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Error -10843 (underFlowError)

We have a customer who is occasionally getting error -10843.  The application is not being very demanding, it is outputting a 200ms burst at 10,000 samples per second  and reads in 8 channels of data at 10k then waits for five seconds before repeating the process; it is not continuously writing output or reading input.  It gets through thousands, sometimes tens of thousands, of these sequences successfully but will then invariably abort with a 10843 error.  This is written using Traditional NI-DAQ in C++ (they may be using old drivers too, they haven't gotten back to me with the version yet).

Everything I've read suggests this is due to a PC being too slow, but they're using a 2.8GHz Pentium IV and we've run it without any such problems on similar systems.  Anyone know what could be causing this?  Virus scanner?  Buggy driver?  Playing Doom 3 while they should be working?  I'm out of ideas.

Don't you love customer problems from halfway around the world that you can't reproduce?

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Hi JSA,

I think you are on the right track with the virus scanner, etc especially if you can't reproduce the problem.  The only other thing I can recommend you have probably already thought about, but that is to have them try it on another computer or swap out their hardware to help narrow down where the problem lies. 

 

Thanks,

Laura

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