determining processor

[Michael Havens]

hmmmmmm..... interesting!

On Thu, Dec 1, 2011 at 1:44 PM, Kevin Fries <kevin at fries-biro.com> wrote:

> Just because you are running a 64bit machine, that does not mean you are
> running a 32bit OS.  The version of Ubuntu you installed was probably 32
> bit.  You can install a 32 bit OS on a 64 bit machine, just not the
> reverse.
>
> HTH
> Kevin
>
> On Thu, 2011-12-01 at 13:28 -0700, Michael Havens wrote:
> > Thanks Kevin. I see in my cpuinfo flags that I support long mode too.
> > But why, when I tried to install that in the kernel, did it complain
> > until I put in the 32 bit version?
> >
> > On Thu, Dec 1, 2011 at 12:52 PM, Kevin Fries <kevin at fries-biro.com>
> > wrote:
> >         Michael,
> >
> >         Linux is nothing if not a chatty beast ;-)
> >
> >         To find out everything you every wanted to know about your
> >         CPU, you can
> >         look at /proc/cpuinfo.
> >
> >         My system I am on right now is a System76 Lemur, and it runs a
> >         I3
> >         mobile.  If I look in that file, I will see:
> >
> >         vendor_id       : GenuineIntel
> >         model name      : Intel(R) Core(TM) i3 CPU       U 330  @
> >         1.20GHz
> >         cpu MHz         : 1199.000
> >
> >         among other things.  But the real keys to the kingdom is a
> >         field called
> >         FLAGS.
> >
> >         flags           : fpu vme de pse tsc msr pae mce cx8 apic sep
> >         mtrr pge mca cmov
> >         pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
> >         syscall nx
> >         rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl
> >         xtopology
> >         nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2
> >         ssse3 cx16
> >         xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm arat dts tpr_shadow
> >         vnmi
> >         flexpriority ept vpid
> >
> >         You Google those flags and you will find out EXACTLY what your
> >         CPU does
> >         and does not support.  So, to answer your question
> >         specifically, I look
> >         in the flags and see a flag "lm", which stands for "long mode"
> >         which is
> >         uber-geek speak for 64bit mode.
> >
> >         And sure enough, my system is running Ubuntu 11.10 in 64 bit
> >         mode.
> >
> >         Hope this Helps
> >         Kevin
> >
> >
> >
> >         On Thu, 2011-12-01 at 12:38 -0700, Michael Havens wrote:
> >         > 1- I D/L a distribution
> >         > 2- because I have no RW DVDs I burn the CD version
> >         > 3- I install the CD version
> >         > 4- After running the the install there is an ICON that says
> >         'upgrade
> >         > to the DVD' so I upgrade
> >         > 5- my system starts to panic when running off of the battery
> >         so it is
> >         > wisely suggested to upgrade  my kernel.  So I am doing so it
> >         asks me
> >         > what kernel I am running. It had been said on the list that
> >         my kernel
> >         > is the 64 bit kind but when I tried to upgrade to the 64bit
> >         kernel the
> >         > computer complained and said 'wrong architecture'.
> >         > 6- I installed the kernel for the i386 and have been happily
> >         running
> >         > it now for a couple of days
> >         >
> >         > Questions:
> >         > Was I supposed to do something to make it see that it is a
> >         64?
> >         > Would it run if an i386 was installed on a 64?
> >         > Does it really matter?
> >         > --
> >         > :-)~MIKE~(-:
> >
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> >
> > --
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-- 
:-)~MIKE~(-:
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