Fatal trap after adding more memory

[Eric Ekong]

I added memory to my machine yesterday and since then I have noticed
Fatal traps when I try to do some intensive activity on the machine. 
IE. make buildworld

Motherboard: Asus A7N266-E
Memory: 1.5G
Vid: Matrox G550

Kernel options
options         MAXMEM="(1536*1024)

Top Half of boot messages....

Apr  2 11:11:13 blackguy /kernel: Copyright (c) 1992-2003 The FreeBSD
Project.
Apr  2 11:11:13 blackguy /kernel: Copyright (c) 1979, 1980, 1983, 1986,
1988, 1989, 1991, 1992, 1993, 1994
Apr  2 11:11:13 blackguy /kernel: The Regents of the University of
California. All rights reserved.
Apr  2 11:11:13 blackguy /kernel: FreeBSD 4.8-RC #8: Wed Apr  2
10:01:12 EST 2003
Apr  2 11:11:13 blackguy /kernel:
root at blackguy.unixtechs.org:/usr/obj/usr/src/sys/BLACKGUY
Apr  2 11:11:13 blackguy /kernel: Timecounter "i8254"  frequency
1193182 Hz
Apr  2 11:11:13 blackguy /kernel: CPU: AMD Athlon(TM) XP 2100+
(1271.57-MHz 686-class CPU)
Apr  2 11:11:13 blackguy /kernel: Origin = "AuthenticAMD"  Id = 0x662
Stepping = 2
Apr  2 11:11:13 blackguy /kernel:
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
Apr  2 11:11:13 blackguy /kernel: AMD
Features=0xc0400000<AMIE,DSP,3DNow!>
Apr  2 11:11:13 blackguy /kernel: real memory  = 1610612736 (1572864K
bytes)
Apr  2 11:11:13 blackguy /kernel: avail memory = 1562685440 (1526060K
bytes)
Apr  2 11:11:13 blackguy /kernel: Preloaded elf kernel "kernel" at
0xc0450000.
Apr  2 11:11:13 blackguy /kernel: ccd0-3: Concatenated disk drivers


Fatal Trap message....

Apr  2 11:11:13 blackguy /kernel: Fatal trap 12: page fault while in
kernel mode
Apr  2 11:11:13 blackguy /kernel: fault virtual address = 0x3a
Apr  2 11:11:13 blackguy /kernel: fault code            = supervisor
write, page not present
Apr  2 11:11:13 blackguy /kernel: instruction pointer   =
0x8:0xc0279c76
Apr  2 11:11:13 blackguy /kernel: stack pointer         =
0x10:0xe5478d54
Apr  2 11:11:13 blackguy /kernel: frame pointer         =
0x10:0xe5478df4
Apr  2 11:11:13 blackguy /kernel: code segment          = base 0x0,
limit 0xfffff, type 0x1b
Apr  2 11:11:13 blackguy /kernel: = DPL 0, pres 1, def32 1, gran 1
Apr  2 11:11:13 blackguy /kernel: processor eflags      = interrupt
enabled, resume, IOPL = 0
Apr  2 11:11:13 blackguy /kernel: current process               = 10743
(cc1)
Apr  2 11:11:13 blackguy /kernel: interrupt mask                = net
tty bio cam
Apr  2 11:11:13 blackguy /kernel: trap number           = 12
Apr  2 11:11:13 blackguy /kernel: panic: page fault
Apr  2 11:11:13 blackguy /kernel:
Apr  2 11:11:13 blackguy /kernel: syncing disks... 187 107 17 17 17 17
17 17 17 25


Can anyone shed some light on this problem. Currently I have 3 pc2100
DDR 512Mb chips in the board.

Eric
-- 
======================================================
Eric I. Ekong                   eric at unixtechs.org
=======================================================
 Uptime: 11:19AM  up 11 mins, 1 user, load averages: 0.26, 0.28, 0.15
Duct tape is like the force.  It has a light side, and a dark side, and
it holds the universe together ...
		-- Carl Zwanzig
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20030402/a7b82cf2/attachment.bin