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<font face="Comic Sans MS">First I checked /proc/cpuinfo which had
4790.8 as the value for bogomips with noapic and nolapic in the
grub2 config. I removed these options and rebooted. This time I
got 4791.43. So I'm guessing that if I lost anything, it's not
enough to matter. Am I right?<br>
<br>
Thanks<br>
<br>
</font>
<div class="moz-cite-prefix">On 08/13/2013 02:56 PM, Carruth, Rusty
wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Compare
the bogomips of the dual-core boot and the single-core boot.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
the bogomips of the single-core is 2x the bogo of the dual
core, then you’ve not lost anything – you are simply letting
Linux control the sharing of the CPU instead of the CPU.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">(at
least for the stupid hyperthreading stuff, all
hyperthreading did was give you two CPUs running at half the
clock speed of the CPU… Helped Windows users since Windows
did such a bad job of time slicing on a single CPU…)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
<a class="moz-txt-link-abbreviated" href="mailto:plug-discuss-bounces@lists.phxlinux.org">plug-discuss-bounces@lists.phxlinux.org</a>
[<a class="moz-txt-link-freetext" href="mailto:plug-discuss-bounces@lists.phxlinux.org">mailto:plug-discuss-bounces@lists.phxlinux.org</a>] <b>On
Behalf Of </b>Derek Trotter<br>
<b>Sent:</b> Tuesday, August 13, 2013 2:53 PM<br>
<b>To:</b> Main PLUG discussion list<br>
<b>Subject:</b> fix lockup issue left with one core<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Comic Sans
MS"">So far this beast has behaved itself for 3 days.
Today I handbrake on a tv show episode I have on dvd. It's
a 30 minute show and Handbrake normally takes about 20
minutes to encode a 30 minute show. This time I noticed the
estimation of how long it would take hovered around 45
minutes. I then opened top and pressed 1 once it started.
It showed only cpu0. Shouldn't cpu1 also be there? I
looked around online and found that using the noapic option
in grub only allows one core of a multi core processor to
run. Is there any way to enable apic and lapic if necessary
without it causing my machine to lock up again?<br>
<br>
Thanks<br>
<br>
</span><o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>"I get my copy of the daily paper, look at the obituaries page, and if Iâm not there, I carry on as usual."<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Patrick Moore<o:p></o:p></pre>
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<br>
<pre class="moz-signature" cols="72">--
"I get my copy of the daily paper, look at the obituaries page, and if I’m not there, I carry on as usual."
Patrick Moore</pre>
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