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dncmrc1's avatar
dncmrc1
Icon for New Contributor rankNew Contributor
7 months ago

Quartus Prime Pro 25.1 fatal error during fitter: Windows "Efficiency mode" required

Quartus 25.1 usually crashes during fitter, with a number of different crash reports. Here below are two examples: Problem Details Error: *** Fatal Error: Access Violation at 000000BC2DC1E830 Mod...
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dncmrc1's avatar
dncmrc1
Icon for New Contributor rankNew Contributor
2 days ago

I tried all the suggested actions and it didn't help. The only thing which helped (on to top of using Efficiency Mode) was to disable Hyperthreading. That reduced the issue pretty much but did not remove it completely.

KennyT_altera's avatar
KennyT_altera
Icon for Super Contributor rankSuper Contributor
2 days ago

can you attached your design.qar here for the duplication of issue? If you need to privately send us the design, let us know.