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	<title>schestowitz.com &#187; mandriva ram kernel 586 highmem</title>
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		<title>Using Mandriva Linux 2008.1 with 2 GB of RAM (Highmem)</title>
		<link>https://schestowitz.com/Weblog/archives/2008/07/13/using-mandriva-linux-20081-with-2-gb-of-ram-highmem/</link>
		<comments>https://schestowitz.com/Weblog/archives/2008/07/13/using-mandriva-linux-20081-with-2-gb-of-ram-highmem/#comments</comments>
		<pubDate>Sun, 13 Jul 2008 01:06:44 +0000</pubDate>
		<dc:creator><![CDATA[Roy Schestowitz]]></dc:creator>
				<category><![CDATA[Hardware]]></category>
		<category><![CDATA[mandriva ram kernel 586 highmem]]></category>

		<guid isPermaLink="false">http://schestowitz.com/Weblog/?p=1473</guid>
		<description><![CDATA[I&#8217;ve just had quite an ordeal getting my GNU/Linux installation to utilise all my RAM. It&#8217;s the first time that I&#8217;ve had such a problem and I went for the hard solution rather than the simple one (GUI-based), which would have worked fine. For the record, here&#8217;s the process of troubleshooting (publicly logged in the [&#8230;]]]></description>
				<content:encoded><![CDATA[<p>I&#8217;ve just had quite an ordeal getting my GNU/Linux installation to utilise all my RAM. It&#8217;s the first time that I&#8217;ve had such a  problem and I went for the hard solution rather than the simple one (GUI-based), which would have worked fine. For the record, here&#8217;s the process of troubleshooting (publicly logged in the Phoronix channel).</p>
<hr />
<p>&lt;<b>schestowitz</b>> I have a quick h/w question. Is there any reason why on a dual-core system with 2GB of RAM only 1GB should be reported as visible?<br />
&lt;<b>starkmjolk</b>> schestowitz: not that I&#8217;m aware of.<br />
&lt;<b>starkmjolk</b>> schestowitz: is 2GB visible in the BIOS?<br />
&lt;<b>schestowitz</b>> Oh, I&#8217;d have to reboot to check this.<br />
&lt;<b>schestowitz</b>> starkmjolk: I&#8217;m underutilising.  My BIOS shows 2 GB but this system only picks up 1 GB (Mandriva 2008.1 32-bit on an AMD 64-capable).<br />
&lt;<b>redeeman</b>> does it show 1024 or 8xx ?<br />
&lt;<b>starkmjolk</b>> schestowitz: what&#8217;s the first number of &#8220;free -m&#8221; in a terminal?<br />
&lt;<b>schestowitz</b>> Mem:           884        874          9          0         20        338<br />
&lt;<b>redeeman</b>> you are missing highmem<br />
&lt;<b>redeeman</b>> in the kernel<br />
&lt;<b>uncle_fungus</b>> looks like you&#8217;re running a lowmem kernel<br />
&lt;<b>uncle_fungus</b>> darn, beat me to it<br />
&lt;<b>schestowitz</b>> Never compiled one before.<br />
&lt;<b>redeeman</b>> weird that mandriva would disable highmem<br />
&lt;<b>redeeman</b>> especially in these days<br />
&lt;<b>redeeman</b>> but i guess they figure people are gonna use 64bit<br />
&lt;<b>schestowitz</b>> Yes, indeed. 2 GB is quite standard.<br />
&lt;<b>redeeman</b>> what cpu is it?<br />
&lt;<b>redeeman</b>> anyway, you should get 64bit<br />
&lt;<b>uncle_fungus</b>> you&#8217;ve got the 586 kernel installed.<br />
&lt;<b>schestowitz</b>> Amd Athlon X2 5000<br />
&lt;<b>uncle_fungus</b>> install the equivalent without 586 in the name<br />
&lt;<b>schestowitz</b>> Having already set it all up, I&#8217;d be reluctant to mess with the kernel.<br />
&lt;<b>uncle_fungus</b>> kernel-desktop-2.6.24.5-1mnb will do you just fine<br />
&lt;<b>redeeman</b>> you are going to get updates to the kernel eventualy<br />
&lt;<b>redeeman</b>> +l<br />
&lt;<b>schestowitz</b>> It might break something, no?<br />
&lt;<b>uncle_fungus</b>> no<br />
&lt;<b>redeeman</b>> well it can break stuff naturally, but the chances are very slim<br />
&lt;<b>redeeman</b>> and you can always just go back<br />
&lt;<b>redeeman</b>> if it does not work<br />
&lt;<b>schestowitz</b>> Hmmm&#8230; assuming I have prior experience building it from source and replacing, no?<br />
&lt;<b>schestowitz</b>> Thanks for the help BTW.<br />
&lt;<b>uncle_fungus</b>> go into rpmdrake and select the kernel-desktop-latest package<br />
&lt;<b>uncle_fungus</b>> and disable the kernel-desktop586-latest package<br />
