[Difx-users] Problem in performing "startdifx" command on Ubuntu 16.04 LTS

[Chris Phillips]

Hi Lupin,

I am not sure what the problem might be (sorry!). But from the look of it,
I suspect this is a local setup problem, not a DIFX problem specifically.
You might want to compile a MPI test program (google for a simple example)
and see if you can get anything running).

Regards
Chris


On Fri, Nov 4, 2016 at 7:03 PM, Lupin Lin <lupin at asiaa.sinica.edu.tw> wrote:

> To whom will concern it,
>
> When I finished the installation of DiFX in a new computer with the OS of
> Ubuntu 16.04, I tried to test for correlation using the command “startdifx”.
> However, I receive the following error messages.
>
> lupin at GLTCU:/data2/lupin/g3-7033$ startdifx -n -f g3_7033.input
> --------------------------------------------------------------------------
> While computing bindings, we found no available cpus on
> the following node:
>
>   Node:  GLTCU
>
> Please check your allocation.
> —————————————————————————————————————
>
> Here’s the contents of g3_7033.machines,
> GLTCU
> GLTCU
> GLTCU
> GLTCU
> GLTCU
>
> And here’s the contents of g3_7033.threads,
> NUMBER OF CORES:    1
> 4
>
> GLTCU has one CPU of 4 cores, and I have checked the /etc/hosts.
> ————————
> 127.0.0.1       localhost
> 127.0.1.1       GLTCU
> 127.0.0.1 localhost.localdomain localhost
> 127.0.1.1 GLTCU.localdomain     GLTCU
> ————————
>
> Therefore, I have no opinion why the computing server cannot find CPUs.
> Did anyone meet the similar problem?
>
> Sincerely,
> --
> Lupin Chun-Che Lin
> Supporting Scientist of GLT (GreenLand Telescope) project
> in Institute of Astronomy and Astrophysics, Academia Sinica,
> 14F of Astronomy-Mathematics Building (Rm: 1405),
> National Taiwan University.
> No.1, Sec. 4, Roosevelt Rd, Taipei 10617, Taiwan.
> Tel: +886-2-2366-5464
> Fax: +886-2-2367-7849
>
>
>
>
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