Hi,

I installed FreeBSD 4.8 on IBM PC server 520. When I'm booting FreeBSD
on this machine, I see this:

- Disk error 0x1 (lba=0x263e080)
No /boot/loader
>>FreeBSD/i386 BOOT
Default: 0:ad(0,a)/kernel
boot:
WARNING: loader(8) metadata is missing

And dmesg:
Copyright (c) 1992-2003 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 4.8-RELEASE #0: Thu Apr  3 10:53:38 GMT 2003
    [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium/P54C (133.31-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x52c  Stepping = 12
  Features=0x3bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC>
real memory  = 68153344 (66556K bytes)
avail memory = 61124608 (59692K bytes)
Intel Pentium detected, installing workaround for F00F bug
md0: Malloc disk
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
mlx0: <Mylex version 2 RAID interface> port 0x9000-0x907f irq 15 at
device 2.0 on pci0
mlx0: DAC960P/PD, 2 channels, firmware 2.73-0-00, 4MB RAM
mlxd0: <Mylex System Drive> on mlx0
mlxd0: 32768MB (67108864 sectors) RAID 5 (online)
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0x9080-0x90bf mem
0x40000000-0x4001ffff,0x40020000-0x40020fff irq 14 at device 4.0 on pci0
fxp0: Ethernet address 00:02:b3:bc:c3:cb
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
isab0: <PCI to ISA bridge (vendor=1014 device=000a)> port 0x500-0x507 at
device 6.0 on pci0
isa0: <ISA bus> on isab0
chip1: <PCI to MCA bridge (vendor=1014 device=0020)> port
0-0x1ff,0x510-0x517,0x508-0x50f at device 8.0 on pci0
pci0: <Cirrus Logic GD5430 SVGA controller> at 10.0 irq 0
ahc0: <Adaptec aic7870 SCSI adapter> port 0xc00-0xcff mem
0x30000000-0x30000fff irq 11 at device 12.0 on pci0
aic7870: Wide Channel A, SCSI Id=7, 16/253 SCBs
eisa0: <EISA bus> on motherboard
mainboard0: <ADP7870 (System Board)> on eisa0 slot 0
orm0: <Option ROMs> at iomem
0xc0000-0xc7fff,0xc8000-0xc97ff,0xc9800-0xc9fff,0xea000-0xea7ff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on
isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
ata1 at port 0x170-0x177,0x376 irq 15 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: cannot reserve I/O port range
Waiting 15 seconds for SCSI devices to settle
sa0 at ahc0 bus 0 target 4 lun 0
sa0: <ARCHIVE IBM4326NP/RP  !D 5500> Removable Sequential Access SCSI-2
device 
sa0: 7.812MB/s transfers (7.812MHz, offset 15)

Manual root filesystem specification:
  <fstype>:<device>  Mount <device> using filesystem <fstype>
                       eg. ufs:/dev/da0s1a
cd0 at ahc0 bus 0 target 6 lun 0
cd0: <IBM CDRM00203\\000\\000\\000\\000\\000!K BZ26> Removable CD-ROM
SCSI-2 device 
cd0: 5.000MB/s transfers (5.000MHz, offset 15)
cd0: Attempt to query device size failed: NOT READY, Medium not present
  ?                  List valid disk boot devices
  <empty line>       Abort manual input

mountroot> 8\^H \^Hufs:/dev/mlxd0s1a
Mounting root from ufs:/dev/mlxd0s1a


I must on each machine startup manually enter the path to my Mylex RAID.
If I disable Adaptec SCSI on this machine, there is same error. So I
don't know how can I fix this...
There is no IDE disk in this machine, so I don't know what mean this:
Default: 0:ad(0,a)/kernel


--
Kind regards,
Dusan Kozic
[EMAIL PROTECTED]
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