hi sirs,

i face problem of hard disk error because of the power
downed during using the machine.

once the power is coming, my machine stuck at 

file system is still dirty please run fsck manually.

the partion that is dirty is /dev/ad0s2g,  a home
partion one. i did run fsck /dev/ad0s2g several times
but still get the same message.

what i decided to do was that to edit /etc/fstab and
put read only option for /dev/ad0s2g and exited a
single mode.  i got a message said that /home was not
dismount, as you see in the attachment.

up to this point, only root that can log in.  my
question is that are there any method to recover an
fsck error during boot time?

please cc to me since i do not a member of the list.

with best regards,


=====
มานี
http://www.thai-aec.org

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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-STABLE #2: Sun Jun  1 18:59:28 ICT 2003
    [EMAIL PROTECTED]:/usr/obj/usr/src/sys/Bank
Timecounter "i8254"  frequency 1193182 Hz
CPU: Intel(R) Celeron(TM) CPU                1100MHz (1102.51-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
  
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 125763584 (122816K bytes)
config> di sn0
config> di lnc0
config> di ie0
config> di fe0
config> di cs0
config> q
avail memory = 118005760 (115240K bytes)
Preloaded elf kernel "kernel" at 0xc0447000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc044709c.
Preloaded elf module "snd_via8233.ko" at 0xc04470ec.
Preloaded elf module "snd_pcm.ko" at 0xc0447190.
Preloaded elf module "snd_via82c686.ko" at 0xc0447230.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 6 entries at 0xc00fdd40
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
agp0: <VIA Generic host to PCI bridge> mem 0xe0000000-0xe3ffffff at device 0.0 on pci0
pcib1: <PCI to PCI bridge (vendor=1106 device=8601)> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <Trident model 8500 VGA-compatible display device> at 0.0 irq 10
isab0: <VIA 82C686 PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 82C686 ATA100 controller> port 0xd000-0xd00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 9 at device 7.2 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x1106, dev=0x3057) at 7.4
pcm0: <VIA VT82C686A> port 0xe400-0xe403,0xe000-0xe003,0xdc00-0xdcff irq 11 at device 
7.5 on pci0
pcm0: <Avance Logic ALC200/200P ac97 codec>
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xe800-0xe81f irq 11 at device 10.0 on 
pci0
ed0: address 00:00:21:2d:ad:f7, type NE2000 (16 bit) 
orm0: <Option ROM> at iomem 0xc0000-0xcbfff 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
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 IntelliMouse, device ID 3
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: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
IP packet filtering initialized, divert enabled, rule-based forwarding enabled, 
default to deny, logging disabled
ad0: 38166MB <ST340810A> [77545/16/63] at ata0-master UDMA100
acd0: CDROM <LTN526> at ata1-slave PIO4
Mounting root from ufs:/dev/ad0s2a
ad0s2g: hard error reading fsbn 98971886 of 21364912-21365023 (ad0s2 bn 98971886; cn 
6160 tn 182 sn 20) trying PIO mode
ad0: DMA problem fallback to PIO mode
ad0: DMA problem fallback to PIO mode
ad0: DMA problem fallback to PIO mode
ad0: DMA problem fallback to PIO mode
ad0s2g: hard error reading fsbn 98971950 of 21364912-21365023 (ad0s2 bn 98971950; cn 
6160 tn 183 sn 21) status=59 error=40
WARNING: /home was not properly dismounted
dmesg ended here

here is /etc/fstab, editted one
# Device                Mountpoint      FStype  Options         Dump    Pass#
/dev/ad0s2b             none            swap    sw              0       0
/dev/ad0s2a             /               ufs     rw              1       1
#/dev/ad0s2g            /home           ufs     rw              2       2
/dev/ad0s2g             /home           ufs     ro              2       2
/dev/ad0s2f             /usr            ufs     rw              2       2
/dev/ad0s2e             /var            ufs     rw              2       2
/dev/acd0c              /cdrom          cd9660  ro,noauto       0       0
/dev/ad0s1              /win            msdos   rw              0       0
proc                    /proc           procfs  rw              0       0
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