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Re: (ITS#4379) test008-concurrency hangs

I have the same issue and i did extensive test: the problem never arise on i386 machines but it always arise on amd64 machines.

Here is the output of uname -a of machines i run the test on:

FreeBSD xxxxxx 5.4-RELEASE-p8 FreeBSD 5.4-RELEASE-p8 #0: Wed Nov 16 14:30:10 CET 2005 root@xxxxxx:/usr/obj/usr/src/sys/GENEBOX i386
this i386 machine passed the test.

FreeBSD xxxxxx 5.4-RELEASE-p13 FreeBSD 5.4-RELEASE-p13 #0: Tue Apr 4 15:28:11 CEST 2006 root@xxxxxx:/usr/obj/usr/src/sys/NODE5 amd64
FreeBSD xxxxxxx 5.4-RELEASE-p8 FreeBSD 5.4-RELEASE-p8 #0: Tue Dec 27 12:14:23 CET 2005 root@xxxxxxx:/usr/obj/usr/src/sys/CAINO amd64
those amd64 machines didn't pass the test.

on all machines openldap was compiled with the same options and without gcc CPU optimizations.

On amd64 machines the test008-concurrency always hangs and bumps the CPU usage of slapd up to 99% and the directory becomes unresponsive.