Scheduled Downtime
On Friday 21 April 2023 @ 5pm MT, this website will be down for maintenance and expected to return online the morning of 24 April 2023 at the latest

SIGSEGV: Segmentation fault - invalid memory reference while running ungrib

This post was from a previous version of the WRF&MPAS-A Support Forum. New replies have been disabled and if you have follow up questions related to this post, then please start a new thread from the forum home page.


New member

I'm in the middle of trying to run the single domain Hurricane Matthew test case study from here.

I've been able to get through all parts, but I've ran into a hill when I got to the ./ungrib.exe execution. When I run the command, I'm getting the following errors:

Backtrace for this error:
#0 0x7F1FE943E697
#1 0x7F1FE943ECDE
#2 0x7F1FE89393AF
#3 0x7F1FE8971ED8
#4 0x402D0D in cio_prints_
#5 0x403387 in __module_debug_MOD_mprintf
#6 0x408B7E in MAIN__ at ungrib.f90:?
Segmentation fault (core dumped)

I'm not exactly sure what's wrong with my namelist or exactly where to check. Any help would be greatly appreciated.


  • namelist.wps
    646 bytes · Views: 13
Please let me know what data you downloaded and which vtable you used. Also, which version of WPS did you run? Thanks.