If there are too many "already applied" deltas, CTM will fail with too many files open. How-To-Repeat: cd /usr/current/src ctm -v ../CTM/src/*
State Changed From-To: open->closed The bug had already been fixed by time of submission (with revision 1.9 of ctm/ctm.c), but it obviously didn't make it already into the 950322 SNAP Richard was working with.