From owner-freebsd-current  Mon Oct  5 13:24:19 1998
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Date: Mon, 05 Oct 1998 22:23:52 +0000
From: Gilad Rom <rom_glsa@ein-hashofet.co.il>
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To: current@FreeBSD.ORG
Subject: Problems with 3-stage bootloader
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Hi,

I have installed the new bootloader(CVSupped Monday morning), 
recompiled my KERNEL as ELF, added "options FFS_ROOT", 
did a "disklabel -B wd0", and happily rebooted.

the new bootloader showed up, telling me about drive 0/drive1 and some
more BIOs information, when suddenly I got this message:

FreeBSD/i386 bootstrap loader....

(lickyou@pentium, Mon Oct 5 20:21:30 GMT 1998)
Can't work out which disk we are booting from.
Guessed BIOS device 0xffffffff not found by probes, defaulting to disk
0:

can't open `/boot/boot.conf`: input/output error

<countdown here, when it gets to zero it tries loading the kernel from
drive A: with no success and then drops me to the command 
line prompt)

When I type "load disk1c:/kernel" from the command line it loads the
kernel,
then I type "boot" and it appears to boot fine,  filesystem checks OK,
but I get the infamous "mount: /dev/wd0s2a on /: specifed device does
not
match mounted device" when trying to mount the root device.
(from then, It just boots single user with the root filesystem read
only).

I have reserved my aout kernel as /kernel.aout and I can boot it just
fine
at the "boot:" prompt, all filesystem checks are OK and mount does not
complain.

a copy of my dmesg and /etc/fstab, just to be sure: 

Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights
reserved.
FreeBSD 3.0-BETA #13: Sun Oct  4 20:32:31 GMT 1998
    lickyou@pentium:/usr/src/sys/compile/KERNEL
Timecounter "i8254"  frequency 1193182 Hz  cost 1483 ns
Timecounter "TSC"  frequency 230955312 Hz  cost 94 ns
CPU: Pentium/P55C (230.96-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x543  Stepping=3
  Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
real memory  = 100663296 (98304K bytes)
avail memory = 95846400 (93600K bytes)
Probing for devices on PCI bus 0:
chip0: <Host to PCI bridge (vendor=10b9 device=1531)> rev 0xb3 on
pci0.0.0
chip1: <PCI to ISA bridge (vendor=10b9 device=1533)> rev 0xb4 on
pci0.2.0
vga0: <ATI model 4755 graphics accelerator> rev 0x9a on pci0.5.0
ide_pci0: <PCI IDE controller (busmaster capable)> rev 0x20 int a irq 0
on pci0.11.0
ide_pci: controller is simplex, no DMA on secondary channel
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
sio1 at 0x3f8-0x3ff irq 4 on isa
sio1: type 16550A
sio2 at 0x2f8-0x2ff irq 3 on isa
sio2: type 16550A
pcm0 at 0x220 irq 5 drq 1 flags 0x15 on isa
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff on isa
wdc0: unit 0 (wd0): <WDC AC34300L>, 32-bit, multi-block-16
wd0: 4104MB (8406720 sectors), 8896 cyls, 15 heads, 63 S/T, 512 B/S
wdc0: unit 1 (atapi): <BCD-20X 1997-05-25/VER 2.0>, removable, accel,
dma, iordy
wcd0: 0/1718Kb/sec, 128Kb cache, audio play, 255 volume levels,
ejectable tray
wcd0: no disc inside, unlocked
npx0 flags 0x1 on motherboard
npx0: INT 16 interface
Intel Pentium F00F detected, installing workaround
changing root device to wd0s2a
ffs_mountfs: superblock updated

/etc/fstab has:

# Device                Mountpoint      FStype  Options         Dump   
Pass#
/dev/wd0s2b             none            swap    sw              0      
0
/dev/wd0s2a             /               ufs     rw              1      
1
/dev/wd0s2f             /usr            ufs     rw,async        2      
2
/dev/wd0s2e             /var            ufs     rw              2      
2
proc                    /proc           procfs  rw              0      
0
/dev/wcd0a              /cdrom          cd9660  ro,noauto       0      
0
/dev/wd0s1              /dos            msdos   rw,noauto       0      
0


Bye, Gilad.

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