Cadence Extract fails

V

vandy1981

Guest
Hello,
I am just beginning to learn Virtuoso.
After DRC on layout, when I try to extract, I get several warnings for
nmos4, pmos4, pcapacitor , res etc
dbOpenCellViewByType Failed to open CellView from lib in NCSU_Analog_Parts
in 'r' mode because it does not exist.
However the the files are present in the path.
Hope someone can help.
Thanks
 
On Tue, 02 Aug 2005 15:26:29 -0400, "vandy1981"
<desai.vandana@gmail.com> wrote:

Hello,
I am just beginning to learn Virtuoso.
After DRC on layout, when I try to extract, I get several warnings for
nmos4, pmos4, pcapacitor , res etc
dbOpenCellViewByType Failed to open CellView from lib in NCSU_Analog_Parts
in 'r' mode because it does not exist.
However the the files are present in the path.
Hope someone can help.
Thanks
Click to expand...
If Extract were not finding the cellview, you would get a message that
looks like this: Can't open model "libname cellname viewname". This
would occur at the start of the Diva run. The normal time to see an
error of the form you show is when opening the extracted view after Diva
Extract has completed. The normal cause is the library referenced is not
in your cds.lib file, or the library content has been lost.

It would help if you were to include an excerpt from the log file with
enough context around the errors to show where in the process you are.
 
Hello,

Thanks so much for replying so soon.
Actually I am following an online cadence tutorial..trying the layout of
an inverter using pcells. I have the NCSU kit installed.

The extraction stops with warnings shown below:
The warnings repeat several times for nmos4, pmos4, res, pcapacitor etc.
The extracted view is empty.

Running layout Extraction analysis
flat mode
*WARNING* dbOpenCellViewByType: Failed to open cellView (nmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
Can't open model "NCSU_Analog_Parts nmos4 ivpcell".
*WARNING* dbOpenCellViewByType: Failed to open cellView (pmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
 
Hello,

Thanks so much for replying so soon.
Actually I am following an online cadence tutorial..trying the layout of
an inverter using pcells. I have the NCSU kit installed.

The extraction stops with warnings shown below:
The warnings repeat several times for nmos4, pmos4, res, pcapacitor etc.
The extracted view is empty.

Running layout Extraction analysis
flat mode
*WARNING* dbOpenCellViewByType: Failed to open cellView (nmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
Can't open model "NCSU_Analog_Parts nmos4 ivpcell".
*WARNING* dbOpenCellViewByType: Failed to open cellView (pmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
 
Make sure that the "ivpcell" view exists in the library, and you can
actually open it. Sometimes I see libraries in the manager, but they
are not full recognized until a full refresh. "ivpcell" is kind of a
special view that can be used for extract to make the graphics larger
in the extracted view. This view is specified directly in the extract
deck code.

-Brad
 
On Wed, 03 Aug 2005 09:35:21 -0400, "vandy1981"
<desai.vandana@gmail.com> wrote:

Hello,

Thanks so much for replying so soon.
Actually I am following an online cadence tutorial..trying the layout of
an inverter using pcells. I have the NCSU kit installed.

The extraction stops with warnings shown below:
The warnings repeat several times for nmos4, pmos4, res, pcapacitor etc.
The extracted view is empty.

Running layout Extraction analysis
flat mode
*WARNING* dbOpenCellViewByType: Failed to open cellView (nmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
Can't open model "NCSU_Analog_Parts nmos4 ivpcell".
*WARNING* dbOpenCellViewByType: Failed to open cellView (pmos4 ivpcell)
from lib (NCSU_Analog_Parts) in 'r' mode because cellview does not
exist.
Click to expand...
This is the sanity check Diva does between compiling the rules and
executing them. It is saying the cellview does not exist. As another
poster said, you need to check that the ivpcell view exists. Both that
the library, cell and view exist as directories, but also that the
cds.lib file includes a statement identifying the location of the
library. Using the library browser tool in the CIW to verify the
cellview exists will cover all your bases.

The ivpcell view is normally generated from the symbol view using the
ivCreatePCells SKILL procedure. The content of the symbol view is copied
to the ivpcell view, optionally scaled since symbols are usually drawn
at 160 DBUPerUU and layout at 1000 DBUPerUU, and support for displaying
the recognition shape is added. This is something that should have been
done before the library was released.
 
Did you look at the library in artist or UNIX.

Many problems are caused by UNIX permissions ...

"vandy1981" <desai.vandana@gmail.com> wrote in message
news:fd71e966812b5e7783d97c21846fe6dd@localhost.talkaboutcad.com...
Hello,
I am just beginning to learn Virtuoso.
After DRC on layout, when I try to extract, I get several warnings for
nmos4, pmos4, pcapacitor , res etc
dbOpenCellViewByType Failed to open CellView from lib in NCSU_Analog_Parts
in 'r' mode because it does not exist.
However the the files are present in the path.
Hope someone can help.
Thanks
Click to expand...
 
Hello,

I am able to open the ivpcell view from the library manager.
Also I am unable to change the permissions of the directory
NCSU_Analog_Parts as the kit has been installed by the University.
 
On Thu, 04 Aug 2005 16:46:04 -0400, "vandy1981"
<desai.vandana@gmail.com> wrote:

Hello,

I am able to open the ivpcell view from the library manager.
Also I am unable to change the permissions of the directory
NCSU_Analog_Parts as the kit has been installed by the University.
Click to expand...
If you can open it from the library manager, Diva should be able to open
it. As far as remote debugging goes, we seem to have tried all the
normal stuff. File a bug report?
 
You must log in or register to reply here.

Welcome to EDABoard.com

Sponsor

Back
Top