Date: Sat, 03 May 2003 17:18:45 +0200 From: Dag-Erling Smorgrav <des@ofug.org> To: Steve Joynt <joynt@bigpond.net.au> Cc: freebsd-stable@freebsd.org Subject: Re: Hyperthreading in non-SMP systems Message-ID: <xzp3cjwjbxm.fsf@flood.ping.uio.no> In-Reply-To: <20030503132725.D7983@mocha.cable.nu> (Steve Joynt's message of "Sat, 3 May 2003 13:32:25 %2B1000 (EST)") References: <20030503132725.D7983@mocha.cable.nu>
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Steve Joynt <joynt@bigpond.net.au> writes: > Is it possible to have Hyperthreading enabled in non-SMP systems? If you mean "non-SMP kernel", what good would it do? > According > to LINT the HTT option requires SMP and APIC_IO, but when I include both of > those in my P4 3.06GHz system it panics on startup with: > > panic: pmap_bootstrap: no local apic! > mp_lock = 0000000c; cpuid = 0; lapic.id = 00000000 Try removing APIC_IO. DES -- Dag-Erling Smorgrav - des@ofug.org
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