Date: Thu, 27 Feb 2003 06:40:48 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Juli Mallett <jmallett@FreeBSD.org> Cc: Trish Lynch <trish@bsdunix.net>, John Baldwin <jhb@FreeBSD.ORG>, Slawek Zak <zaks@prioris.mini.pw.edu.pl>, freebsd-current@FreeBSD.ORG Subject: Re: HyperThreading not working? Message-ID: <3E5E2370.F1701920@mindspring.com> References: <XFMail.20030226140551.jhb@FreeBSD.org> <20030226174154.G830-100000@femme> <20030226164713.B2816@FreeBSD.org>
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Juli Mallett wrote: > > > > Any thoughts? I attach full dmesg and mptable output. Kernel > > > > config too. > > > > > > 5.0 doesn't support HyperThreading. The upcoming 5.1 and 4.8 releases > > > will support it. > > > > it doesn't? I have a 5.0-R box that surely does support HTT. > > Your BIOS puts the logical CPUs into the MPTable. John Baldwin posted a patch for this that would use the CPUID instruction to detect Hyperthreading. Of course, that means you can not turn it off. The patch was posted to -current about 3-4 weeks ago. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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