Date: Tue, 8 Apr 2008 09:52:00 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Alexander Sack <pisymbol@gmail.com>, Andrei Kolu <antik@bsd.ee> Subject: Re: Don't recognizing SMP... Message-ID: <200804080952.00483.jhb@freebsd.org> In-Reply-To: <3c0b01820804071145t5bfcd01al55f70ce7f1826b19@mail.gmail.com> References: <d6a9902d0803310231h76134cf7n4b464ba47a8acc8f@mail.gmail.com> <200804011243.06122.antik@bsd.ee> <3c0b01820804071145t5bfcd01al55f70ce7f1826b19@mail.gmail.com>
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On Monday 07 April 2008 02:45:47 pm Alexander Sack wrote: > On Tue, Apr 1, 2008 at 5:43 AM, Andrei Kolu <antik@bsd.ee> wrote: > > On Monday 31 March 2008 12:31:49 =ED=95=9C=EC=9B=90=ED=9D=AC wrote: > > > I installed FreeBSD 7.0 on HP DL 380. > > > > > > This is a mptable result. > > > > > > > # mptable > > > > Processors: APIC ID Version State Family Model St= ep > > > > Flags 0 0x14 BSP, usable 6 2 1 0x03= 81 > > > > 6 0x14 AP, usable 15 2 9 0xbfebfbff > > > > > > 2 way cpus are same as 3.0GHz Xeon CPU. But they have different > > > Family, Step, and Flags. > > > > SMP does NOT work with cpus with different steppings. You should find > > other matching pair for smp to work. > > Then this needs to be FIXED because MANY OEMs ship mixed stepping > processors as Intel now supports it.... =46reeBSD itself doesn't enforce this, we use whatever CPUs we find in the = table=20 and we don't actually bother reading the family/model/etc. from the APs at= =20 all. Assuming this is a non-ancient computer and non-ancient FreeBSD (5.2 = or=20 later) then FreeBSD isn't using the MP Table at all but the ACPI MADT table= =20 (available via acpidump -t). =2D-=20 John Baldwin
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