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ccsm4_0

Release Notes, Test Results, and Known Problems

Contents

Release Notes

================================================================================
SVN $URL: https://svn-ccsm-release.cgd.ucar.edu/model_versions/ccsm4_0 $
================================================================================

Tag name: ccsm4_0
Originator(s): cseg
Date: Thu Apr 1 2010
One-line Summary: First released version of the ccsm4.0 code.

This tag is the first officially released version of the ccsm4.0 code.
Release tag ccsm4_0 corresponds to internal release candidate ccsm4_0_rel08.
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Software Engineering Test Record

Bluefire Pre-tag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
P4A.f09_g16.B1850CN.bluefire PASS --- ---  
SMS_D.f09_g16.B1850CN.bluefire PASS --- ---  
SMS_D.f09_g16.B20TRCN.bluefire PASS --- ---  
SMS_D.f19_g16.B.bluefire PASS --- ---  
SMS_D.T31_g37.B.bluefire PASS --- ---  
ERI.f09_g16.B1850CN.bluefire PASS --- ---  
ERI.f09_g16.B20TRCN.bluefire PASS --- ---  
ERI.f09_g16.B1850RMCN.bluefire PASS --- ---  
ERT.f09_g16.B1850CN.bluefire PASS --- ---  
ERT.f09_g16.B20TRCN.bluefire PASS --- ---  
ERT.f09_g16.B1850RMCN.bluefire PASS --- ---  
ERI.f19_g16.B.bluefire PASS --- ---  
ERI.T31_g37.B.bluefire PASS --- ---  
ERS.f19_g16.B.bluefire PASS --- ---  
ERS_PT.f19_g16.B.bluefire PASS --- ---  
ERS_PT.T31_g37.B.bluefire PASS --- ---  
ERS.f45_g37.BW1850CN.bluefire PASS --- ---  
ERI.f19_g16.BW1850CN.bluefire PASS --- ---  
PET_PT.T62_g16.C.bluefire PASS --- ---  
PET_PT.T62_g16.D.bluefire PASS --- ---  
PET_PT.T62_g16.G.bluefire PASS --- ---  
PET_PT.f19_f19.F.bluefire PASS --- ---  
PET_PT.f19_g16.I.bluefire PASS --- ---  
PET_PT.f19_g16.E.bluefire PASS --- ---  
PET_PT.f19_g16.B1850CN.bluefire PASS --- ---  
ERS_D.f19_g16.A.bluefire PASS --- ---  
ERI.f45_g37.A.bluefire PASS --- ---  
ERS_D.f19_g16.X.bluefire PASS --- ---  
ERI.f19_g16.X.bluefire PASS --- ---  
ERS_D.f19_f19.F.bluefire PASS --- ---  
ERS_PT.f19_f19.F.bluefire PASS --- ---  
ERI.f19_f19.FW1850.bluefire PASS --- ---  
ERI.f19_f19.F.bluefire PASS --- ---  
ERS.f19_f19.FCN.bluefire PASS --- ---  
ERB.f45_g37.I.bluefire PASS --- ---  
ERB.T62_g16.D.bluefire PASS --- ---  
ERB.f45_g37.D.bluefire PASS --- ---  
ERB.f45_g37.G.bluefire PASS --- ---  
ERB.T62_g16.C.bluefire PASS --- ---  
ERI.f19_g16.E.bluefire PASS --- ---  
ERS.f19_g16.E1850CN.bluefire PASS --- ---  
ERT.T62_g16.C.bluefire PASS --- ---  
ERP.T62_g37.C.bluefire PASS --- ---  
ERP.T62_g37.G.bluefire PASS --- ---  
SMS_D.T62_g16.C.bluefire PASS --- ---  


CHECK ERT.f09_g16.B1850CN.bluefire.perf npes=128 tput=4.416 memh=1058.689 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT.f09_g16.B20TRCN.bluefire.perf npes=128 tput=4.110 memh=1076.516 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT.f09_g16.B1850RMCN.bluefire.perf npes=128 tput=4.294 memh=1058.689 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT.T62_g16.C.bluefire.perf npes=128 tput=22.694 memh=912.601 memr=-0.001 tag=ccsm4_0_rel08

