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computation error - cannot open input file dataout/atmos_restart.day

computation error - cannot open input file dataout/atmos_restart.day

Questions and Answers : Unix/Linux : computation error - cannot open input file dataout/atmos_restart.day
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John Reeves

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Message 24956 - Posted: 1 Nov 2006, 8:34:13 UTC

I just built a new system,
asus p5w dh deluxe
e6400, 1G ram, GeForce 6200 LE
slackware 11.0, kernel 2.4.33.3

getting computation errors, WU runs for 10 or 20 minutes and aborts.
Have tried 4 WUs and all get the same error.
see results:
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=6026879
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=6100402
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=6039321
http://climateapps2.oucs.ox.ac.uk/cpdnboinc/result.php?resultid=6064933

What is going wrong?

Thanks
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Profile astroWX
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Message 24961 - Posted: 1 Nov 2006, 19:21:04 UTC

Slackware has given issues in the past with this Model. If you give the Board\'s search engine \'slackware\' you can see the discussions.
"We have met the enemy and he is us." -- Pogo
Greetings from coastal Washington state, the scenic US Pacific Northwest.
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Arnaud

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Message 24962 - Posted: 1 Nov 2006, 19:21:26 UTC
Last modified: 1 Nov 2006, 19:21:49 UTC

Hi,
Perhaps, it\'s caused by a problem of permissions (can\'t open the file to write in it). So you could try to check that Boinc is not installed as root user and chmod -Rf 0755 the BOINC folder.
Arnaud
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Helmer Bryd

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Message 24972 - Posted: 2 Nov 2006, 3:02:58 UTC

Does it work well with other (heavy) things?
It could be a memory problem since CPDN is very memory intensive.
First thing I would do is to up the voltage a bit on the memory sticks.
Test it with Memtest86+
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John Reeves

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Message 24973 - Posted: 2 Nov 2006, 7:07:27 UTC

To cwhyl,
I have tried several other BOINC projects with no problems. I think I will hold off raising the memory voltage.

To [AF>Est>Linux]Arnaud,
My BOINC directory is not owned by \'root\', so I don\'t think there is a permission issue.

Thanks for both suggestions
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John Reeves

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Message 24974 - Posted: 2 Nov 2006, 7:22:44 UTC

To astroWX,
Thanks, I found a thread that relates to this. Are there any plans to update the client to the newer glibc library?
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Message 24978 - Posted: 2 Nov 2006, 17:57:09 UTC

John,

I have no knowledge about that, but tend to doubt it. Carl tries to maximize backward compatibility to catch as many participants as possible.

I used to run SuSE Linux on most of my machines (and it\'s still on the boxes) and there were library issues from time to time in Alpha & Beta tests; I think that\'s why Carl uses the libraries he does.

Sorry I can\'t give you better news.

"We have met the enemy and he is us." -- Pogo
Greetings from coastal Washington state, the scenic US Pacific Northwest.
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Helmer Bryd

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Message 24983 - Posted: 3 Nov 2006, 17:41:12 UTC

This is a bit sad, I was thinking of moving to Slackware, a bit tired of Fedora.
Well they have a 2.6.x kernel in /extra, could you try that?
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Profile Sancio

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Message 25872 - Posted: 7 Jan 2007, 17:57:06 UTC - in response to Message 24974.  
Last modified: 7 Jan 2007, 18:04:02 UTC

Hi,
I have the same problem of John Reeves.

I have tried on 2 Slackware:

Slackware 10.0 (default kernel)

Slackware 10.1 (compiled kernel)

To astroWX,
Thanks, I found a thread that relates to this. Are there any plans to update the client to the newer glibc library?


News?
Where can I download source?
What do I need to compile it?
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Message 25873 - Posted: 7 Jan 2007, 19:50:22 UTC
Last modified: 7 Jan 2007, 19:53:26 UTC

What source? BOINC? From the BOINC site at UC-Berkeley.

For CPDN? Forget it, it\'s proprietary, licensed from UK Met. Office by Uni. Oxford; we, as participants, have no option to compile the million line Fortran Model.

"We have met the enemy and he is us." -- Pogo
Greetings from coastal Washington state, the scenic US Pacific Northwest.
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Message 25877 - Posted: 7 Jan 2007, 23:12:49 UTC - in response to Message 25873.  

What source? BOINC? From the BOINC site at UC-Berkeley.

For CPDN? Forget it, it\'s proprietary, licensed from UK Met. Office by Uni. Oxford; we, as participants, have no option to compile the million line Fortran Model.


Calm,
I have joined to CPDN 3 days ago and I was not a lot informed.
I wanted to only try to make to go CPDN on Slack...
I\'ll leave the project and will perhaps resume it when and if the problem will be resolved from who can.
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Arnaud

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Message 25882 - Posted: 8 Jan 2007, 7:37:26 UTC
Last modified: 8 Jan 2007, 7:41:39 UTC

Hi,
The source of Boinc are on the berkeley site: http://boinc.berkeley.edu/compile_client.php (but not very easy to compile if you want the GUI)
There is no source available for the climate model.
The problem with Slackware is not fixed, so it\'s better to change of Linux distro if possible.
Arnaud
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Message 25890 - Posted: 8 Jan 2007, 20:12:48 UTC - in response to Message 25882.  

Hi,
The source of Boinc are on the berkeley site: http://boinc.berkeley.edu/compile_client.php (but not very easy to compile if you want the GUI)


I know it, I have already compiled it.


There is no source available for the climate model.


:-(
From a fast reading of the FAQ before join to the project,
me it seemed that nearly all were available...boh


The problem with Slackware is not fixed, so it\'s better to change of Linux distro if possible.


:-(
Usually I use Linux Slackware (principally without X11) and OSX.

Best regards and Thanks for the clear answer.
Gianluca.
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Message 25891 - Posted: 8 Jan 2007, 20:49:44 UTC - in response to Message 25873.  

What source? BOINC? From the BOINC site at UC-Berkeley.

For CPDN? Forget it, it\'s proprietary, licensed from UK Met. Office by Uni. Oxford; we, as participants, have no option to compile the million line Fortran Model.


I\'m sorry for the misunderstanding,
before joining to the project I have read:
http://www.climateprediction.net/info/part_faq.php#q2.8

My English is bad, but I had understood that everybody want to access to CPDN sources to port it to a new platform (OSX Intel for example), to debug or simply to recompile it and be sure that the model is doing what they claim it is doing may access to it at some condition, but free of charge.
However it would remain the problem that probably could not diffuse its improvements and perhaps even the binary for the new platform...
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Message 25900 - Posted: 8 Jan 2007, 23:43:14 UTC

No problem, Gianluca.

This Model is a bear to compile for PCs. It was developed by scientists at the Met Office over two decades and is meant to run on a Cray Supercomputer.

The team at Oxford has a difficult time making a stable PC or MAC version and verifying that proper (valid) results are produced. (If everyone could compile their own version, there would be no way for the scientists at Oxford to know whether the results were valid or not.)

Then, when the Team thinks they have a stable, valid, Model, some of us are sent the compiled version for Alpha, then Beta, tests. After tweaks (fixes) along the way, sometimes several tweaks to \"get it right\", the Staff releases the Models to the world. It\'s a difficult process.

Hope that helps.

"We have met the enemy and he is us." -- Pogo
Greetings from coastal Washington state, the scenic US Pacific Northwest.
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