Re: kernel panic with greater that 8 GB of memory

From: Steve Kargl (sgk_at_troutmask.apl.washington.edu)
Date: 11/30/04

  • Next message: Garance A Drosihn: "Re: boot menu" 
    Date: Tue, 30 Nov 2004 11:42:27 -0800
To: "Ketrien I. Saihr-Kenchedra" <ketrien@error404.nls.net>

    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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