Re: unable to install beta6 [amd64] on Dell 2850 with 4 GB RAM,workaround

From: Claus Guttesen (cguttesen_at_yahoo.dk)
Date: 09/29/04

  • Next message: Ryan Sommers: "Re: Bug in #! processing" 
    Date: Wed, 29 Sep 2004 15:29:42 +0200 (CEST)
To: Peter Wemm <peter@wemm.org>, freebsd-current@freebsd.org

    > Regarding the 4G of ram thing below.. Several
    > people have tinkered with
    > the auto-tuning of kernel resources based on

    Tried setting maxusers to 256 in kernel. Still crashes
    with 4 GB RAM installed when load occurs, like 'make
    -j 16 buildworld'.

    Compiled a debug-kernel, but after a crash it says
    "savecore: no dumps found".

    Kernel has:

    makeoptions DEBUG=-g
    options KDB
    options KDB_TRACE
    options KDB_UNATTENDED
    options DDB
    options DDB_NUMSYM
    options GDB

    rc.conf:

    dumpdir="/var/crash"
    dumpdev="/dev/amrd0s1b"

    Swap-area is 8 GB.

    Disabling the onboard Intel ICH5 UDMA100 controller
    make the server boot go into mulituser.

    Running with DEBUG=-g seems to make the server crash
    less frequently.

    kern.sync_on_panic is unchanged (=0).

    Am I compiling wrong settings into the kernel, since I
    don't get a dump?

    Claus

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