[ncl-talk] Segmentation fault 11 on MacOSX Catalina when running NCL

[Rick Brownrigg]

Hi Imoleayo,

The plot runs just fine for me on my Mac. The fact that it's failing on
your Mac but runs on Cheyenne, and the fact that the workstation type is
X11, makes me think that perhaps you don't have XQuartz (the Mac X11
environment) installed on your Mac?  Perhaps try changing the workstation
type to "png" and see if you get plots on disk. (aside - I don't recall a
SEGV being a failure-mode for this situation, but...?)

XQuartz, if you decide you want/need it, can be obtained here:

     https://www.xquartz.org/

Hope that helps...
Rick

On Tue, Jun 16, 2020 at 12:32 PM gbode Imoleayo <gbodeimoleayo at yahoo.com>
wrote:

> Dear Rick,
> Thanks for your swift response.
>
> I guess the error occurs when NCL runs the "wks= gsn_open_wks (.......)"
> on my local machine because I tried the same script and data on my Cheyenne
> environment and it worked fine. Perhaps this issue is peculiar to MacOSX
> Catalina.
>
> Please kindly find attached the script and the zipped data.
>
> Thank you.
>
> Best regards,
> Imoleayo
> On Tuesday, June 16, 2020, 08:21:41 PM GMT+2, Rick Brownrigg <
> brownrig at ucar.edu> wrote:
>
>
> Well it's almost impossible to help without more information. What are you
> trying to do, what kind of file(s) are you using, and have you narrowed
> down the segment of your script where the SEGV occurs?
>
> Regardless, NCL should not SEGV but fail more gracefully -- I'll look into
> it if you can send me your script and dataset(s) if they are not too large?
> I can't promise a fix, but I'll try to offer some sort of solution.
>
> Rick
>
>
> On Tue, Jun 16, 2020 at 12:09 PM gbode Imoleayo via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
> Dear NCL-Talk,
>
> I am trying to run NCL on MacOSX Catalina but I get Segmentation fault
> 11(shown below).
>
> "
>
>  Copyright (C) 1995-2019 - All Rights Reserved
>
>  University Corporation for Atmospheric Research
>
>  NCAR Command Language Version 6.6.2
>
>  The use of this software is governed by a License Agreement.
>
>  See http://www.ncl.ucar.edu/ for more details.
>
> Segmentation fault: 11
> "
>
> Please kindly assist.
>
> Thank you.
>
> Best regards,
> Imoleayo
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