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A comment on AMD Ryzen 3 1300X and Ryzen 3 1200 CPU Review. Parent comment

Re:AMD Ryzen 3 1300X and Ryzen 3 1200 CPU Review by the_mitsuhiko on Thursday July 27, 2017 @03:40PM (#14868689)
It would be nice if someone actually managed to pin this down. It appears to primarily affect people that compile with haswell optimizations.

The bug was first reported in april yet to the date no narrowing down from either AMD or community.

This is the best hint we have so far: http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b48d...

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Re:AMD Ryzen 3 1300X and Ryzen 3 1200 CPU Review by shmerl on Thursday July 27, 2017 @03:50PM (#14868788)
I happens to me very consistently when I compile with -march=znver1.
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