Hi! I got error when I did make check: running code in 'reg-tests-1.R' .../bin/sh: line 1: 9538 Segmentation fault LC_ALL=C SRCDIR=. R_DEFAULT_PACKAGES= ../bin/R --vanilla < reg-tests-1.R >reg-tests-1.Rout 2>&1 make[3]: *** [reg-tests-1.Rout] Error 1 make[3]: Leaving directory `/home/xwu/R-2.3.1/tests' make[2]: *** [test-Reg] Error 2 make[2]: Leaving directory `/home/xwu/R-2.3.1/tests' make[1]: *** [test-all-basics] Error 1 make[1]: Leaving directory `/home/xwu/R-2.3.1/tests' make: *** [check] Error 2 At the end of the reg-tests-1.Rout.fail file: *** caught segfault *** address (nil), cause 'unknown' Traceback: 1: .Fortran("rg", n, n, x, values = dbl.n, ivalues = dbl.n, !only.values, vectors = x, integer(n), dbl.n, ierr = integer(1), PACKAGE = "base") 2: eigen(Gm, EISPACK = TRUE) aborting ... Thanks. Note: I tried 3.2.0 and got the same error, except the number of the segmentation fault. Best, Clear [[alternative HTML version deleted]]