[Moving the thread from amd64@ to hackers@] http://leaf.dragonflybsd.org/mailarchive/kernel/2012-03/msg00000.html This bug actually delayed DragonFly 3.0 release. FYI, here is Matt's detailed explanation and the hack to work around the issue for GCC 4.4: http://gitweb.dragonflybsd.org/dragonfly.git/commit/8e32ecc0a77082f1e232a3e6d12e2f163f9667a4 Jung-uk Kim