SPECTRE-4080 error after updating to cadence,2008a + license

T

Tarek

Guest
(I think Sourcelink would be a better place for this query, I'll ask
our admin for the account info and check there)

Our university updated our cadence suite from 2007a to 2008a this week
and many users are encountering this SPECTRE-4080 error (no circuit
found in schematic) when trying to simulate. One person in my lab said
deleting his psf results folder solves this problem, but it reoccurs
after a few simulations. Is there something in the environment that
needs to be changed?

Also, i noticed that there are a lot more UNSUPPORTED errors in the
license log file than before upgrading. How big of an issue is this?
Cadence support generated a new license for us because most of our
features were denied upon upgrading.

"Analog_Design_Environment_L" (PORT_AT_HOST_PLUS )
"34510" (PORT_AT_HOST_PLUS )
"Virtuoso_Schematic_Editor_L" (PORT_AT_HOST_PLUS )
"Virtuoso_Schem_Option" (PORT_AT_HOST_PLUS )
"34500" (PORT_AT_HOST_PLUS )
"Virtuoso_Layout_Suite_XL" (PORT_AT_HOST_PLUS )
"Virtuoso_Layout_Suite_L" (PORT_AT_HOST_PLUS )
"Virtuoso_Spectre_XL" (PORT_AT_HOST_PLUS )
"34510" (BD668BF36F069B803178)
"34500" (5D563BB3477B5539BE52)
"ULTRASIM_GXL" (PORT_AT_HOST_PLUS )

Indeed these features aren't part of our license, but I don't think
anyone is invoking them specifically. A quick look over the old log
file only shows feature 32500 being unsupported. we're running
ic5141isr with mmsim62, so i'm guessing we're not getting the new
flavours of layout and schematic suites (L/XL/GXL) because we aren't
using ic610/mmsim7?

Thanks.
 
Tarek wrote, on 03/04/09 17:07:
(I think Sourcelink would be a better place for this query, I'll ask
our admin for the account info and check there)

Our university updated our cadence suite from 2007a to 2008a this week
and many users are encountering this SPECTRE-4080 error (no circuit
found in schematic) when trying to simulate. One person in my lab said
deleting his psf results folder solves this problem, but it reoccurs
after a few simulations. Is there something in the environment that
needs to be changed?

Also, i noticed that there are a lot more UNSUPPORTED errors in the
license log file than before upgrading. How big of an issue is this?
Cadence support generated a new license for us because most of our
features were denied upon upgrading.

"Analog_Design_Environment_L" (PORT_AT_HOST_PLUS )
"34510" (PORT_AT_HOST_PLUS )
"Virtuoso_Schematic_Editor_L" (PORT_AT_HOST_PLUS )
"Virtuoso_Schem_Option" (PORT_AT_HOST_PLUS )
"34500" (PORT_AT_HOST_PLUS )
"Virtuoso_Layout_Suite_XL" (PORT_AT_HOST_PLUS )
"Virtuoso_Layout_Suite_L" (PORT_AT_HOST_PLUS )
"Virtuoso_Spectre_XL" (PORT_AT_HOST_PLUS )
"34510" (BD668BF36F069B803178)
"34500" (5D563BB3477B5539BE52)
"ULTRASIM_GXL" (PORT_AT_HOST_PLUS )

Indeed these features aren't part of our license, but I don't think
anyone is invoking them specifically. A quick look over the old log
file only shows feature 32500 being unsupported. we're running
ic5141isr with mmsim62, so i'm guessing we're not getting the new
flavours of layout and schematic suites (L/XL/GXL) because we aren't
using ic610/mmsim7?

Thanks.
Click to expand...
What is in the netlist being simulated? Does it have any content? Perhaps it's a
netlisting problem.

Andrew.
 
Hi,

The netlist content varies from person to person - some are undergrads
working on lab assignments, some are grads working on their thesis.
One thing I didn't check is whether or not there is infact content
after renetlisting. These are designs which were previously working
before updating the tools. As I mentioned, one guy tried deleting his
psf results (actually, his entire simulation results folder) which
temporarily solved the problem. Changing the simulation results
directory didn't help. One thing that crossed my mind was that the
undergrads do their labs using models from the now unsupported
spectreS, however the grads are using more recent kits which only have
spectre models - could this be the culprit?

Thanks,
Tarek

What is in the netlist being simulated? Does it have any content? Perhaps it's a
netlisting problem.

Andrew.
Click to expand...
 
Tarek wrote, on 03/06/09 11:51:
Hi,

The netlist content varies from person to person - some are undergrads
working on lab assignments, some are grads working on their thesis.
One thing I didn't check is whether or not there is infact content
after renetlisting. These are designs which were previously working
before updating the tools. As I mentioned, one guy tried deleting his
psf results (actually, his entire simulation results folder) which
temporarily solved the problem. Changing the simulation results
directory didn't help. One thing that crossed my mind was that the
undergrads do their labs using models from the now unsupported
spectreS, however the grads are using more recent kits which only have
spectre models - could this be the culprit?

Thanks,
Tarek

What is in the netlist being simulated? Does it have any content? Perhaps it's a
netlisting problem.

Andrew.
Click to expand...
Very hard to tell without more detail. It doesn't sound like a problem I've come
across before - so I think using your usual support channel would make sense...

Andrew.
 
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