From owner-freebsd-questions  Tue Mar 26 19:36: 2 2002
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Message-ID: <00a001c1d540$a01098b0$1901a8c0@itg.ti.com>
From: "Gautham Ganapathy" <gauthamg123list@myrealbox.com>
To: "FreeBSD.org - Questions" <questions@freebsd.org>
Cc: <gauthamg123@myrealbox.com>
Subject: ? sysctl -a crashed the GENERIC kernel
Date: Wed, 27 Mar 2002 09:06:16 +0530
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Hi

I installed FreeBSD 4.5 from the freebsdmall feb2002 cd. after
installation, i ran sysctl -a and the kernel (GENERIC) crashed
(accessing a non-existant page). i tried it a few more times it crashed
consistently. it stopped after i recompiled the kernel. is this due to a
problem in the default kernel ? i am running on an athlon thunderbird
850, asus a7v m/b, 256 mb ram

the error was

Fatal trap 12 : page fault while in kernel mode
fault address        = 0x6351ec0c
fault code           = supervisor read, page not found
instruction pointer  = 0x8:0xc022007c
stack pointer        = 0x10:0xede0ebf8
frame pointer        = 0x10:0xcde0ee20
code segment         = base 0x0, limit 0xffffff, type 0x1b
                     = DPL 0, pres 1, def32 1, gran 1
processor eflags     = interrupt enabled, resume, IOPL = 0
current process      = 228 (sysctl)
interrupt mask       =
trap number          = 12
panic : page fault

what is the stuff given in the second line of code segment mean (pres,
def32, ...) ?


regards
gautham


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