[Barrelfish-users] Question about Lenovo laptops testing

Timothy Roscoe troscoe at inf.ethz.ch
Tue Nov 10 18:02:02 MET 2009

Dear Peng, 

Yes, indeed, Lenovo X200 and X301 laptops have Core 2 Duo processors
which support 64-bit operation.   From Linux you can determine this
using /proc/cpuinfo (look for 'lm', for 'long mode').  

Booting a Barrelfish image on such machines is exactly the same as on
a regular desktop.  

 -- Mothy

At Wed, 11 Nov 2009 00:19:10 +0800, 赵鹏 <zhaopeng07 at gmail.com> wrote:
> Hi,
> I have downloaded Barrelfish source code, and noticed a detail in
> the README file, saying:
> The biggest compatibility problems are likely to be in the PCI/ACPI
> code. We...on each new machine we test. The following systems are known to
> work:
>     * Intel x5000XVN
>     * ...
>     * Lenovo X200 and X301 laptops
> I wondered can the last item "Lenovo laptops" be used as your testing
> platforms? Aren't they just 32-bit machines for desktop use? Have the
> X200 and X301 got 64-bit architecture supporting? If not, how to run
> your 64-bit code on them?
> My problem is I have only such laptops rather than high-perfomance
> machines, I am eagerly to know whether I can take the laptops as proper
> experimental platforms and how to make it if so?
> Thanks in advance.
> Best regards,
> Peng
> --

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