Bluefire Posttag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
SMS.f45_g37.B.bluefire PASS --- ---  
SMS.f45_f45.F.bluefire PASS --- ---  
ERI.T62_g37.C.bluefire PASS --- ---  
ERT.T62_g37.C.bluefire PASS --- ---  
ERS.f19_f19.F.bluefire PASS --- ---  
ERS.f19_f19.FAMIP.bluefire PASS --- ---  
ERS.f09_f09.FAMIP.bluefire PASS --- ---  
ERI.f45_g37.BMOZ.bluefire PASS --- ---  
ERS.f19_g16.B20TRCNCHM.bluefire PASS --- ---  
ERS.f09_g16.B1850CNCHM.bluefire PASS --- ---  
ERS.f19_f19.F1850.bluefire PASS --- ---  
ERS.f45_g37.I4804.bluefire PASS --- ---  
SEQ.f19_g16.X.bluefire PASS --- ---  
ERS_DE.f19_g16.A.bluefire PASS --- ---  
CME.f45_g37.A.bluefire PASS --- ---  
CME.f19_g16.X.bluefire PASS --- ---  
CME.f19_g16.S.bluefire PASS --- ---  
CME.f09_g16.B1850CN.bluefire PASS --- ---  
ERI_E.T31_g37.B.bluefire PASS --- ---  
ERI_E.f19_f19.F.bluefire PASS --- ---  
SMS.ne30_f19_g16.F.bluefire PASS --- ---  
SMS_RLA.f45_f45.I.bluefire PASS --- ---  
SMS_RLB.f45_f45.I.bluefire PASS --- ---  
SMS_ROA.f45_f45.I.bluefire PASS --- ---  
SMS_ROB.f45_f45.I.bluefire PASS --- ---  
PEA_P1.f19_g16.X.bluefire PASS --- ---  
PEA_P1.f45_g37.A.bluefire PASS --- ---  
PEA_P1.f45_g37.B.bluefire PASS --- ---  
PET_PT.f19_g16.X.bluefire PASS --- ---  
PET_PT.f45_g37.A.bluefire PASS --- ---  
PET_PT.f09_g16.B1850CN.bluefire PASS --- ---  
P4A_E.f09_g16.B1850CN.bluefire PASS --- ---  
SMS_DE.f09_g16.B1850CN.bluefire PASS --- ---  
SMS_DE.f09_g16.B20TRCN.bluefire PASS --- ---  
SMS_DE.f19_g16.B.bluefire PASS --- ---  
SMS_DE.T31_g37.B.bluefire PASS --- ---  
ERI_E.f09_g16.B1850CN.bluefire PASS --- ---  
ERI_E.f09_g16.B20TRCN.bluefire PASS --- ---  
ERI_E.f09_g16.B1850RMCN.bluefire PASS --- ---  
ERT_E.f09_g16.B1850CN.bluefire PASS --- ---  
ERT_E.f09_g16.B20TRCN.bluefire PASS --- ---  
ERT_E.f09_g16.B1850RMCN.bluefire PASS --- ---  
ERI_E.f19_g16.B.bluefire PASS --- ---  
ERI_E.T31_g37.B.bluefire PASS --- ---  
ERS_E.f19_g16.B.bluefire PASS --- ---  
ERS_E.f45_g37.BW1850CN.bluefire PASS --- ---  
ERI_E.f19_g16.BW1850CN.bluefire PASS --- ---  
ERS_DE.f19_g16.A.bluefire PASS --- ---  
ERI_E.f45_g37.A.bluefire PASS --- ---  
ERS_DE.f19_g16.X.bluefire PASS --- ---  
ERI_E.f19_g16.X.bluefire PASS --- ---  
ERS_DE.f19_f19.F.bluefire PASS --- ---  
ERI_E.f19_f19.FW1850.bluefire PASS --- ---  
ERI_E.f19_f19.F.bluefire PASS --- ---  
ERS_E.f19_f19.FCN.bluefire PASS --- ---  
ERB_E.f45_g37.I.bluefire PASS --- ---  
ERB_E.T62_g16.D.bluefire PASS --- ---  
ERB_E.f45_g37.D.bluefire PASS --- ---  
ERB_E.f45_g37.G.bluefire PASS --- ---  
ERB_E.T62_g16.C.bluefire PASS --- ---  
ERI_E.f19_g16.E.bluefire PASS --- ---  
ERS_E.f19_g16.E1850CN.bluefire PASS --- ---  
ERT_E.T62_g16.C.bluefire PASS --- ---  
ERP_E.T62_g37.C.bluefire PASS --- ---  
ERP_E.T62_g37.G.bluefire PASS --- ---  
SMS_DE.T62_g16.C.bluefire PASS --- ---  


