratching the surface. These machines are wide and |
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varied. Many of them do not currently run Linux. Of those that do, we only |
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support a handful, although you're welcome to port Gentoo/MIPS to any MIPS |
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machine if you so wish. Some of these machines are also the focus of the <uri |
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link="http://embedded.gentoo.org">Embedded Gentoo Project</uri> such as the |
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Linksys WRT54G. |
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</p> |
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</body> |
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</section> |
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<section id="supported"> |
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<title>Is my machine supported?</title> |
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<body> |
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<p> |
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This question is difficult to answer. Your machine could fall into one of three |
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different baskets: |
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</p> |
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<ul> |
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<li>Your machine is supported by Gentoo/MIPS</li> |
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<li>Your machine is supported by Linux/MIPS, but not by Gentoo/MIPS (yet)</li> |
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<li>Your machine is not supported by Linux/MIPS</li> |
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</ul> |
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<p> |
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For the first one an easy way to find out is to have a look at the |
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<uri link="/doc/en/mips-requirements.xml">Gentoo/MIPS |
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requirements page</uri>. This will tell you if the system you've got can |
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theoretically run Gentoo/MIPS. Stuart has also written a |
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<uri link="http://stuartl.longlandclan.hopto.org/gentoo/mips/">hardware support |
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database</uri> in which users may contribute their experiences. This can help |
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measure how well Gentoo/MIPS runs on a particular machine. |
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</p> |
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<p> |
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If you don't find your machine listed there, you may wish to have a look on the |
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<uri link="http://www.linux-mips.org/wiki/index.php/Systems">Linux/MIPS |
| 350 |
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website</uri> to find it there. Installation won't be straightforward however, |
| 351 |
|
|
as the actual process of producing a kernel and suitable boot media for your |
| 352 |
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|
hardware will have to be done largely by yourself. Naturally though, we'll try |
| 353 |
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to help where we can. |
| 354 |
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</p> |
| 355 |
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|
| 356 |
|
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</body> |
| 357 |
|
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</section> |
| 358 |
|
|
<section id="support_X"> |
