freebsd5.4 stable amd64 with 3ware 9500 crashing problem

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hi list,

i posted this on -QUESTION, but did not see a response so i am posting here
.. hoping that someone might have ran into it earlier (i read Alfred's posts
regarding the 3ware 9500 problems).

---

we have an amd64 machine on freebsd 5.4-stable (sync'ed + compiled today)
with a 3ware 9500-8S card.  The 3ware card is handling a 1.1TB RAID5 volume
(4x 400gb SATA).  Recently, we rebooted the box to do some upgrades; now

there are several problems:

1) everytime we try to mount the 1.1TB partition, the machine reboots
without any messages.
2) when we run fsck on it, this is what we get:

box# fsck /dev/da0s1a
** /dev/da0s1a


CANNOT READ BLK: 2343322528
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: 2343322528, 2343322529,
2343322530, 2343322531,

LOOK FOR ALTERNATE SUPERBLOCKS? [yn] y

32 is not a file system superblock


CANNOT READ BLK: 458302416
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: 458302416, 458302417,
458302418, 458302419, 458302420, 458302421, 458302422, 458302423, 458302424=
,
458302425, 458302426, 458302427, 458302428, 458302429, 458302430, 458302431=

,

CANNOT READ BLK: 916604800
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: 916604800, 916604801,
916604802, 916604803, 916604804, 916604805, 916604806, 916604807, 916604808=
,

916604809, 916604810, 916604811, 916604812, 916604813, 916604814, 916604815=
,

CANNOT READ BLK: 1374907184
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: 1374907184, 1374907185,
1374907186, 1374907187, 1374907188, 1374907189, 1374907190, 1374907191,

1374907192, 1374907193, 1374907194, 1374907195, 1374907196, 1374907197,
1374907198, 1374907199,

CANNOT READ BLK: 1833209568
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: 1833209568, 1833209569,

1833209570, 1833209571, 1833209572, 1833209573, 1833209574, 1833209575,
1833209576, 1833209577, 1833209578, 1833209579, 1833209580, 1833209581,
1833209582, 1833209583,

CANNOT SEEK BLK: -2003455344
CONTINUE? [yn] y



CANNOT READ BLK: -2003455344
CONTINUE? [yn] y


CANNOT SEEK BLK: -2003455344
CONTINUE? [yn] y

THE FOLLOWING DISK SECTORS COULD NOT BE READ: -2003455344, -2003455343,
-2003455342, -2003455341, -2003455340, -2003455339, -2003455338,

-2003455337, -2003455336, -2003455335, -2003455334, -2003455333,
-2003455332, -2003455331, -2003455330, -2003455329,
SEARCH FOR ALTERNATE SUPER-BLOCK FAILED. YOU MUST USE THE
-b OPTION TO FSCK TO SPECIFY THE LOCATION OF AN ALTERNATE

SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).
-------------

How do we fix this? Why are there NEGATIVE disk sectors?  The box freezes
every time when we mount with with `mount -f /dev/da0s1a /mnt`


thank you.

--
this is the dmesg output..
--
Copyright (c) 1992-2005 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 5.5-PRERELEASE #0: Sun Feb 12 21:50:34 UTC 2006
    root at box:/usr/obj/usr/src/sys/CRAP
ACPI APIC Table: <Nvidia AWRDACPI>
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 Processor 3200+ (
2210.77-MHz K8-class CPU)
  Origin =3D "AuthenticAMD"  Id =3D 0xfc0  Stepping =3D 0

Features=3D0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,M=
CA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>

  AMD Features=3D0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow>
real memory  =3D 268369920 (255 MB)
avail memory =3D 247742464 (236 MB)
ioapic0 <Version 1.1> irqs 0-23 on motherboard
acpi0: <Nvidia AWRDACPI> on motherboard

acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU> on acpi0

acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf0-0xcf3,0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0

pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
ohci0: <OHCI (generic) USB controller> mem 0xfc003000-0xfc003fff irq 22 at
device 2.0 on pci0
usb0: OHCI version 1.0, legacy support

usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
ohci1: <OHCI (generic) USB controller> mem 0xfc004000-0xfc004fff irq 21 at

device 2.1 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <OHCI (generic) USB controller> on ohci1
usb1: USB revision 1.0
uhub1: nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 4 ports with 4 removable, self powered

pci0: <serial bus, USB> at device 2.2 (no driver attached)
pci0: <bridge> at device 5.0 (no driver attached)
pci0: <multimedia, audio> at device 6.0 (no driver attached)
atapci0: <nVidia nForce3 Pro UDMA133 controller> port

