I have encountered the exact segmentation faults on startup as described in https://github.com/KLayout/klayout/issues/1619. Per the author, klayout should be upgraded to 0.28.16 to resolve the issue. Reproducible: Always System info: Intel core i7 12th gen processor Using python3_12
Created attachment 895838 [details] klayout-0.29.2.ebuild Upgraded to klayout 0.29.2 and the problem goes away. Attached my ebuild.