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Instant crash, LabVIEW 2019 SP1 f3 32-bit, related to waveform chart manipulation

Anyone else experienced a recent problem with a LabVIEW crash seemingly related to waveform chart manipulation?  I have a fairly complex project underway which has been perfectly stable until I recently added a couple of waveform charts - pretty run-of-the-mill stuff, though I did extend the history length on each of them to 32K points.

 

Both the development environment, and the executable, will insta-crash with some runtime chart manipulation (I haven't pinned it to a a specific action, yet), and I've also experienced the crash when I *wasn't* touching the UI, and the charts weren't even visible (they live on a tab page which wasn't selected).

 

One has two traces (cluster of two doubles); the other has three (cluster of three doubles).  In the three-trace chart, I flip a value between two traces where the alternate trace is fed NaN - the old trick to give the appearance of a color-changing trace.

 

Wasn't expecting this relatively recent version of LV to have chart rendering problems.  Maybe graphics hardware related?  The target is a PXI-8861,  Win 10 x64, and the graphics adapter is AMD Radeon E6465, driver version 15.201.0.0.  I believe but haven't confirmed that this is the stock OS and hardware driver installation.

 

Thanks for any responses,

Dave

David Boyd
Sr. Test Engineer
Abbott Labs
(lapsed) Certified LabVIEW Developer
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