| 359 |
|
|
<title>Why don't you support machine X</title> |
| 360 |
|
|
<body> |
| 361 |
|
|
|
| 362 |
|
|
<p> |
| 363 |
|
|
If you've looked at the Gentoo/MIPS Hardware Requirements page, you've probably |
| 364 |
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|
noticed there are a LOT of machines we don't support. In the case of SGI |
| 365 |
|
|
hardware, very little is known about some of them, not enough |
| 366 |
|
|
to successfully port Linux to them. |
| 367 |
|
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</p> |
| 368 |
|
|
|
| 369 |
|
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<p> |
| 370 |
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If you managed to get Linux working on a box currently listed as |
| 371 |
|
|
<e>unsupported</e> however, feel free to tell us. We'd be interested to know. |
| 372 |
|
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</p> |
| 373 |
|
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|
| 374 |
|
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</body> |
| 375 |
|
|
</section> |
| 376 |
|
|
</chapter> |
| 377 |
|
|
|
| 378 |
|
|
<chapter> |
| 379 |
|
|
<title>MIPS Software FAQs</title> |
| 380 |
|
|
<section id="stage"> |
| 381 |
|
|
<title>Which stage tarball do I use?</title> |
| 382 |
|
|
<body> |
| 383 |
|
|
|
| 384 |
|
|
<p> |
| 385 |
|
|
This will depend on the CPU type running in your system. The stage filename is |
| 386 |
|
|
named as follows: |
| 387 |
|
|
</p> |
| 388 |
|
|
|
| 389 |
|
|
<pre caption="Stage Tarball Naming Scheme"> |
| 390 |
|
|
stage3-mipsel4-2005.0.tar.bz2 |
| 391 |
|
|
\____/ \_____/ \____/ |
| 392 |
|
|
| | | |
| 393 |
|
|
| | `--- Gentoo Release (e.g. 1.4, 2004.3, 2005.0) |
| 394 |
|
|
| | |
| 395 |
|
|
| `----------- Endianness and ISA Level |
| 396 |
|
|
| mips ==> Big Endian |
| 397 |
|
|
| mipsel ==> Little Endian |
| 398 |
|
|
| |
| 399 |
|
|
| R3xxx and earlier: ISA Level 1 |
| 400 |
|
|
| R4xxx series: ISA Level 3 |
| 401 |
|
|
| R5000 and above: ISA Level 4 |
| 402 |
|
|
| |
| 403 |
|
|
`------------------ Stage Tarball type: 1, 2 or 3. |
| 404 |
|
|
</pre> |
| 405 |
|
|
|
| 406 |
|
|
<p> |
| 407 |
|
|
So for those of you who are running R4000-class CPUs, try a <c>mips3</c> or |
| 408 |
|
|
<c>mipsel3</c> stage tarball. |
| 409 |
|
|
</p> |
| 410 |
|
|
|
| 411 |
|
|
<p> |
| 412 |
|
|
For those running R5000-class or later CPUs, try a <c>mips4</c> or |
| 413 |
|
|
<c>mipsel4</c> stage tarball. |
| 414 |
|
|
</p> |
| 415 |
|
|
|
| 416 |
|
|
<p> |
| 417 |
|
|
Sometimes the filename will have <c>n32</c> or <c>n64</c> in the filename as |
| 418 |
|
|
well. These refer to 64-bit userland images. At the moment, support for 64-bit |
| 419 |
|
|
userlands is still quite flaky and a lot of packages are broken. I'd suggest |
| 420 |
|
|
leaving these alone unless you're particularly brave and don't mind a rather |
| 421 |
|
|
bumpy ride. |
| 422 |
|
|
</p> |
| 423 |
|
|
|
| 424 |
|
|
</body> |
| 425 |
|
|
</section> |
| 426 |
|
|
<section id="chroot"> |
| 427 |
|
|
<title>I got told "Illegal Instruction" or "Cannot Execute Binary |
| 428 |
|
|
File" when chrooting. What did I do wrong?</title> |
| 429 |
|
|
<body> |
| 430 |
|
|
|
| 431 |
|
|
<p> |
| 432 |
|
|
This is generally caused by using the wrong stage tarball. If you try to run a |
| 433 |
|
|
<c>mips4</c> userland on a <c>mips3</c> CPU, you'll get an <e>illegal |
| 434 |
|
|
instruction</e> error message. Likewise, if you have a Big Endian CPU and you |
| 435 |
|
|
try running Little Endian code on it, you'll get told <e>cannot execute binary |
| 436 |
|
|
file</e>. |
| 437 |
|
|
</p> |
| 438 |
|
|
|
| 439 |
|
|
<p> |
| 440 |
|
|
The fix is simple... clean out your partition, then unpack the correct tarball. |
| 441 |
|
|
Which one is that I hear you ask? Have a read of the previous FAQ entry. |
| 442 |
|
|
</p> |
| 443 |
|
|
|
| 444 |
|
|
</body> |
| 445 |
|
|
</section> |
| 446 |
|
|
</chapter> |
| 447 |
|