CHECK ERT.T62_g37.C.bluefire.perf npes=16 tput=74.257 memh=376.492 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.f09_g16.B1850CN.bluefire.perf npes=128 tput=4.368 memh=1117.232 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.f09_g16.B20TRCN.bluefire.perf npes=128 tput=4.076 memh=1136.048 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.f09_g16.B1850RMCN.bluefire.perf npes=128 tput=4.317 memh=1099.386 memr=-0.001 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.T62_g16.C.bluefire.perf npes=128 tput=22.276 memh=943.185 memr=-0.001 tag=ccsm4_0_rel08

Jaguar Pretag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
SMS_D.f09_g16.B1850CN.jaguar PASS --- ---  
SMS_D.f09_g16.B20TRCN.jaguar PASS --- ---  
ERI.f09_g16.B1850CN.jaguar PASS --- ---  
ERI.f09_g16.B20TRCN.jaguar PASS --- ---  
ERT.f09_g16.B1850CN.jaguar PASS --- ---  
ERT.f09_g16.B20TRCN.jaguar PASS --- ---  
ERT.f19_g16.B20TR.jaguar PASS --- ---  
ERI.f19_g16.B.jaguar PASS --- ---  
ERI.T31_g37.B.jaguar PASS --- ---  
ERS.f19_g16.X.jaguar PASS --- ---  
ERS.f45_g37.A.jaguar PASS --- ---  
ERS.f19_f19.F.jaguar PASS --- ---  
ERS.f19_f19.FCN.jaguar PASS --- ---  
ERT.f19_g16.B.jaguar PASS --- ---  
ERT.T31_g37.B.jaguar PASS --- ---  
ERS_D.f19_g16.B.jaguar PASS --- ---  
ERS_D.T31_g37.B.jaguar PASS --- ---  
ERT.T62_g16.C.jaguar PASS --- ---  
ERT.T62_g16.D.jaguar PASS --- ---  
SMS_D.T62_g16.C.jaguar PASS --- ---  


CHECK ERT.f09_g16.B1850CN.jaguar.perf npes=128 tput=3.570 memh=921.559 memr=1035.512 tag=ccsm4_0_rel08 
 
  
CHECK ERT.f09_g16.B20TRCN.jaguar.perf npes=128 tput=3.060 memh=939.617 memr=1055.461 tag=ccsm4_0_rel08 
 
  
CHECK ERT.f19_g16.B20TR.jaguar.perf npes=416 tput=13.128 memh=774.138 memr=905.538 tag=ccsm4_0_rel08 
 
  
CHECK ERT.f19_g16.B.jaguar.perf npes=416 tput=16.502 memh=766.162 memr=897.600 tag=ccsm4_0_rel08 
 
  
CHECK ERT.T31_g37.B.jaguar.perf npes=16 tput=8.381 memh=428.791 memr=515.330 tag=ccsm4_0_rel08 
 
  
CHECK ERT.T62_g16.C.jaguar.perf npes=128 tput=etag/run/c memh=etag/run/c memr=etag/run/c tag=ccsm4_0_rel08 
 
  
CHECK ERT.T62_g16.D.jaguar.perf npes=64 tput=33.121 memh=271.500 memr=347.748 tag=ccsm4_0_rel08

Jaguar Posttag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
ERB.T62_g37.C.jaguar PASS --- ---  
ERB.T31_g37.I.jaguar PASS --- ---  
ERH.f19_f19.F.jaguar PASS --- ---  
ERS.f19_f19.F1850.jaguar PASS --- ---  
ERS.T62_t12.C.jaguar FAIL --- --- Timestepping instability in pop2
ERS.T62_t12.G.jaguar RUN --- ---

 Test exceeds wallclock limit: optimal PE-layout is not produced, 
 us an alternative layout, or use a wallclock time or 8 hrs.

