Date: Fri, 13 Jan 2012 16:48:21 +0000 From: Mark Blackman <mark@exonetric.com> To: Marco Beishuizen <mbeis@xs4all.nl> Cc: freebsd-questions@freebsd.org Subject: Re: no hyperthreading in FreeBSD 9? Message-ID: <26D6A1AE-292A-4EA0-B7E0-89789C1BCE30@exonetric.com> In-Reply-To: <alpine.BSF.2.00.1201131724570.2982@yokozuna.lan> References: <alpine.BSF.2.00.1201131724570.2982@yokozuna.lan>
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On 13 Jan 2012, at 16:30, Marco Beishuizen wrote: > Hi, >=20 > I just upgraded from 8-STABLE to 9-STABLE on my dual Xeon (nocona). = Now I have in my boot messages: > ... > root: /etc/rc.d/sysctl: WARNING: sysctl machdep.hlt_logical_cpus does = not exist. > root: /etc/rc.d/sysctl: WARNING: sysctl machdep.hyperthreading_allowed = does not exist. > ... >=20 > So isn't hyperthreading not available anymore in FreeBSD 9? = http://svnweb.freebsd.org/base/release/9.0.0/UPDATING?r1=3D222852&r2=3D222= 853& Seems to imply HT is enabled by default and new sysctls are used to take=20= logical CPUs offline. How many CPUs does your boot message suggest FreeBSD 9 is reporting? - Mark=
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