Hagiwara Kesami
03/20/2022, 5:27 PM[WARNING PSM-0038] Unconnected PDN node on net vccd2 at location (388.800um, 1746.550um), layer: 5.
[WARNING PSM-0038] Unconnected PDN node on net vccd2 at location (205.200um, 1746.550um), layer: 5.
[WARNING PSM-0038] Unconnected PDN node on net vccd2 at location (210.600um, 1746.550um), layer: 5.
[ERROR]: PDN generation failed.
[ERROR]: You may need to adjust your macro placements or PDN offsets/pitches to power all standard cell rails (or other PDN stripes) in your design.
Arman Avetisyan
03/20/2022, 5:30 PMMatt Venn
03/20/2022, 5:34 PMHagiwara Kesami
03/20/2022, 5:39 PMMatt Venn
03/20/2022, 7:03 PMRuediger Ehlers
03/21/2022, 9:00 AMHagiwara Kesami
03/21/2022, 2:18 PMset ::env(FP_PDN_HPITCH) 100
set ::env(FP_PDN_VPITCH) 100
then, PDN generation was successful.
But now, I have following error...
[INFO GRT-0004] Blockages: 3407
[INFO GRT-0053] Routing resources analysis:
Routing Original Derated Resource
Layer Direction Resources Resources Reduction (%)
---------------------------------------------------------------
li1 Vertical 0 0 0.00%
met1 Horizontal 4314600 1327450 69.23%
met2 Vertical 3235950 948898 70.68%
met3 Horizontal 2157300 665518 69.15%
met4 Vertical 1510110 308536 79.57%
---------------------------------------------------------------
[INFO GRT-0101] Running extra iterations to remove overflow.
[INFO GRT-0197] Via related to pin nodes: 4414
[INFO GRT-0198] Via related Steiner nodes: 228
[INFO GRT-0199] Via filling finished.
[INFO GRT-0111] Final number of vias: 8169
[INFO GRT-0112] Final usage 3D: 263348
[ERROR GRT-0118] Routing congestion too high.
Error: groute.tcl, 69 GRT-0118
[ERROR]: during executing openroad script /openlane/scripts/openroad/groute.tcl
[ERROR]: Exit code: 1
[ERROR]: Last 10 lines:
child process exited abnormally
Matt Venn
03/21/2022, 2:19 PMHagiwara Kesami
03/21/2022, 3:16 PMMatt Venn
03/21/2022, 4:06 PMHagiwara Kesami
03/21/2022, 11:20 PM./runs/user_project_wrapper/results/placement/user_project_wrapper.def
./runs/user_project_wrapper/tmp/placement/10-global.def
./runs/user_project_wrapper/tmp/floorplan/4-io.macro_placement.def
./runs/user_project_wrapper/tmp/floorplan/4-io.def
./runs/user_project_wrapper/tmp/floorplan/3-initial_fp.def
./runs/user_project_wrapper/tmp/floorplan/8-pdn.def
./runs/user_project_wrapper/tmp/floorplan/6-pdn.def
./runs/user_project_wrapper/tmp/floorplan/9-pdn.def
./runs/user_project_wrapper/tmp/floorplan/7-pdn.def
./runs/user_project_wrapper/openroad_issue_reproducible/in.def
./runs/user_project_wrapper/tmp/merged.lef
./runs/user_project_wrapper/tmp/merged_unpadded.lef
./runs/user_project_wrapper/openroad_issue_reproducible/tmp/merged_unpadded.lef