|
|
| 448 |
|
|
<chapter> |
| 449 |
|
|
<title>Silicon Graphics Specific FAQs</title> |
| 450 |
|
|
<section id="netboot"> |
| 451 |
|
|
<title>Why doesn't my SGI machine netboot?</title> |
| 452 |
|
|
<body> |
| 453 |
|
|
|
| 454 |
|
|
<p> |
| 455 |
|
|
This could be for any number of reasons, ranging from cabling issues, through to |
| 456 |
|
|
issues on the server. The best way to troubleshoot any problem is a |
| 457 |
|
|
step-by-step approach... |
| 458 |
|
|
</p> |
| 459 |
|
|
|
| 460 |
|
|
<ol> |
| 461 |
|
|
<li> |
| 462 |
|
|
<b>Have you got the SGI machine (and server) plugged into the right |
| 463 |
|
|
network ports?</b><br /> |
| 464 |
|
|
Make sure the network is cabled correctly. Also note that some machines |
| 465 |
|
|
have special needs. For instance the Challenge S cannot obtain network |
| 466 |
|
|
connectivity under Linux via its UTP port, you need to use the AUI port |
| 467 |
|
|
via a transceiver. |
| 468 |
|
|
</li> |
| 469 |
|
|
<li> |
| 470 |
|
|
<b>Are there any firewalls in use?</b><br /> |
| 471 |
|
|
Make sure your firewall is not blocking DHCP/BOOTP requests (ports 67 and |
| 472 |
|
|
68 on UDP) or TFTP (port 69 on UDP).<br /> |
| 473 |
|
|
<c>iptables -I INPUT 1 -p udp --dport 67:69 -j ACCEPT</c> should get things |
| 474 |
|
|
rolling. |
| 475 |
|
|
</li> |
| 476 |
|
|
<li> |
| 477 |
|
|
<b>Have you disabled packet MTU discovery and set the port range?</b><br /> |
| 478 |
|
|
SGI boxes require <path>/proc/sys/net/ipv4/ip_no_pmtu_disc</path> = 1 and |
| 479 |
|
|
<path>/proc/sys/net/ipv4/ip_local_port_range</path> = "2048 32767". See <uri |
| 480 |
|
|
link="/doc/en/handbook/handbook-mips.xml?part=1&chap=2#doc_chap4">the |
| 481 |
|
|
Gentoo/MIPS handbook</uri>. |
| 482 |
|
|
</li> |
| 483 |
|
|
<li> |
| 484 |
|
|
<b>Is the server giving out the correct details via BOOTP?</b><br /> |
| 485 |
|
|
Double check your <path>/etc/dhcp/dhcpd.conf</path>. ISC's dhcpd won't dish |
| 486 |
|
|
out addressing information via BOOTP unless the machine has been statically |
| 487 |
|
|
defined with a fixed address. |
| 488 |
|
|
</li> |
| 489 |
|
|
<li> |
| 490 |
|
|
<b>Which TFTP server are you using?</b><br /> |
| 491 |
|
|
<c>tftp-hpa</c> and <c>netkit-tftp</c> are known to work. <c>atftp</c> is a |
| 492 |
|
|
lot more advanced, this can cause problems. If in doubt, try installing |
| 493 |
|
|
<c>tftp-hpa</c> and see if the problem clears up. |
| 494 |
|
|
</li> |
| 495 |
|
|
<li> |
| 496 |
|
|
<b>Are the daemons running?</b><br /> |
| 497 |
|
|
<c>dhcpd</c> should show up when typing <c>ps ax</c>. As for TFTP, it'll |
| 498 |
|
|
largely depend on whether its a standalone server, or if its running from |
| 499 |
|
|
<c>(x)inetd</c>. <c>tftp-hpa</c> runs as a process called <c>in.tftpd</c>. |
| 500 |
|
|
Look for that in the <c>ps ax</c> output and start any services not |
| 501 |
|
|
currently running. |
| 502 |
|
|
</li> |
| 503 |
|
|
<li> |
| 504 |
|
|
<b>Does the kernel exist in <path>/tftpboot</path>?</b><br /> |
| 505 |
|
|
Make sure you place the kernel image to be booted in this directory and |
| 506 |
|
|
that it is world-readable. (<c>chmod 644 /tftpboot/foo</c>) Also, in your |
| 507 |
|
|
<path>/etc/dhcp/dhcpd.conf</path>, note that the path to the kernel will be |
| 508 |
|
|
relative to the <path>/tftpboot</path> directory if you're using |
| 509 |
|
|
<c>tftp-hpa</c>. |
| 510 |
|
|
</li> |
| 511 |
|
|
<li> |
| 512 |
|
|
<b>Have you unset the <c>netaddr</c> and <c>dlserver</c> PROM |
| 513 |
|
|
variables?</b><br /> |
| 514 |
|
|
Try running <c>unsetenv netaddr</c> and <c>unsetenv dlserver</c>. |
| 515 |
|
|
</li> |
| 516 |
|
|
</ol> |
| 517 |
|
|
|
| 518 |
|
|
</body> |
| 519 |
|
|
</section> |
| 520 |
|
|
<section id="serial"> |
| 521 |
|
|
<title>The machine downloads the kernel, but then "hangs" (using a monitor and |
| 522 |
|
|
keyboard -- not serial console)</title> |
| 523 |
|
|
<body> |
| 524 |
|
|
|
| 525 |
|
|
<p> |
