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  1. Ensure you are not running Cadence anywhere (i.e. research server, linuxpool, amdpool, etc.)
  2. To find your cadence processes run the command
    Code Block ps \ -elf \ | grep cadence \ | grep <login id>
    For example:code
    ps \ -elf \ | grep cadence \ | grep yyy33
    You can omit the "| grep cadence" just to see all your processes.
  3. You can kill all your processes, including your login shell, by typing kill -9 -1
  4. Check your processes again per step 2 until you are sure your cadence processes are gone.
  5. You may need to clean up Cadence lock files.   You can run the command:
    find . -name .snapshot -prune -o -name cdslck -exec rm {} \;

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Various security updates affect NFS periodically. You need to set the environment variable DD_DONT_DO_OS_LOCKS before starting cadence.

Example:

Code Blocknoformat

prompt> setenv DD_DONT_DO_OS_LOCKS TRUE 
prompt> icfb

Spectre Memory Errror

Spectre gives you Out of Memory Errors

Code Blocknoformat
Warning from spectre during PNoise analysis `pnoise'.    WARNING (SPCRTRF-15142): The 'maxsidebands' parameter in analysis `pnoise' has the unusually small value of 5.Using too small a value degrades accuracy because this parameter controls the amount of noise folding considered.

Using the operating-point information generated by PSS analysis `pss', you get:

Code Blocknoformat
Mem Used:    579124 kB (Memory Exhausted)

...

You have to set the application install directory environment variables for the tools you want to use. Below is an example for all of them:

Code Blocknoformat
\# 
# Path to application install directories 
# 
set CDSHOME  = /opt/cadence/ic 
set ASSURAHOME = /opt/cadence/assura 
set ANLSHOME = /opt/cadence/anls 
set ASSURAHOME = /opt/cadence/assura 
set CONFRMLHOME = /opt/cadence/confrml 
set EMGRHOME = /opt/cadence/emgr 
set ETHOME = /opt/cadence/et 
set ETSHOME = /opt/cadence/ets 
set EXTHOME = /opt/cadence/ext 
set ICHOME = /opt/cadence/ic 
set IFVHOME = /opt/cadence/ifv 
set IUSHOME = /opt/cadence/ius 
set MMSIMHOME = /opt/cadence/mmsim 
set PACIFICHOME = /opt/cadence/pacific 
set RCHOME = /opt/cadence/rc 
set SOCHOME = /opt/cadence/soc 
set SPBHOME = /opt/cadence/spb 
set CTOSHOME = /opt/cadence/ctos

Then you set paths to the executables for each of the apps, for example:

Code Blocknoformat
\# 
# Path to Cadence Executables 
# 
set dfiiPath = ($CDSHOME/tools/bin $CDSHOME/tools/dfII/bin) 
set assuraPath = ($ASSURAHOME/tools/bin $ASSURAHOME/tools/dfII/bin) 
set anlsPath = ( $ANLSHOME/tools/bin $ANLSHOME/tools/dfII/bin ) 
set confrmlPath = ( $CONFRMLHOME/tools/bin $CONFRMLHOME/tools/dfII/bin) 
set emgrPath = ( $EMGRHOME/tools/bin $EMGRHOME/tools/dfII/bin) 
set etPath = ( $ETHOME/tools/bin $ETHOME/tools/dfII/bin ) 
set etsPath = ( $ETSHOME/tools/bin $ETSHOME/tools/dfII/bin ) 
set extPath = ( $EXTHOME/tools/bin $EXTHOME/tools/dfII/bin ) 
set ifvPath = ( $IFVHOME/tools/bin $IFVHOME/tools/dfII/bin ) 
set iusPath = ( $IUSHOME/tools/bin $IUSHOME/tools/dfII/bin ) 
set mmsimPath = ( $MMSIMHOME/tools/bin $MMSIMHOME/tools/dfII/bin ) 
set pacificPath = ( $PACIFICHOME/tools/bin $PACIFICHOME/tools/dfII/bin ) 
set rcPath = ( $RCHOME/tools/bin $RCHOME/tools/dfII/bin ) 
set socPath = ( $SOCHOME/tools/bin $SOCHOME/tools/dfII/bin ) 
set spbPath = ( $SPBHOME/tools/bin SPBHOME/tools/dfII/bin ) 
set ctosPath = ( $CTOSHOME/tools/bin $CTOSHOME/tools/dfII/bin )

Then you have to update your actual UNIX path:

Code Blocknoformat
\# 
# Set Path 
#  

set path = ( $PATH \ 
		$dfiiPath \ 
		$assuraPath \ 
		$anlsPath\ 
		$confrmlPath\ 
		$emgrPath\ 
		$etPath\ 
		$etsPath\ 
		$extPath\ 
		$iusPath\ 
		$ifvPath\ 
		$iusPath\ 
		$mmsimPath\ 
		$pacificPath\ 
		$rcPath\ 
		$socPath\ 
		$spbPath \ 
		$ctosPath )

Add an entry to point to the licensing information:

Code Blocknoformat
\# 
# Generic License File Setting 
# 
#setenv LM_LICENSE_FILE 5280@flexa.ece.cornell.edu,5280@flexa.ece.cornell.edu,5280@flexa.ece.cornell.edu:$LM_LICENSE_FIE  

# 
# Cadence Specific License File Setting 
# 
setenv CDS_LIC_FILE 5280@flexa.ece.cornell.edu,5280@flexb.ece.cornell.edu,5280@flexc.ece.cornell.edu

Set up the cadence environment variables

Code Blocknoformat
\# 
# Cadence Specific Environment Variables 
#  

setenv CADENCE_BASE /opt/cadence 
setenv CDS_INST_DIR ${CADENCE_BASE}/ic 
setenv CDS_INSTALL_DIR ${CDS_INST_DIR}/tools/dfII 
setenv CLS_CDSD_COMPATIBILITY_LOCKING NO 
setenv SPECTRE_DEFAULTS " \-E " 
setenv CDS_Netlisting_Mode Analog 
setenv CDS_DEFAULT_BROWSER firefox 
setenv CDS_AUTO_64BIT ALL  

# 
# Other Cadence Environment Varibles 
# 
#CDS_LOG_PATH 
#CDS_LOAD_ENV 
#CDS_PROMPT_CKOUT 
#CDS_AUTO_CKOUT 
#CDS_PROMPT_CKIN 
#CDS_AUTO_CKIN 
#CDS_IBM_FULLDUMP 
#CDS_LOG_VERSION 
#CDS_SHM_ADDR