Due to a critical security vulnerability we need to reboot public-facing systems to deploy a mitigation against the vulnerabilit

cuda-gdb segmentation fault on startup

Resolution: 
Resolved

The CUDA debugger, cuda-gdb, can raise a segmentation fault immediately upon execution.  A workaround before executing cuda-gdb is to unload the xalt module, e.g.: 

module unload xalt

This issue affects most cuda modules on Pitzer and Owens.