| 526 |
|
|
Unfortunately, not all graphics frame buffers are supported under Linux yet. |
| 527 |
|
|
This doesn't mean you can't use the machine... it just means you'll need a |
| 528 |
|
|
null-modem serial cable to interact with it. It is quite possible that the |
| 529 |
|
|
machine is in fact running, however, the system is outputting to the serial |
| 530 |
|
|
console rather than the screen. |
| 531 |
|
|
</p> |
| 532 |
|
|
|
| 533 |
|
|
</body> |
| 534 |
|
|
</section> |
| 535 |
|
|
</chapter> |
| 536 |
|
|
|
| 537 |
|
|
<chapter> |
| 538 |
|
|
<title>Cobalt Specific FAQs</title> |
| 539 |
|
|
<section id="cobaltboot"> |
| 540 |
|
|
<title>Why won't my Cobalt machine boot?</title> |
| 541 |
|
|
<body> |
| 542 |
|
|
|
| 543 |
|
|
<p> |
| 544 |
|
|
This could be for a number of reasons. Our easiest bet however is to run |
| 545 |
|
|
through a checklist and make sure everything is correct. |
| 546 |
|
|
</p> |
| 547 |
|
|
|
| 548 |
|
|
<ol> |
| 549 |
|
|
<li> |
| 550 |
|
|
<b>Have you got the Cobalt machine (and server) plugged into the right |
| 551 |
|
|
network ports?</b><br /> |
| 552 |
|
|
Make sure the network is cabled correctly. Please note, the Cobalt firmware |
| 553 |
|
|
will only boot via the Primary network port. |
| 554 |
|
|
</li> |
| 555 |
|
|
<li> |
| 556 |
|
|
<b>Are there any firewalls in use?</b><br /> |
| 557 |
|
|
Make sure your firewall is not blocking DHCP/BOOTP requests (ports 67 and |
| 558 |
|
|
68 on UDP) or RPC/Portmap (port 111 on UDP and TCP).<br /> |
| 559 |
|
|
<c>iptables -I INPUT 1 -p udp --dport 67:68 -j ACCEPT</c><br /> |
| 560 |
|
|
<c>iptables -I INPUT 1 -p udp --dport 111 -j ACCEPT</c><br /> |
| 561 |
|
|
<c>iptables -I INPUT 1 -p tcp --dport 111 -j ACCEPT</c> |
| 562 |
|
|
should get things rolling. |
| 563 |
|
|
</li> |
| 564 |
|
|
<li> |
| 565 |
|
|
<b>Is the server giving out the correct details via BOOTP?</b><br /> |
| 566 |
|
|
Double check your <path>/etc/dhcp/dhcpd.conf</path>. ISCs dhcpd won't dish |
| 567 |
|
|
out addressing information via BOOTP unless the machine has been statically |
| 568 |
|
|
defined with a fixed address. |
| 569 |
|
|
</li> |
| 570 |
|
|
<li> |
| 571 |
|
|
<b>Are you exporting <path>/nfsroot</path> in your |
| 572 |
|
|
<path>/etc/exports</path>?</b><br /> |
| 573 |
|
|
Make sure you are exporting that to the Cobalt machine. It only needs |
| 574 |
|
|
read-only access. Also remember to run <c>exportfs -av</c> after you edit |
| 575 |
|
|
the file. |
| 576 |
|
|
</li> |
| 577 |
|
|
<li> |
| 578 |
|
|
<b>Are the daemons running?</b><br /> |
| 579 |
|
|
<c>dhcpd</c> should show up when typing <c>ps ax</c>. Likewise with |
| 580 |
|
|
<c>portmap</c> and the other RPC daemons. The following commands should |
| 581 |
|
|
look after this for you:<br /> |
| 582 |
|
|
<c>/etc/init.d/dhcp start</c><br /> |
| 583 |
|
|
<c>/etc/init.d/nfs start</c> |
| 584 |
|
|
</li> |
| 585 |
|
|
<li> |
| 586 |
|
|
<b>Does the kernel exist in <path>/nfsroot</path>?</b><br /> |
| 587 |
|
|
Make sure you place the kernel image to be booted in this directory and |
| 588 |
|
|
that it is world-readable. (<c>chmod 644 /nfsroot/foo</c>) |
| 589 |
|
|
</li> |
| 590 |
|
|
</ol> |
| 591 |
|
|
|
| 592 |
|
|
</body> |
| 593 |
|
|
</section> |
| 594 |
|
|
<section id="qube2700"> |
| 595 |
|
|
<title>Why don't you support the Qube 2700?</title> |
| 596 |
|
|
<body> |
| 597 |
|
|
|
| 598 |
|
|
<p> |
| 599 |
|
|
The Qube 2700 was the first of the Cobalt servers. While they are very nice |
| 600 |
|
|
machines, unfortunately, they lack a serial port. In other words, any |
| 601 |
|
|
interaction with the machine has to be done through a network. At present, our |
| 602 |
|
|
netboot images do not support this, although plans are in the works that may |
| 603 |
|
|
enable support for this machine. |
| 604 |
|
|
</p> |
| 605 |
|
|
|
| 606 |
|
|
</body> |
| 607 |
|
|
</section> |
| 608 |
|
|
|
| 609 |
|
|
</chapter> |
| 610 |
|
|
</guide> |