Re: Error: glibc detected *** ncl: double free or corruption (out)

Hi Sahidul,

There have been a number of bug fixes since 5.1.1, include memory fixes. Can you try downloading
NCL V5.2.0 and see if your script will run?

If you can't do this, then the next step will be to provide us with a data file so we can try to reproduce
the problem here.

--Mary

On Jun 17, 2010, at 10:05 PM, Sahidul wrote:

> [sahidul@cc3 sahidul]$ ncl max-min.ncl
> Copyright (C) 1995-2009 - All Rights Reserved
> University Corporation for Atmospheric Research
> NCAR Command Language Version 5.1.1
> The use of this software is governed by a License Agreement.
> See http://www.ncl.ucar.edu/ for more details.
> *** glibc detected *** ncl: double free or corruption (out): 0x00002b07deadb010 ***
> ======= Backtrace: =========
> /lib64/libc.so.6[0x34fde71634]
> /lib64/libc.so.6(cfree+0x8c)[
> 0x34fde74c5c]
> ncl(NclFree+0x25)[0x5681de]
> ncl[0x5495bb]
> ncl(_NclDestroyObj+0x56)[0x553e09]
> ncl(CallLIST_READ_FILEVAR_OP+0x2900)[0x5e0398]
> ncl(_NclExecute+0x442)[0x5e09c5]
> ncl(yyparse+0x792)[0x51fc69]
> ncl(main+0xa3e)[0x51b4ce]
> /lib64/libc.so.6(__libc_start_main+0xf4)[0x34fde1d8b4]
> ncl(__gxx_personality_v0+0x14a)[0x51a9fa]
> ======= Memory map: ========
> 00400000-01437000 r-xp 00000000 b5:84fa2 9213089 /home/sahidul/ncl/bin/ncl
> 01537000-01722000 rw-p 01037000 b5:84fa2 9213089 /home/sahidul/ncl/bin/ncl
> 01722000-0252a000 rw-p 01722000 00:00 0
> 0a70b000-122c0000 rw-p 0a70b000 00:00 0
> 34fce00000-34fce1a000 r-xp 00000000 68:02 160307 /lib64/ld-2.5.so
> 34fd01a000-34fd01b000 r--p 0001a000 68:02 160307 /lib64/ld-2.5.so
> 34fd01b000-34fd01c000 rw-p 0001b000 68:02 160307 /lib64/ld-2.5.so
>
> Following script, I am trying to run
> ====================================
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>
> begin
>
> fils = systemfunc("ls -1 /WRF/output-wrf/2010053000/wrfout_d02_*")
> a = addfiles(fils+".nc","r")
>
> ;temp = a[:]->T ; T = temperature or theta? If theta use wrf_tk to convert if desired
> wks = gsn_open_wks("ps","test")
>
> P = a[:]->P ; perturbation
> Pb = a[:]->PB ; base state pressure
> P = P + Pb ; total pressure
> T = a[:]->T ; perturbation potential temperature (theta+t0)
> ;T = T + 300.
>
> TK = wrf_tk (P, T)
> temp = wrf_tk (P, T)
>
> dailymax = temp(0::24,:,:,:) ; copy metadata
> dailymax = dailymax@_FillValue
> dailymin = dailymax
>
> cntr = 0
> do gg = 0,dimsizes(temp&Time)-1
> dailymax(cntr,:,:,:) = dim_max_n(temp(cntr:cntr+23,:,:,:),0)
> dailymin(cntr,:,:,:) = dim_min_n(temp(cntr:cntr+23,:,:,:),0)
> cntr = cntr+24
> end do
> end
> ====================================
>
> I am having 72 WRF out files which is reading /WRF/output/2010053000 directory, (1 hr interval files)
> I would like to calculate Maximum & minimun temperature for a day(24 hourly).
>
> Kindly help me to sort out this error.
>
> Thanking you,
>
> Sahidul
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Received on Fri Jun 18 08:20:02 2010