Re: Segmentation Fault

Folks,

I apologize -- I should have publicly mentioned that Mike did indeed post his data yesterday, and we've been looking into the issue.

RB

On Feb 1, 2012, at 9:11 AM, Wei Huang wrote:

>
> Mike,
>
> Can you put your data to our ftp site so we can take a look?
>
> You can ftp larger datasets and files to:
> ftp ftp.cgd.ucar.edu
> anonymous
> Use your email address for the password
> cd incoming
> put ...
> put ...
> :
> quit
>
>
> Thanks,
>
> Wei
>
>
>
> huangwei@ucar.edu
> VETS/CISL
> National Center for Atmospheric Research
> P.O. Box 3000 (1850 Table Mesa Dr.)
> Boulder, CO 80307-3000 USA
> (303) 497-8924
>
>
>
>
>
>
> On Jan 31, 2012, at 1:58 PM, Ventrice, Michael J wrote:
>
>> Dennis and Rick,
>>
>> Yes, ok do I understand that. But why am I still seg-faulting in 6.0.0 when I read in the first latitude and not all latidudes?
>>
>> Thanks,
>> Mike
>>
>>
>> --
>> Michael J. Ventrice
>> Department of Atmospheric and Environmental Sciences
>> University at Albany, New York, ES 218
>> MVentrice@albany.edu
>> Mike.Ventrice@gmail.com
>> http://mikeventrice.weebly.com/index.html
>>
>> ________________________________________
>> From: Dennis Shea [shea@ucar.edu]
>> Sent: Tuesday, January 31, 2012 3:49 PM
>> To: Ventrice, Michael J
>> Cc: Rick Brownrigg; ncl-talk@ucar.edu
>> Subject: Re: Segmentation Fault
>>
>> NCL v5.2.1 does not support variables > 2GB
>>
>> The variable is 33349*121*240 * 4 > 2GB
>>
>> The 4 is because each float is 4 bytes
>>
>>
>> On 1/31/12 1:09 PM, Rick Brownrigg wrote:
>>
>> Variable: x
>> Type: float
>> Total Size: -421147456 bytes
>> 968454960 values
>> Number of Dimensions: 3
>> Dimensions and sizes: [time | 33349] x [lat | 121] x [lon | 240]
>>
>> You must upgrade to v6.0.0 for variables > 2GB
>>
>>
>>> Hi Mike,
>>>
>>> The output you show is from ncl5.2.1, and it certainly makes sense
>>> (e.g., the Total size field reporting "-421147456 bytes"
>>> Can you post the results of the same commands entered into V6.0.0 ?'
>>> What do you mean by "read the data in as a whole"?
>>>
>>> Thanks,
>>> Rick
>>>
>>> On Jan 31, 2012, at 12:27 PM, Ventrice, Michael J wrote:
>>>
>>>> Hello,
>>>>
>>>> I am working the 1.5 deg ECMWF interim data where I have came across a
>>>> problem I am unable to fix. I have built large-files consisting of Jan
>>>> 1989 - September 2011 data, and am able to read the data in as a
>>>> whole, but when I try to read the first latitude point in, I recieve a
>>>> segmentation fault. I recieve segmantation faults for both v5.2.1 and
>>>> v.6.0 of NCL. Would you be able to attempt to help me understand what
>>>> is going wrong?
>>>>
>>>> Thank you,
>>>> Mike Ventrice
>>>>
>>>> ncl
>>>> Copyright (C) 1995-2010 - All Rights Reserved
>>>> University Corporation for Atmospheric Research
>>>> NCAR Command Language Version 5.2.1
>>>> The use of this software is governed by a License Agreement.
>>>> Seehttp://www.ncl.ucar.edu/for more details.
>>>> ncl 0> f=addfile("vp.850.nc <http://vp.850.nc>","r")
>>>> ncl 1> x=f->vp
>>>> ncl 2> printVarSummary(x)
>>>>
>>>>
>>>> Variable: x
>>>> Type: float
>>>> Total Size: -421147456 bytes
>>>> 968454960 values
>>>> Number of Dimensions: 3
>>>> Dimensions and sizes: [time | 33349] x [lat | 121] x [lon | 240]
>>>> Coordinates:
>>>> time: [1656744..1856832]
>>>> lat: [-90..90]
>>>> lon: [-180..178.5]
>>>> Number Of Attributes: 6
>>>> _FillValue : -999.9
>>>> mapping : cylindrical_equidistant_projection_grid
>>>> grid_resolution : 1.5_degrees
>>>> pressure_level : 850
>>>> units : m^2s^-1
>>>> long_name : velocity_potential
>>>> ncl 3> delete(x)
>>>> ncl 4> y=f->vp(:,0,:)
>>>> Segmentation fault
>>>>
>>>> --
>>>> Michael J. Ventrice
>>>> Department of Atmospheric and Environmental Sciences
>>>> University at Albany, New York, ES 218
>>>> MVentrice@albany.edu <mailto:MVentrice@albany.edu>
>>>> Mike.Ventrice@gmail.com <mailto:Mike.Ventrice@gmail.com>
>>>> http://mikeventrice.weebly.com/index.html
>>>> _______________________________________________
>>>> ncl-talk mailing list
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>>>
>>>
>>>
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Received on Wed Feb 1 21:14:03 2012