[SI-LIST] Re: XTK error

Sivakumar,

it is not a license problem, but something with your database. Did isf2xtk
and xfx run without any errors (especially isf2xtk, check the qif2xtk.log
file for the 'ERROR' statement)? Some hints:

1) simulate the design without crosstalk or simulation models. Start with
tmp. Use only a default bi-directional model (which has no errors > simple
model) to simulate the design. Use the INCLUDE_PIN_TYPE in the gcf file to
include the model in your search criteria. If you want you can run xns in a
'syntax check only' mode. Options > default > syntax check only in xns.

2) add your simulation models and re-run the design, again without crosstalk

3) simulate with crosstalk and all simulation models.

4) you are using the Nt version. There is also a ported Unix version,
running on a korn shell. Try to analyse the design with that version. Most
likely you will get a bunch of errors, but it will not crash like the Nt
version. Check the log file to find the net which gives you problems.

5) Perform a clean-up of your Pcb database. Sometimes the dbase contains
small pieces of redundant traces. Not a problem for manufacturing, but most
toolings can't deal with that.

6) run isf2xtk with the -o (off grid) option. But I have never seen that
causing a backend process died...

Wilco Hamhuis
HSSD consultant engineer


-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Sivakumar S. - CTD,
Chennai.
Sent: Wednesday, March 27, 2002 9:08 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] XTK error



Hi Gurus,
         I am doing SI simulation using XTK. When i run/start the analysis
it gives the following error.

        "Back end process death
                        The backend process died, further operations no
longer possible"

After building design data base, whenever i start the batch analysis or
current list analysis, i am getting this error. It was running properly till
yesterday night.Suddenly this problem came and i couldn't run the tool.
        I want to know whether this is  due to any model related issue or
the license error.

Could anybody suggest me any idea to solve this issue?

thanks and regards,
Sivakumar.S
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