Date: Tue, 30 Nov 2004 11:42:27 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: "Ketrien I. Saihr-Kenchedra" <ketrien@error404.nls.net> Cc: freebsd-amd64@freebsd.org Subject: Re: kernel panic with greater that 8 GB of memory Message-ID: <20041130194227.GA32604@troutmask.apl.washington.edu> In-Reply-To: <20041130142652.A59122@bahre.achedra.org> References: <20041129211341.GA26548@troutmask.apl.washington.edu> <20041129233211.GA27426@troutmask.apl.washington.edu> <41AC6FF8.40501@freebsd.org> <20041130183555.GA32237@troutmask.apl.washington.edu> <20041130142652.A59122@bahre.achedra.org>
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On Tue, Nov 30, 2004 at 02:35:30PM -0500, Ketrien I. Saihr-Kenchedra wrote: > On Tue, 30 Nov 2004, Steve Kargl wrote: > > <slice and dice> > >The system starts to boot and dmesg reports the 16 GB of memory, but > >I rapidly get this panic. > <snippity!> > >So, it looks like ACPI on this Tyan motherboard is restricting > >the memory to 8G. > > I presume you're using CM74SD2048RLP-2700/S DIMMs? (Corsair/Samsung 2GB > ECC Reg'd.) Yes. > More importantly, which BIOS version? You have to run the 2.03 BIOS on > the K8SPro if you're running 16GB. Make sure that ccNUMA support is off > in the BIOS as well - this was a never-ending source of fun on both the > S2882 and S4882's. I can't tell you exactly why, but having ccNUMA on > with the S4882 and S288x's is a never-ending font of panic()s. But the > 2.01 and 2.02 BIOSes on the S2882 are exceptionally miserable. > At least it's not an S4882 1.02: > "DDR 400MHz Memmory Detected" > The BIOS is at 2.03. I haven't tried turning off the ccNUMA support. I'll give it a shot in a moment. -- Steve
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