Hi Konstantin! Do you have any plan, to MFC to 9-STABLE this commit: r230767 in HEAD commit f3be56eac8844592f627e88d16ec8ef761473512 Author: kib <kib@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f> Date: Mon Jan 30 07:56:00 2012 +0000 Finally, try to enable the nxstacks on amd64 and powerpc64 for both 64bit and 32bit ABIs. Also try to enable nxstacks for PAE/i386 when supported, and some variants of powerpc32. MFC after: 2 months (if ever) git-svn-id: svn://svn.freebsd.org/base/head@230767 ccf9f872-aa2e-dd11-9fc8-0