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FGC adding MinMax Voltage panic!

fitz

I keep getting the 'subject' message during place_opt_design on a simple 28nm design.

Should I really panic?  ... OR  ... Is the placer recognizing a potential IR problem and  automatically correcting the issue?

New one for me ...  innovus v16.13-s045_1 .

Shawn

 

  • Dear Fitz, Kari,

    I have got the same error message of "FGC adding MinMax Voltage panic!" numerous times during placement, CTS and routing.
    I am also using 28nm and Innovus v16.13.
    Do you have more information on this message?
    How critical is it?
    It is neither a warning nor an error message and there is no documentation on that.

    Thank you

  • Charlotte:

    Sorry, I had no response from either STM or Cadence local.

    My specialty is genus >  innovus floorplaning preCTS ,  not gds out ,  so fortunately I was able to ignored the panic!

    You on the other hand have some research to do.

    Start with Kari : ) and then poke STM.

    Shawn

  • Don't Panic! :-)

    from what i can tell, this message was some extra debugging info that should not have been getting printed out to the log. it seems to be fixed in 16.20. So I think you can ignore it.

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