openRoad GUI not showing any timing paths

[sashvatsai]

Problem:
I have been able to run through the openRoad flow scripts on my local linux machine. I ran the gcd design on the ASAP7 PDK. When I try to report_tns and report_wns...I dont find any timing paths.

What I tried:

1. I reviewed the sdc and found that clocks are defined correctly on the "clk" input pin.
2. I reloaded all the libs/lefs when I opened the gui, to ensure that the libs are present.
3. I reviewed the warnings/errors in the log files. Didn't find anything amiss with regards to timing.

I have attached the following image.

Would you be able to help understand how I can fix this?

[maliberty]

I would start with check_setup to see if it reports any issues

[sashvatsai]

yes. check_setup shows that the design is unconstrained:

check_setup
0
Warning: There are 35 unclocked register/latch pins.
Warning: There are 53 unconstrained endpoints.

Although I have read in sdc file with no errors. why would check_setup still show unconstrained sequential?

[maliberty]

Its hard to say without seeing your design. You have something wrong with your clock tree? You have more than one clock and not all are configured?

Can you share a test case?

[sashvatsai]

sure. Do you know of a method to send the testcase to you? can I upload odb files somewhere for you to see?

[maliberty]

If they are not too large you can zip and upload them here. If they are big you can put it in google drive and share a link here. To package it is best to run make final_report_issue which will package everything into a single tar file.

[sashvatsai]

final_report_gcd_nangate45_base_2026-02-05_15-35.tar.gz

[sashvatsai]

I have run final_issue_report in the tar file above.