[Wrf-users] Odd WRF crashes (Bart Brashers)

[Jagabandhu Panda]

Hey,

        First of all do not use different values of radt for different
domains. I suppose they should be same. Keep 30 if possible. The problem
looks like due to the memory or input data. You can use 'ulimit -s
unlimited' to avoid memory problem. However, I am not sure about whether
you are inputing the data properly or not. Please check that part
carefully. These are my suggestions!

best regards
~Jagabandhu



> Message: 1
> Date: Wed, 15 Aug 2012 23:15:21 +0000
> From: Bart Brashers <bbrashers at environcorp.com>
> Subject: [Wrf-users] Odd WRF crashes
> To: "wrf-users (wrf-users at ucar.edu)" <wrf-users at ucar.edu>
> Message-ID: <020B89C32F08C64FAACB3715A54952154388E92C at wcexs1>
> Content-Type: text/plain; charset="us-ascii"
>
> WRFv3.4, PGI compilers, WPSv3.4 using ERA-Interim + RTG SST
> initialization, OpenMPI 1.4.3, on 2x3=6 cores of an AMD 6100 series
> processor.  Some of my settings:
>
>  max_dom                             = 3,
>  e_we                                = 165, 100, 133,
>  e_sn                                = 129, 100, 100,
>  e_vert                              = 34,   34,  34,
>  dx                                  = 36000, 12000, 4000,
>  mp_physics                          = 10,   10,   10,
>  mp_zero_out                         = 1,
>  mp_zero_out_thresh                  = 1.e-8,
>  ra_lw_physics                       = 4,     4,    4,
>  ra_sw_physics                       = 4,     4,    4,
>  radt                                = 30,   10,    5,
>  sf_sfclay_physics                   = 2,     2,    2,
>  sf_surface_physics                  = 2,     2,    2,
>  sf_urban_physics                    = 0,     0,    0,
>  bl_pbl_physics                      = 2,     2,    2,
>  bldt                                = 0,     0,    0,
>  cu_physics                          = 5,     5,    0,
>  cudt                                = 0,     0,    0,
>  ishallow                            = 0,
>  prec_acc_dt                         = 0.,   0.,   0.,
>
> Many of my 5.5-day inits run OK, but a few here and there are crashing.
>  Here's an example of the frustrating lack of details:
>
> # tail -20 rsl.error.0002
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   936   171.14  2  2
> rindx=45.0
>  OBS NUDGING: Reading new obs for time window TBACK =    1.902 TFORWD =
>  3.902 for grid =  3
>  ****** CALL IN4DOB AT KTAU =   954 AND XTIME =     174.13:  NSTA =
> 134 ******
>  ++++++CALL ERROB AT KTAU =   954 AND INEST =  3:  NSTA =   134 ++++++
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   954   174.13  3  3
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   954   174.13  4  4
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   954   174.13  1  1
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   954   174.13  2  2
> rindx=45.0
>  OBS NUDGING: Reading new obs for time window TBACK =    1.956 TFORWD =
>  3.956 for grid =  3
>  ****** CALL IN4DOB AT KTAU =   972 AND XTIME =     177.35:  NSTA =
> 134 ******
>  ++++++CALL ERROB AT KTAU =   972 AND INEST =  3:  NSTA =   134 ++++++
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   972   177.35  3  3
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   972   177.35  4  4
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   972   177.35  1  1
> rindx=45.0
>   OBS NUDGING FOR IN,J,KTAU,XTIME,IVAR,IPL:  3 10   972   177.35  2  2
> rindx=45.0
> [compute-0-3:19366] *** Process received signal ***
> [compute-0-3:19366] Signal: Segmentation fault (11)
> [compute-0-3:19366] Signal code:  (128)
> [compute-0-3:19366] Failing at address: (nil)
> [compute-0-3:19366] *** End of error message ***
>
> It's repeatable.  Happens whether I use adaptive time stepping or not.
>  Happens whether I use OBS nudging or not.
>
> Any suggestions for how to track down this error?
>
> Bart Brashers
>
>
>
>
>
>
>
>
>
>
>
>
> Ignore Mordac:
>
>
> ________________________________
> This message contains information that may be confidential, privileged or
> otherwise protected by law from disclosure. It is intended for the
> exclusive use of the Addressee(s). Unless you are the addressee or
> authorized agent of the addressee, you may not review, copy, distribute or
> disclose to anyone the message or any information contained within. If you
> have received this message in error, please contact the sender by
> electronic reply to email at environcorp.com and immediately delete all
> copies of the message.
>
>
> ------------------------------
>
>
>
> --
>
###########################################################################
Dr. Jagabandhu Panda, PhD
Division of Physics and Applied Physics
School of Physical and Mathematical Sciences
Nanyang Technological University
21 Nanyang Link, SPMS-PAP-04-19
Singapore 637371
Email: jpanda at ntu.edu.sg, jagabandhu at gmail.com
Personal Web Page: http://jagabandhupanda.wordpress.com/
Group Home Page:
http://www1.spms.ntu.edu.sg/~sunshine/WeatherWeb/html/index.html
School Home Page: http://www.spms.ntu.edu.sg/
###########################################################################
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/wrf-users/attachments/20120816/76a263f1/attachment.html