On Wed, 11 Sep 2002, John Baldwin wrote: > > On 11-Sep-2002 Doug White wrote: > > Random notes: > > > > On Tue, 10 Sep 2002 [EMAIL PROTECTED] wrote: > > > >> Hyperthreading is turned off, I believe. There aren't any > >> "hyperthreading" swithes in the bios I could find, but the "logical > >> processor" option is turned off. > > > > HyperThreading is not supported on FreeBSD at current. It requires some > > ACPI work which hasn't happened yet. > > Not quite. It depends on the BIOS. Some BIOS's include logical CPU's > in the mptable, in which case FreeBSD will work with them fine. Some > only include logical CPU's in the APIC MADT which FreeBSD doesn't yet > use on i386 (we use it on ia64 and will eventually use it on i386 as > we need it for ACPI interrupt routing on SMP.)
We went through this a few weeks ago ... I'm still trying to find a system who puts them in the mptable. :-) Who's going to do the work? -- Doug White | FreeBSD: The Power to Serve [EMAIL PROTECTED] | www.FreeBSD.org To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
