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20010507: oabsnd and swap space

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  • Subject: 20010507: oabsnd and swap space
  • Date: Mon, 07 May 2001 11:07:02 -0600
Chris,

What is the size of the $HOME/grids/upperstr.grd file?
What version of GEMPAK are you running (eg 5.6, 5.6.C)?
Are you running a different version of the dcuair decoder?

For example:
 GEMPAK-OABSND>version

 GEMPAK Version 5.6.c.1

% dcuair -help
....
>Version 5.6.c.1<


Steve Chiswell
Unidata User Support


>From: address@hidden (Chris Hennon)
>Organization: UCAR/Unidata
>Keywords: 200105071647.f47Gltp15071

>Steve -
>
>I double checked and all looks well there:
>
>twister:[/usr/local/gempak/scripts/upperair]% cd $GEMEXE
>twister:[/usr/local/gempak/bin/sol]% ls -l gplt
>-rwxr-xr-x   1 gempak   ldm       496276 Apr 23 13:45 gplt*
>twister:[/usr/local/gempak/bin/sol]% cd ../../scripts/upperair
>twister:[/usr/local/gempak/scripts/upperair]% oabsnd
> SNFILE    Sounding data file                $RAW_UPA/20010507_upa.gem
> GDFILE    Grid file                         $HOME/grids/upperstr.grd
> SNPARM    Sounding parameter list           tmpc
> STNDEX    Stability indices                  
> LEVELS    Vertical levels                   925
> VCOORD    Vertical coordinate type          PRES
> DATTIM    Date/time                         12
> DTAAREA   Data area for OA                   
> GUESS     Guess file*time                    
> GAMMA     Convergence parameter             0.3
> SEARCH    Search radius/Extrapolation       20/EX
> NPASS     Number of passes                  2
> QCNTL     Quality control threshold          
> Parameters requested: SNFILE,GDFILE,SNPARM,STNDEX,LEVELS,VCOORD,DATTIM,
> DTAAREA,GUESS,GAMMA,SEARCH,NPASS,QCNTL.
> GEMPAK-OABSND>r
>Could not fork
> [GEMPLT -101]  NOPROC   - Nonexistent executable.
> [OABSND -3]  Fatal error initializing GEMPLT.
>twister:[/usr/local/gempak/scripts/upperair]%
>
>Chris
>
>================================================
>| Chris Hennon        Ohio State University   |
>| Tropical Meteorology      address@hidden   |
>|                                              |
>| Dept of Geography   Office: 1155 Derby Hall  |
>| 1036 Derby Hall     Phone : (614) 292-2704   |
>| Columbus, OH 43210  Fax   : (614) 292-6213   |
>================================================
>
>On Mon, 7 May 2001, Unidata Support wrote:
>
>> 
>> Chris,
>> 
>> OABSFC requires that "gplt" be found. The non-existent
>> executable seems to indicate that $GEMEXE/gplt is either
>> not bring found, that you don't have permission to execute it, 
>> or that for some reason the system is not able to execute gplt.
>> 
>> Since it says non-existent, it sounds like the program is
>> not being found. See if there is any problem with your $GEMEXE
>> environmental variable (which is set when you sourced Gemenviron),
>> and double check that gplt is executable as well.
>> 
>> The attempt to execute gplt occurs when you run the analysis,
>> eg, not when you first start up oabxxx.
>> 
>> Steve Chiswell
>> Unidata User Support
>> 
>> 
>> 
>> >From: address@hidden (Chris Hennon)
>> >Organization: UCAR/Unidata
>> >Keywords: 200105071618.f47GIbp13844
>> 
>> >Steve -
>> >
>> >I've run into a curious problem.  I'm trying to run "oabsnd" for just one
>> >level and one variable and the program exits with a NOPROC - Nonexistent
>> >executable and "Could not fork" errors.  I think I have plenty of swap
>> >space:
>> >
>> >swap -s
>> >total: 67792k bytes allocated + 167728k reserved = 235520k used, 159608k
>> >available
>> >
>> >There are no rogue processes around that I can see.  There are no dead
>> >message queues.  In the past, I have run oabsnd under the same conditions
>> >without a problem, even with more levels and more variables.  The support
>> >archives all seem to indicate a problem with either swap space or orphaned
>> >processes but it doesn't appear that I have those issues.  Any ideas?
>> >Thanks.
>> >
>> >Chris    
>> >
>> >================================================
>> >| Chris Hennon             Ohio State University   |
>> >| Tropical Meteorology      address@hidden   |
>> >|                                              |
>> >| Dept of Geography   Office: 1155 Derby Hall  |
>> >| 1036 Derby Hall     Phone : (614) 292-2704   |
>> >| Columbus, OH 43210  Fax   : (614) 292-6213   |
>> >================================================
>> >
>> 
>> ****************************************************************************
>> Unidata User Support                                    UCAR Unidata Program
>> (303)497-8644                                                  P.O. Box 3000
>> address@hidden                                   Boulder, CO 80307
>> ----------------------------------------------------------------------------
>> Unidata WWW Service                        http://www.unidata.ucar.edu/     
>> ****************************************************************************
>> 
>