===== Known problems ===== **Problem 1:** Gaussview **refuses to start with error output** similar to the following: YYY@cluster-a#-bash_4.2:~:[4]$ gaussview libGL error: unable to load driver: swrast_dri.so libGL error: failed to load driver: swrast [xcb] Unknown sequence number while processing queue [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. gview.exe: xcb_io.c:259: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. /afs/math/software/gaussian/g09.D01/@sys/gv/gaussview: line 29: 9269 Aborted ${GV_DIR}/gview.exe "$@" **Solution:** Workaround: is to invoke gaussview with one of the following switches: YYY@cluster-a#-bash_4.2:~:[4]$ gaussview -mesagl or YYY@cluster-a#-bash_4.2:~:[4]$ gaussview -soft \\ date of revision: 08-24-2018 © kraus