ERS.f05_t12.B.jaguar PASS --- ---  
SMS.ne30_f19_g16.F.jaguar PASS --- ---  
PET_PT.T62_g16.C.jaguar PASS --- ---  
PET_PT.T62_g16.D.jaguar PASS --- ---  
PET_PT.T62_g16.G.jaguar PASS --- ---  
PET_PT.f19_f19.F.jaguar PASS --- ---  
PET_PT.f19_g16.I.jaguar PASS --- ---  
PET_PT.f19_g16.E.jaguar PASS --- ---  
PET_PT.f19_g16.B1850CN.jaguar PASS --- ---  
ERI_E.f09_g16.B20TRCN.jaguar PASS --- ---  
CME.f19_g16.B.jaguar PASS --- ---  
CME.f19_f19.F1850.jaguar PASS --- ---  
SMS_DE.f09_g16.B1850CN.jaguar PASS --- ---  
SMS_DE.f09_g16.B20TRCN.jaguar PASS --- ---  
ERI_E.f09_g16.B1850CN.jaguar PASS --- ---  
ERI_E.f09_g16.B20TRCN.jaguar PASS --- ---  
ERT_E.f09_g16.B1850CN.jaguar PASS --- ---  
ERT_E.f09_g16.B20TRCN.jaguar PASS --- ---  
ERT_E.f19_g16.B20TR.jaguar PASS --- ---  
ERI_E.f19_g16.B.jaguar PASS --- ---  
ERI_E.T31_g37.B.jaguar PASS --- ---  
ERS_E.f19_g16.X.jaguar PASS --- ---  
ERS_E.f45_g37.A.jaguar PASS --- ---  
ERS_E.f19_f19.F.jaguar PASS --- ---  
ERS_E.f19_f19.FCN.jaguar PASS --- ---  
ERT_E.f19_g16.B.jaguar PASS --- ---  
ERT_E.T31_g37.B.jaguar PASS --- ---  
ERS_DE.f19_g16.B.jaguar PASS --- ---  
ERS_DE.T31_g37.B.jaguar PASS --- ---  
ERT_E.T62_g16.C.jaguar PASS --- ---  
ERT_E.T62_g16.D.jaguar PASS --- ---  
SMS_DE.T62_g16.C.jaguar PASS --- ---  


CHECK ERT_E.f09_g16.B1850CN.jaguar.perf npes=128 tput=3.565 memh=926.485 memr=1050.874 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.f19_g16.B20TR.jaguar.perf npes=416 tput=15.978 memh=784.753 memr=928.710 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.f19_g16.B.jaguar.perf npes=416 tput=16.614 memh=776.970 memr=921.136 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.T31_g37.B.jaguar.perf npes=16 tput=8.305 memh=429.263 memr=527.902 tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.T62_g16.C.jaguar.perf npes=128 tput=/run/cpl.l memh=/run/cpl.l memr=/run/cpl.l tag=ccsm4_0_rel08 
 
  
CHECK ERT_E.T62_g16.D.jaguar.perf npes=64 tput=32.149 memh=278.359 memr=364.925 tag=ccsm4_0_rel08

Jaguarpf Posttag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
SMS_D.f09_g16.B20TRCN.jaguarpf PASS --- ---  
ERS.f09_g16.B1850CN.jaguarpf PASS --- ---  
ERS.f09_g16.B20TRCN.jaguarpf PASS --- ---  
ERS.f19_g16.X.jaguarpf PASS --- ---  
ERS.f45_g37.A.jaguarpf PASS --- ---  
ERT.T62_g16.G.jaguarpf PASS --- ---  
ERB.T31_g37.I.jaguarpf PASS --- ---  
ERH.f19_f19.F.jaguarpf PASS --- ---  
ERS.f05_t12.B.jaguarpf PASS --- ---  


CHECK ERT.T62_g16.G.jaguarpf.perf npes=128 tput=14.188 memh=802.486 memr=1008.628 tag=ccsm4_0_rel08

Franklin PostTest Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
SMS_D.f09_g16.B20TRCN.franklin PASS --- ---  
ERS.f09_g16.B1850CN.franklin PASS --- ---  
ERS.f09_g16.B20TRCN.franklin PASS --- ---  
ERS.f19_g16.B20TRCNCHM.franklin PASS --- ---  
ERS.f09_g16.B1850CNCHM.franklin PASS --- ---  
ERS.f19_g16.X.franklin PASS --- ---  
ERS.f45_g37.A.franklin PASS --- ---  
ERT.T62_g16.G.franklin PASS --- ---  
ERB.T31_g37.I.franklin PASS --- ---  
ERH.f19_f19.F.franklin PASS --- ---  
ERS.f05_t12.B.franklin PASS --- ---  


CHECK ERT.T62_g16.G.franklin.perf npes=128 tput=14.095 memh=802.257 memr=989.033 tag=ccsm4_0_rel08

Kraken PostTest Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
SMS_D.f09_g16.B20TRCN.kraken PASS --- ---  
ERS.f09_g16.B1850CN.kraken PASS --- ---  
ERS.f09_g16.B20TRCN.kraken PASS --- ---  
ERS.f19_g16.X.kraken PASS --- ---  
ERS.f45_g37.A.kraken PASS --- ---  
ERT.T62_g16.G.kraken PASS --- ---  
ERB.T31_g37.I.kraken PASS --- ---  
ERH.f19_f19.F.kraken PASS --- ---  
ERS.f05_t12.B.kraken PASS --- ---  


