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SMP client WU hung

post #1 of 7
Thread Starter 
Well I started folding again after taking a break for a while and after about 26% of the way through my first new WU the client hung and I get this message: "Warning: long 1-4 interactions". What does it mean and how do I prevent this from happening again?
Edited by Iceman0803 - 6/20/08 at 11:07am
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post #2 of 7
Add some vcore
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by grunion View Post
Add some vcore
So my oc isn't quite stable then?
Black Ice
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Black Ice
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post #4 of 7
Quote:
Originally Posted by Iceman0803 View Post
So my oc isn't quite stable then?
That be my guess
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post #5 of 7
"long" is generally a CPU clue, esp. with the x64 systems with virtualization, no?
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post #6 of 7
Thread Starter 
Here is some info I found at foldingforum.org:

Quote:
You may or may not be interested in the science side of this issue.

During the folding process, the atoms move in a lot of random motion (due to thermal energy) plus a certain amount of systematic folding motions. It the atoms get TOO close to each other, the standard equations of motion no longer apply. (Think of it as a collision rather than just "normal" interactions, but that's not entirely true).

Were the atoms "too close" to each other because of a computational error or was it because that's what was supposed to happen? Were the atoms just close enough to issue the message but the equations figured out where they were supposed to go anyway, or did they get so close that the subsequent motion was clearly wrong?

As you might expect, there's no way to identify WUs in which the correct calculations lead to this condition until you run the simulation, so some WUs are called "bad WUs" Others work their way past that point without help. Perhaps a future version of the core can include code to deal with these situations, but right now we just have to live with a small percentage of WUs that have this condition.
The source thread is HERE
Black Ice
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Black Ice
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post #7 of 7
I have got a few of those errors myself. My rigs where rock solid folders for months running Win SMP. Then I switched them over to the Diskless setup, and thats when I started getting those errors. The article posted would make sense then.
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