I thought that WUs using cuda31 were no longer being added to the work queues? A PC of mine that has been running cuda42 WUs for some time now processed a cuda31 WU this weekend. If this was a new WU recently added to the queue, it seems like cuda31 would be an inefficient use of computing time.

Is there a legitimate reason that cuda31 is still being used?

Here is a link to the WU.

Thanks.
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The most of the 2xx eqipped machines still need cuda31 ;) it still can happen that a newer machine get a cuda31 but i mostly get 42 on 5xx . The selection is much better then at the beginning of cuda42 app i find. so i would take it not that serious for one single wu :)
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DSKAG Austria Research Team: http://www.research.dskag.at

Thanks. I'm running a 5xx on the machine that got that one; although, most of the WUs I get on that machine are 42s.
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i'm still getting them occasionally. applied the workaround to crunch it with the cuda42 binary and all is good. still would rather not have to babysit though.
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XtremeSystems.org - #1 Team in GPUGrid