Date: Wed, 12 Jul 2006 14:17:25 -0400 From: John Baldwin <jhb@freebsd.org> To: Michael <spampass@gmail.com> Cc: freebsd-amd64@freebsd.org Subject: Re: Turion 64 X2 support in future versions of FreeBSD. Message-ID: <200607121417.25934.jhb@freebsd.org> In-Reply-To: <93f8f44b0607111416p6b31f12m14bd1b3bda0b276@mail.gmail.com> References: <93f8f44b0607061447k27adb556u306063b09b3d9b0d@mail.gmail.com> <200607111618.11303.jhb@freebsd.org> <93f8f44b0607111416p6b31f12m14bd1b3bda0b276@mail.gmail.com>
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On Tuesday 11 July 2006 17:16, Michael wrote: > On 12/07/06, John Baldwin <jhb@freebsd.org> wrote: > > > > No obvious breakages. Hmm, does ACPI work fine if you disable apic via 'set > > hint.apic.0.disabled=1' in the loader? (When you disable ACPI on amd64 you > > also implicitly disable APIC.) > > it works fine (no slowing), but i see no second CPU in top output, > here dmesg command output (very strange though, since it include > strings from previous sessions): Yes, APIC is required for SMP, but I wanted you to do the test for comparison purposes. Another test you could try is leaving ACPI and APIC enabled and just disabling SMP via 'kern.smp.disabled=1' at the loader to see if the slow-down only comes from having both cores enabled. -- John Baldwin
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