0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 8.0 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
atapci1: <GENERIC ATA controller> port
0xdc00-0xdc0f,0xb70-0xb73,0x970-0x977,0xbf0-0xbf3,0x9f0-0x9f7 irq 20 at

device 10.0 on pci0
ata2: channel #0 on atapci1
ata3: channel #1 on atapci1
pcib1: <ACPI PCI-PCI bridge> at device 11.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device
0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 14.0 on pci0
pci2: <ACPI PCI bus> on pcib2
3ware device driver for 9000 series storage controllers, version:

3.50.02.012
twa0: <3ware 9000 series Storage Controller> port 0x7000-0x70ff mem
0xfb000000-0xfb7fffff,0xfb80e000-0xfb80e0ff irq 17 at device 9.0 on pci2
twa0: INFO: (0x15: 0x1300): Controller details:: Model 9500S-8, 8 ports,

Firmware FE9X 2.06.00.009, BIOS BE9X 2.03.01.051
skc0: <D-Link DGE-530T Gigabit Ethernet> port 0x7400-0x74ff mem
0xfb800000-0xfb803fff irq 18 at device
10.0 on pci2
skc0: (null) rev. (0x1)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:0f:3d:f2:45:0c
miibus0: <MII bus> on sk0
e1000phy0: <Marvell 88E1000 Gigabit PHY> on miibus0

e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX,
auto
skc1: <Marvell Gigabit Ethernet> port 0x7800-0x78ff mem
0xfb804000-0xfb807fff irq 19 at device 11.0 on pci2
skc1: Marvell Yukon Lite Gigabit Ethernet rev. A3(0x7)

sk1: <Marvell Semiconductor, Inc. Yukon> on skc1
sk1: Ethernet address: 00:0d:61:7e:b2:5e
miibus1: <MII bus> on sk1
e1000phy1: <Marvell 88E1000 Gigabit PHY> on miibus1
e1000phy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX,

auto
atapci2: <ITE IT8212F ATA133 controller> port
0x8c00-0x8c0f,0x8800-0x8803,0x8410-0x8417,0x8000-0x8003,0x7c10-0x7c17 irq 1=
6
at device 12.0 on pci2
ata4: channel #0 on atapci2
ata5: channel #1 on atapci2

atapci3: <SiI 3512 SATA150 controller> port
0xa000-0xa00f,0x9c00-0x9c03,0x9800-0x9807,0x9400-0x9403,0x9000-0x9007 mem
0xfb80c000-0xfb80c1ff irq 17 at device 13.0 on pci2
ata6: channel #0 on atapci3
ata7: channel #1 on atapci3

fwohci0: <Texas Instruments TSB82AA2> mem
0xfb808000-0xfb80bfff,0xfb80d000-0xfb80d7ff irq 18 at device 14.0 on pci2
fwohci0: OHCI version 1.10 (ROM=3D1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:0d:61:56:00:7d:36:9a

fwohci0: invalid speed 7 (fixed to 3).
fwohci0: Phy 1394a available S800, 3 ports.
fwohci0: Link S800, max_rec 4096 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0

if_fwe0: Fake Ethernet address: 02:0d:61:7d:36:9a
fwe0: Ethernet address: 02:0d:61:7d:36:9a
fwe0: if_start running deferred for Giant
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset

fwohci0: node_id=3D0xc800ffc0, gen=3D1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <=3D 0, cable IRM =3D 0 (me)
firewire0: bus manager 0 (me)
fwohci0: phy int
fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0

sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
ppc0: <Standard parallel printer port> port 0x378-0x37f irq 7 on acpi0

ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port

ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
orm0: <ISA Option ROMs> at iomem 0xd0000-0xd17ff,0xc0000-0xcc7ff on isa0

sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=3D0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 2210769641 Hz quality 800

Timecounters tick every 1.000 msec
ipfw2 initialized, divert enabled, rule-based forwarding disabled, default
to accept, logging unlimited
acd0: DVDROM <HITACHI DVD-ROM GD-2500/A012> at ata0-master PIO4

ad2: 8063MB <FUJITSU MPC3084AT/6021> [16383/16/63] at ata1-master UDMA33
da0 at twa0 bus 0 target 0 lun 0
da0: <AMCC 9500S-8    DISK 2.06> Fixed Direct Access SCSI-3 device
da0: 100.000MB/s transfers

da0: 1144377MB (2343684096 512 byte sectors: 255H 63S/T 145887C)
da1 at twa0 bus 0 target 1 lun 0
da1: <AMCC 9500S-8    DISK 2.06> Fixed Direct Access SCSI-3 device
da1: 100.000MB/s transfers
da1: 190724MB (390602752 512 byte sectors: 255H 63S/T 24313C)

Mounting root from ufs:/dev/ad2s1a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted