Date: Thu, 05 Sep 1996 17:22:44 -0600 From: Steve Passe <smp@csn.net> To: Terry Lambert <terry@lambert.org> Cc: rv@groa.uct.ac.za, smp@freebsd.org Subject: Re: SMP on Intel XXpress Message-ID: <199609052322.RAA28908@clem.systemsix.com> In-Reply-To: Your message of "Thu, 05 Sep 1996 14:38:34 PDT." <199609052138.OAA09991@phaeton.artisoft.com>
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Hi, > after the "sysctl kern.smp_active=2" the 2nd CPU calls secondary_main() > which merely prints an info message, then calls cpu_switch(), from which > it never returns (thats a good thing, it shouldn't). but from this point > on we have the INT loss problem. is anything actual using the routine in i386/isa/vector.s: FAST_INTR(irq_num, vec_name, enable_icus) I believe it has a bug where it fails to release the mp_lock for hardware INTerrupts. - -- Steve Passe | powered by smp@csn.net | FreeBSD
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