#----------------------------------------------------------------------- Safe boot doesn't work, either. Here is the verbose output: Copyright (c) 1992-2004 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.3-RELEASE #0: Fri Nov 5 04:19:18 UTC 2004 root@harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC Preloaded elf kernel "/boot/kernel/kernel" at 0xc09cf000 Calibrating clock(s) ... i8254 clock: 1193496 Hz CLK_USE_I8254_CALIBRATION not specified - using default frequency Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Cyrix 486DX4 (486-class CPU) Origin = "CyrixInstead" DIR=0x361f Stepping=3 Revision=6 real memory = 16777216 (16 MB) Physical memory chunk(s): [...] avail memory = 7188480 (6 MB) Other BIOS signatures found: wlan: <802.11 Link Layer> null: kernel trap 1 with interrupts disabled Fatal trap 1: privileged instruction fault while in kernel mode instruction pointer = 0x8:0xc05749ca stack pointer = 0x10:0xc0c21d2c frame pointer = 0x10:0xc0c21d48 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 0 (swapper) trap number = 11 panic: privileged instruction fault Uptime: 1s Fatal trap 12: page fault while in kernel mode fault virtual address = 0x1c fault code = supervisor read, page not present instruction pointer = 0x8:0xc061ef5e stack pointer = 0x10:0xc0c21c1c frame pointer = 0x10:0xc0c21c1c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) trap number = 12 panic: page fault Uptime: 1s [second trap repeats] #----------------------------------------------------------------------- With various kernel debugging options enabled: FreeBSD/i386 bootstrap loader, Revision 1.1 (root@harlow.cse.buffalo.edu, Thu Nov 4 22:29:29 UTC 2004) Loading /boot/defaults/loader.conf /boot/kernel/kernel text=0x449500 data=0x7d368+0x51b58 syms=[0x4+0x5c050+0x4+0x710e2] - KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2004 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.3-RELEASE #0: Sat Nov 27 21:55:48 AKST 2004 root@reventlov.prv.tycho.org:/usr/obj/usr/src/sys/DEBUG WARNING: DIAGNOSTIC option enabled, expect reduced performance. Preloaded elf kernel "/boot/kernel/kernel" at 0xc09e8000. Calibrating clock(s) ... i8254 clock: 1193455 Hz CLK_USE_I8254_CALIBRATION not specified - using default frequency Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Cyrix 486DX4 (486-class CPU) Origin = "CyrixInstead" DIR=0x361f Stepping=3 Revision=6 real memory = 67108864 (64 MB) Physical memory chunk(s): 0x0000000000001000 - 0x000000000009efff, 647168 bytes (158 pages) 0x0000000000100000 - 0x00000000003fffff, 3145728 bytes (768 pages) 0x0000000000c26000 - 0x0000000003eaffff, 52994048 bytes (12938 pages) avail memory = 56176640 (53 MB) Other BIOS signatures found: wlan: <802.11 Link Layer> null: kernel trap 1 with interrupts disabled Fatal trap 1: privileged instruction fault while in kernel mode instruction pointer = 0x8:0xc057ab7e stack pointer = 0x10:0xc0c21d2c frame pointer = 0x10:0xc0c21d48 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 0 (swapper) [thread 0] Stopped at random_ident_hardware+0x1e: cpuid db> #----------------------------------------------------------------------- 2005-02-27: found this PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=75686 #-----------------------------------------------------------------------