I had been running the climate model successfully for about two months until my iMac G5 froze about a week and a half ago. I couldn't get it to reboot and finally cut the power. After that, I had a lot of trouble with slowness and freezes that seemed to happen for no reason. I'm running OS 10.3.6 and 512 MB of RAM. I noticed that I could not get the climate model to run even when there were no other applications open. When I opened Terminal and started BOINC I got:

Last login: Sun Jan 9 20:06:49 on console
Welcome to Darwin!
Frances-Stewarts-Computer:~ francesstewart$ cd climate
Frances-Stewarts-Computer:~/climate francesstewart$ ./boinc_4.09
2005-01-09 20:07:36 [---] Starting BOINC client version 4.09 for powerpc-apple-darwin
2005-01-09 20:07:36 [climateprediction.net] Project prefs: using your defaults
2005-01-09 20:07:36 [climateprediction.net] Host ID is 53972
2005-01-09 20:07:36 [---] General prefs: from climateprediction.net (last modified 1969-12-31 19:00:00)
2005-01-09 20:07:36 [---] General prefs: using your defaults
2005-01-09 20:07:36 [climateprediction.net] Resuming computation for result 2m0b_100143067_3 using hadsm3 version 4.03
Starting model in /Users/francesstewart/Climate/projects/climateprediction.net...
Created shared memory region key = 25045
Env Used=DYLD_LIBRARY_PATH=/Users/francesstewart/Climate/projects/climateprediction.net:../
Starting model ID 2m0b_100143067 Phase 2
Stack size=48.00 MB
Waiting for model startup, this may take a minute...
2m0b_100143067 - PH 2 TS 086833 - 00/00/0000 00:00 - H:M:S=0282:00:34 AVG= 2.93 DLT= 0.00

I would wait for several hours but nothing would happen. I tried shutting down several times. I used Disk Utility to repair permissions. I zapped the PRAM. I ran Norton Disk Doctor from the Norton Utilities CD. It found a number of problems that I corrected. That seems to have helped the other problems but I still can't get the climate model to run. Should I download BOINC and/or the model again? I was well into Phase 2 so I hate to throw that away unless I really need to. I'd appreciate any advice you have.

Frances

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If you do anything that causes a model download, you will get a new set of parameters I.E. WU.
So downloads, resets, etc are a last resort if you want to continue with your current model.
Try other ideas first. And BACKUP the ENTIRE BOINC set of folders first! E.G. right NOW!

I'm not a Mac person, so the following thoughts are a bit general.
On a Windows system, slowdowns and freezes often mean a virus. As well as a virus checker, (Avg),
I use an Advert checker, (AdAware), and an anti-spy program,(SpyBot). When I had some strange behavour,
forgotten what, (but before I installed AVG), I read about a program called HiJack This!,
so I installed it and found 5 trojans maskerading as programs of a similar name.
With them deleted, life got back to normal. Whatever that is these days!
Perhaps you can read about these to see what they do, and then look for a Mac equivalent.

WARNING: HiJack This! can be dangerous! It lists ALL programs it thinks may be a problem.
It is up to the user to check if one is a problem, or a trusted program.
(I think it listed BOINC as possibly suspect!)

Les