Re: Memory handling problem with FreeBSD 5.3?

From: Christian R. (cr_at_it.dk)
Date: 12/30/04

  • Next message: Christian R.: "Re: Memory handling problem with FreeBSD 5.3?" 
    To: Scott Long <scottl@freebsd.org>
Date: Thu, 30 Dec 2004 10:02:31 +0100

    On Wed, 29 Dec 2004 19:32:04 -0700, you wrote:

    >Christian R. wrote:
    >> I have installed FreeBSD 5.3-STABLE i386 on a new Dell PowerEdge 2850,
    >> but it crashes under load like "make buildworld" with a "panic: page
    >> fault".
    >>
    >> The server has following configuration: 2x Intel Xeon 3.4 GHz (800 MHz
    >> FSB), 6x 1 GB DDR2 ECC RAM and Perc 4e/Di (LSI Logic/amr driver).
    >>
    >> After some days working on the problem, I think there is some problem
    >> with handling the memory. The only way I have got the server to become
    >> stable was by switching a special option in the Dell BIOS, which
    >> limits the system memory to 256 MB.
    >>
    >> I have tried to limit the memory to 4 GB by activating a spare memory
    >> bank, but the server still crashes. Disabling HTT in BIOS and ACPI in
    >> the loader also didn't solved the problem.
    >>
    >> The kernel is compiled with SMP of course and PAE because of >4 GB
    >> memory. I have removed all the unnecessary devices.
    >>
    >> Dells own diagnostic tool couldn't find any hardware errors. The
    >> special memory test also passed all tests. I have also tried with
    >> memtest (http://www.memtest.org/) which either could find any memory
    >> errors.
    >>
    >> Has anyone an idea to a solution? Has anyone succeeded running FreeBSD
    >> 5.3 on similar hardware?
    >>
    >> Would it maybe be better to run the AMD64 version of FreeBSD 5.3? I
    >> think the i386 version should be more stable?
    >>
    >
    >Upgrade to 5-STABLE. I fixed these problems a few weeks ago.

    I already have done that. I'm using RELENG_5 "5.3-STABLE FreeBSD
    5.3-STABLE #0: Tue Dec 28 17:56:04 CET 2004"

    Setting hw.physmem=3G at boot time has also made the system stable,
    but I want to use all of the memory.

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  • Next message: Christian R.: "Re: Memory handling problem with FreeBSD 5.3?"

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