Date: Sun, 19 Sep 2004 14:39:55 -0600 From: Scott Long <scottl@samsco.org> To: "Conrad J. Sabatier" <conrads@cox.net> Cc: re@freebsd.org Subject: Re: NO_MIXED_MODE Message-ID: <414DEE9B.3020800@samsco.org> In-Reply-To: <20040919135233.4997ea78@dolphin.local.net> References: <xzpllf7gfxo.fsf@dwp.des.no> <20040919135233.4997ea78@dolphin.local.net>
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Conrad J. Sabatier wrote: > On Sun, 19 Sep 2004 04:17:55 +0200, des@des.no (Dag-Erling Smørgrav) > wrote: > > >>I just got an ASUS SK8N motherboard that has the problematic nForce 3 >>chipset. It runs 5.3 BETA4 fine, except you have to boot it in safe >>mode because the APIC only works properly in mixed mode, and GENERIC >>has the NO_MIXED_MODE option. Took me quite a while to figure that >>out... >> >>Should we consider removing that option for 5.3-RELEASE? > > > I'll second that motion. I have the same chipset, and the same problem > with NO_MIXED_MODE. I think we should err on the side of caution with > this one. > Let's see what Peter, David, and John say about this. My understanding is that mixed mode has a measurable performance impact, so we don't want to turn it on universally unless neccessary. Maybe David knows of a BIOS upgrade that would help your motherboards. Scott
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