Created attachment 192723 [details] Reproducer This has been reported (and allegedly fixed) before, e.g. #78957, but it is still true. After around 100 hours, getrusage() stops counting. The attached demo stopped with output: ... [381082, 999593]T10.6742 1 [381093, 671972]T10.6724 0 [381104, 363990]T10.692 1 [381104, 363990]T0 0 [381104, 363990]T0 1 [381104, 363990]T0 1 [381104, 363990]T0 1 [381104, 363990]T0 % uname -a FreeBSD bigcat 11.1-RELEASE-p4 FreeBSD 11.1-RELEASE-p4 #0: Tue Nov 14 06:12:40 UTC 2017 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
I am not aware of the fix committed. You might try the patch from https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=76972
*** This bug has been marked as a duplicate of bug 76972 ***