&lt;<b>schestowitz</b>> Oooo, lots of options there&#8230; under &#8216;kernel-desktop-latest&#8217;<br />
&lt;<b>uncle_fungus</b>> the regular one will do<br />
&lt;<b>uncle_fungus</b>> to start with<br />
&lt;<b>uncle_fungus</b>> it should have 2.6.24.5 as the version<br />
&lt;<b>schestowitz</b>> OK, I&#8217;m selecting and adding kernel-desktop-latest<br />
&lt;<b>schestowitz</b>> To satisfy dependencies, the following package(s) also need to be installed: kernel-desktop-2.6.24.5-2mnb-1-1mnb1.i586?<br />
&lt;<b>uncle_fungus</b>> yup<br />
&lt;<b>schestowitz</b>> The following 2 packages are going to be installed: &#8211; kernel-desktop-2.6.24.5-2mnb-1-1mnb1.i586<br />
&lt;<b>schestowitz</b>> &#8211; kernel-desktop-latest-2.6.24.5-2mnb1.i586<br />
&lt;<b>uncle_fungus</b>> yea, one&#8217;s the kernel, one&#8217;s a meta package that will auto-pull the latest available<br />
&lt;<b>schestowitz</b>> Ok, I trust you on this. <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":-)" class="wp-smiley" /><br />
&lt;<b>schestowitz</b>> OK. It&#8217;s done. Anything I should do next?<br />
&lt;<b>uncle_fungus</b>> reboot and select your new kernel <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_wink.gif" alt=";)" class="wp-smiley" /><br />
&lt;<b>uncle_fungus</b>> if it doesn&#8217;t work, reboot and use the old one again<br />
&lt;<b>schestowitz</b>> How would I select the old one? Which one should I try to choose?\<br />
&lt;<b>uncle_fungus</b>> it&#8217;ll appear in your boot menu<br />
&lt;<b>schestowitz</b>> Okay, so I&#8217;ll try the one without 585 in the name, right?<br />
&lt;<b>uncle_fungus</b>> yup<br />
&lt;<b>schestowitz</b>> Thanks a lot! Hopefully I&#8217;ll be back. <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":-)" class="wp-smiley" /> </p>
<p>[...]</p>
<p>&lt;<b>schestowitz</b>> uncle_fungus: uncle. Dude. You almost killed me.<br />
&lt;<b>uncle_fungus</b>> huh?<br />
&lt;<b>uncle_fungus</b>> i did wonder why you were offline so long<br />
&lt;<b>schestowitz</b>> <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":-)" class="wp-smiley" />  Here I am 3 hours later with yet another new distro. <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":)" class="wp-smiley" /><br />
&lt;<b>schestowitz</b>> Don&#8217;t worry.<br />
&lt;<b>schestowitz</b>> The good news is that I have all 2 gigs now and it&#8217;s back to normal. All kernels including the old one went bananas.<br />
&lt;<b>schestowitz</b>> <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":-)" class="wp-smiley" /><br />
&lt;<b>schestowitz</b>> Just for details (Michael has this documented, so&#8230;)<br />
&lt;<b>uncle_fungus</b>> oh? bananas how?<br />
&lt;<b>schestowitz</b>> After updating the kernel the graphics driver went boom ( <img src="https://schestowitz.com/Weblog/wp-includes/images/smilies/icon_smile.gif" alt=":-)" class="wp-smiley" />  ) and I could barely give text input except for in tty1<br />
&lt;<b>uncle_fungus</b>> ah, yes, thats a bit of stupidity in the mandriva update system<br />
&lt;<b>schestowitz</b>> It seems as though the Mandriva conrol centre (MCC it&#8217;s called?) had a better procedure for fecthing new kernels with drivers embedded in them.<br />
&lt;<b>schestowitz</b>> uncle_fungus: I agree. I wasn&#8217;t faulting you.<br />
&lt;<b>schestowitz</b>> Anyway, I have another new partition (Kubuntu is what I&#8217;ve had burned).<br />
&lt;<b>uncle_fungus</b>> depends what drivers you need. The fglrx installer in mandriva is hopeless in my experience. I just do everything manually<br />
&lt;<b>schestowitz</b>> Perhaps more interestingly, Manbo came up in the package management.<br />
&lt;<b>schestowitz</b>> And I&#8217;m sensitive to this because Turbolinux swaps code with Microsoft and gets to see their source code.<br />
&lt;<b>schestowitz</b>> That patent deal and Manbo have always been a bit of a mystery, particularly their legal effect. PJ gave up on Mandriva because of it and I debated with Peter Brown of the FSF at the time. No answers. Anyway, Manbo is already *ahem* alive.<br />
&lt;<b>schestowitz</b>> BTW, I&#8217;d use the free driver, but michaellarabel insisted that dual-head needs the blob.</p>
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