CHECK ERT.T62_g16.G.kraken.perf npes=128 tput=12.832 memh=803.276 memr=1009.624 tag=ccsm4_0_rel08

Edinburgh Pretag Test Record


Possible test result outcomes:
  UNDEF - undefined result
  SFAIL - scripts case generation failed
  TFAIL - test setup error
  GEN   - case generated
  PEND  - case submitted
  RUN   - case running or died during run, likely failure
  PASS  - case passed
  CHECK - manual review of data is required
  FAIL  - case failed
  BFAIL - compare test couldn't find base result
  ERROR - test checker failed, test may or may not have passed

TestStatusCompare Baseline HistoryCompare Baseline LogsNotes
ERS.T31_g37.B1850CN.edinburgh_pgi PASS --- ---  
ERS.f45_g37.A.edinburgh_pgi PASS --- ---  
ERS.T31_g37.B1850CN.edinburgh_lahey FAIL --- --- expected: lahey version L8.10b, fails to compile pop2
ERS.f45_g37.A.edinburgh_lahey PASS --- ---  
ERS.f45_g37.B1850CN.edinburgh_intel PASS --- ---  
ERS.f45_g37.A.edinburgh_intel PASS --- ---  

Edinburgh Posttag Test Record

Hadley Test Record

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Midnight Test Record

[an error occurred while processing this directive] Return to Top

Known Problems


_____________________________________________________________________________________________

Description: G compset, T62_t12 resolution PE-layout not optimal 
Date       : 03/31/2010
Contact    : fischer 
Information: 

An optimal PE-layout is not produced, suggest the use of an alternative PE-layout, 
or increase the wall clock limit to 8 hours.

_____________________________________________________________________________________________

Description: C compset, T62_t12 resolution timestepping instability
Date       : 03/31/2010
Contact    : njn01
Information:

There is an initial timestepping instability in POP2 that results in the the model
issuing the error message "ERROR: k.e. > 100" and shutting down. The solution to this
problem is to reduce the POP2 timestep size (increase DT_COUNT). 

We are continuing to test this configuration to determine a recommendation for an optimal
initial timestep size. We know that an initial value of the ocean-model timestep-control
parameter DT_COUNT = 400 is successful for a six-day startup run. Most likely, the user
will be able to decrease DT_COUNT (increase the timestep size) following an initial startup
period.

Check back later for more information.

_____________________________________________________________________________________________

Description: Threaded active-ocean rake decomposition failure
Date       : 03/31/2010
Contact    : njn01
Information:

Occasionally, when running CCSM4 POP2 with OpenMP and using certain processor configurations, 
the POP_Distribution rake algorithm fails when clinic_distribution_type is set to its default 
value, balanced. 

Under these circumstances, the user should set clinic_distribution_type = cartesian instead.

_____________________________________________________________________________________________
Description: incorrect create_newcase messages regarding AMIP compset
Date       : 04/02/2010
Contact    : kauff
Information:

create_newcase issues the message:
  * If the user is interested in running a "stand-alone"
  * component configuration, the following model
  * configurations have been validated scientifically and
  * have associated diagnostic output as part of the release.
  *
  *  0.9x1.25_gx1v6  F_AMIP_1DEG
  *  1.9x2.5_gx1v6   F_AMIP_2DEG

This is incorrect.  It should say
  *  0.9x1.25_0.9x1.25 F_AMIP
  *  1.9x2.5_1.9x2.5   F_AMIP

Also, if one tries to create an AMIP case with an unsupported resolution
you get the error message...
   "ERROR: Default resoluton independent AMIP is INVALID"
the message should be...
   "ERROR: AMIP compset is not supported at this resolution"

The AMIP compsets should work doing something like this...
create_newcase -case c40.FAMIP.f19_f19.01 -compset F_AMIP -res f19_f19 -mach bluefire

_____________________________________________________________________________________________
Description: half degree surface dataset for clm repeats the path twice
Date       : 04/29/2010
Contact    : erik
Information:

When using an 1850 compset with CLM, the path to the surface dataset is
repeated twice. So modify your namelist in Buildconf/clm.buildnml.csh to change
the path for "lnd/clm2/surfdata/lnd/clm2/surfdata" to "lnd/clm2/surfdata".

_____________________________________________________________________________________________
Description: list of minor issues for CLM
Date       : 04/29/2010
Contact    : erik
Information:

There is a list of minor issues with CLM under the CLM Documentation at...

    http://www.ccsm.ucar.edu/models/ccsm4.0/clm/models/lnd/clm/doc/KnownBugs
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