asap7 cva6 fails in PSM with demo constraint file

[jeffng-or]

Subject

[Stage]: GDS generation.

Describe the bug

When running asap7 cva6 with the demo SDC file, PSM fails with connectivity errors:

[INFO RCX-0045] Extract 123282 nets, 1153648 rsegs, 1153648 caps, 1876854 ccs
[INFO RCX-0042] 100000 nets finished
[INFO RCX-0443] 123282 nets finished
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 10.521um) - (18.198um, 10.539um), layer: M1.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 11.061um) - (18.198um, 11.079um), layer: M1.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 11.601um) - (18.198um, 11.619um), layer: M1.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 12.141um) - (18.198um, 12.159um), layer: M1.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 10.521um) - (18.198um, 10.539um), layer: M2.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 11.061um) - (18.198um, 11.079um), layer: M2.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 11.601um) - (18.198um, 11.619um), layer: M2.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.226um, 12.141um) - (18.198um, 12.159um), layer: M2.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.583um, 10.513um) - (17.673um, 10.547um), layer: M3.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.583um, 11.053um) - (17.673um, 11.087um), layer: M3.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.583um, 11.593um) - (17.673um, 11.627um), layer: M3.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.583um, 12.133um) - (17.673um, 12.167um), layer: M3.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.576um, 10.518um) - (17.680um, 10.542um), layer: M4.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.576um, 11.058um) - (17.680um, 11.082um), layer: M4.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.576um, 11.598um) - (17.680um, 11.622um), layer: M4.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.576um, 12.138um) - (17.680um, 12.162um), layer: M4.
[WARNING PSM-0038] Unconnected shape on net VDD at (17.568um, 10.507um) - (17.688um, 12.173um), layer: M5.
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_30_2_Left_37/VDD at location (17.280um, 10.530um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_31_2_Left_38/VDD at location (17.280um, 10.530um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_32_2_Left_39/VDD at location (17.280um, 11.070um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_33_2_Left_40/VDD at location (17.280um, 11.070um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_34_2_Left_41/VDD at location (17.280um, 11.610um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_35_2_Left_42/VDD at location (17.280um, 11.610um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_36_2_Left_43/VDD at location (17.280um, 12.150um).
[WARNING PSM-0039] Unconnected instance FILLER_30_283/VDD at location (17.712um, 10.530um).
[WARNING PSM-0039] Unconnected instance FILLER_31_283/VDD at location (17.712um, 10.530um).
[WARNING PSM-0039] Unconnected instance FILLER_32_283/VDD at location (17.712um, 11.070um).
[WARNING PSM-0039] Unconnected instance FILLER_33_283/VDD at location (17.712um, 11.070um).
[WARNING PSM-0039] Unconnected instance FILLER_34_283/VDD at location (17.712um, 11.610um).
[WARNING PSM-0039] Unconnected instance FILLER_35_283/VDD at location (17.712um, 11.610um).
[WARNING PSM-0039] Unconnected instance FILLER_36_283/VDD at location (17.712um, 12.150um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_30_2_Right_30/VDD at location (18.144um, 10.530um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_31_2_Right_31/VDD at location (18.144um, 10.530um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_32_2_Right_32/VDD at location (18.144um, 11.070um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_33_2_Right_33/VDD at location (18.144um, 11.070um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_34_2_Right_34/VDD at location (18.144um, 11.610um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_35_2_Right_35/VDD at location (18.144um, 11.610um).
[WARNING PSM-0039] Unconnected instance PHY_EDGE_ROW_36_2_Right_36/VDD at location (18.144um, 12.150um).
[ERROR PSM-0069] Check connectivity failed on VDD.
Error: final_report.tcl, 7 PSM-0069
Elapsed time: 1:08.01[h:]min:sec. CPU time: user 66.15 sys 1.83 (99%). Peak memory: 2023684KB.

Expected Behavior

no failure

Environment

orfs git commit tag: aabf2a397059704f68ddafe7e2c8bd1a0e7c65f5

To Reproduce

mkissue tarball: https://drive.google.com/file/d/1_6PEnh26SqOJ2nS1gCt20FO9-nIsSlxc/view?usp=drive_link

Relevant log output

Screenshots

No response

Additional Context

No response

[gadfort]

Whats the plan with this island of rows:

I think PDN disallows using the pin layer for channel repairs (we can allow it, but it might complicate things if the straps / pins are not expected by a user implementing the block above it.)

[gadfort]

There are two of these:

I assume macro placement changed to cause these.

[jeffng-or]

Adding @AcKoucher . The interesting thing is that when I run with an SDC without the input/output delays, we don't seem to have an issue.