<#1080 Inexplicable DRCs from Magic> New issue cre...
# openlane-development
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#1080 Inexplicable DRCs from Magic New issue created by maliberty Description Magic produces DRCs that seem false. It reports violations like:
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Metal2 overlap of via2 < 0.045um in one direction (via2.4a - via2.4)
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 9.735um 46.335um 9.750um 46.380um
where the via looks legal:

image

(the small black square in the upper left is a violation marker). This is viewing the inverter.magic.gds in klayout. Environment This is generated by my fork in #1059 *python3 ./env.py issue-survey Kernel: Linux v3.10.0-1160.45.1.el7.x86_64 Distribution: centos 7 Python: v3.6.8 (OK) Container Engine: docker v20.10.14 (OK) OpenLane Git Version: pdn-update-dev pip: INSTALLED pipvenv INSTALLED* PDK Version Verification Status: OK Git Log (Last 3 Commits) 840b5d9 2022-05-04T151327-07:00 check FP_PDN_MACRO_HOOKS is set - Matt Liberty - (HEAD -> pdn-update, origin/pdn-update) df89226 2022-05-04T133852-07:00 Update pdn scripts for new pdngen in OR - Matt Liberty - () 758fceb 2022-05-04T133758-07:00 Modifed caravel_upw to have to instances connected to different supplies - Matt Liberty - () Reproduction Material Attached bug.zip This is just a run of my run area as I don't see a packager for magic issues. The gds is included. Expected behavior An understandable DRC report. The-OpenROAD-Project/OpenLane