I found a couple of PCRs related to this error. I believe from these that this
was fixed in 18.104.22.1680.3 - so you probably need a later hotfix.
The too many strips is just an artifact of the waveform plotting - it's not
related to the spectre internal error.
On 14 Apr 2004 17:26:34 -0700, Suzy.Jackson@csiro.au (Suzy Jackson) wrote:
>I'm not very experienced with cadence, but have been designing RF-CMOS
>circuitry with it for the last few months.
>I've successfully simulated and optimised a number of designs;
>primarily simple LNA circuits.
>I'm currently trying to optimise an LNA design based on a recent paper
>by Bruccoleri et. al, and keep running into problems.
>The circuit simulates fine using analog artist, but when I try to run
>the optimizer on it, it runs through iteration 0 okay, then during
>iteration 1 cds.log reports:
> *WARNING* gpwipx: Too many stripts for window (nA=8 nD=0)
> *Error* Y-direction window size is too small
> (repeated eight times)
>the spectre.out window reports:
> Internal error found in spectre. Please run 'getSpectreFiles'
> Error detected in file 'ipsm.c' at line 212
> Assertion failed.
>My circuit is simply a pair of nmos fets (from the IBM 0.18u library),
>two resistors, a capacitor, a couple of sources, and a couple of
>ports. Does anyone have any idea what's happening?
Senior Technical Leader
Custom IC Solutions
Cadence Design Systems Ltd