SIGSEGV when moving back and forth between modules

I dont know how to solve this, but for sure the first thing to test would be the sat tool to see if you have all libraries (also most likely the developers will ask you to post the output of it when they see your post)

#go to salome path
cd $SalomePath
#run the sat tool inside the $SalomePath/sat folder
sat/sat config SALOME-9.12.0-native --check_system

most likely it will say that you are missing some things and need to install them, check if this solves the issue.
keep in mind that as I mentionned here you should remove from the list of dependencies that you need to install (in case that you are missing it the fftw)
regards