Dear Half_elf many thanks for your thoughts.
I have a twin xeon system with 2GB RAM 4*120GB hdd & dvd-rw/cd-rw combo. The full dmesg is below is that helps further diagnosis. In the mean time I will look at updating the bios.
1 0 0 0 0 0 0 00
0c 000 00 1 0 0 0 0 0 0 00
0d 000 00 1 0 0 0 0 0 0 00
0e 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00
10 000 00 1 0 0 0 0 0 0 00
11 000 00 1 0 0 0 0 0 0 00
12 000 00 1 0 0 0 0 0 0 00
13 000 00 1 0 0 0 0 0 0 00
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00
IO APIC #4......
.... register #00: 04000000
....... : physical APIC id: 04
.... register #01: 00178020
....... : max redirection entries: 0017
....... : PRQ implemented: 1
....... : IO APIC version: 0020
.... register #02: 04000000
....... : arbitration: 04
.... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 000 00 1 0 0 0 0 0 0 00
02 000 00 1 0 0 0 0 0 0 00
03 000 00 1 0 0 0 0 0 0 00
04 0FF 0F 1 1 0 1 0 1 1 D1
05 000 00 1 0 0 0 0 0 0 00
06 000 00 1 0 0 0 0 0 0 00
07 000 00 1 0 0 0 0 0 0 00
08 000 00 1 0 0 0 0 0 0 00
09 000 00 1 0 0 0 0 0 0 00
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 000 00 1 0 0 0 0 0 0 00
0d 000 00 1 0 0 0 0 0 0 00
0e 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00
10 000 00 1 0 0 0 0 0 0 00
11 000 00 1 0 0 0 0 0 0 00
12 000 00 1 0 0 0 0 0 0 00
13 000 00 1 0 0 0 0 0 0 00
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ9 -> 0:9
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ18 -> 0:18
IRQ19 -> 0:19
IRQ21 -> 0:21
IRQ22 -> 0:22
IRQ23 -> 0:23
IRQ28 -> 1:4
IRQ29 -> 1:5
IRQ52 -> 2:4
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 2790.8120 MHz.
..... host bus clock speed is 132.8956 MHz.
cpu: 0, clocks: 1328956, slice: 332239
CPU0<T0:1328944,T1:996704,D:1,S:332239,C:1328956>
cpu: 1, clocks: 1328956, slice: 332239
cpu: 2, clocks: 1328956, slice: 332239
CPU1<T0:1328944,T1:664464,D:2,S:332239,C:1328956>
CPU2<T0:1328944,T1:332224,D:3,S:332239,C:1328956>
checking TSC synchronization across CPUs: passed.
Starting migration thread for cpu 0
smp_num_cpus: 3.
Starting migration thread for cpu 1
Starting migration thread for cpu 2
mtrr: your CPUs had inconsistent variable MTRR settings
mtrr: probably your BIOS does not setup all CPUs
PCI: PCI BIOS revision 2.10 entry at 0xfd8f5, last bus=5
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Ignoring BAR0-3 of IDE controller 00:1f.1
Transparent bridge - Intel Corp. 82801BA/CA/DB PCI Bridge
PCI: Using IRQ router PIIX [8086/24c0] at 00:1f.0
PCI->APIC IRQ transform: (B0,I29,P0) -> 16
PCI->APIC IRQ transform: (B0,I29,P1) -> 19
PCI->APIC IRQ transform: (B0,I29,P2) -> 18
PCI->APIC IRQ transform: (B0,I29,P3) -> 23
PCI->APIC IRQ transform: (B1,I0,P0) -> 16
PCI->APIC IRQ transform: (B3,I2,P0) -> 28
PCI->APIC IRQ transform: (B3,I2,P1) -> 29
PCI->APIC IRQ transform: (B4,I2,P0) -> 52
PCI->APIC IRQ transform: (B5,I0,P0) -> 21
PCI->APIC IRQ transform: (B5,I1,P0) -> 22
PCI->APIC IRQ transform: (B5,I3,P0) -> 18
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
apm: BIOS not found.
Starting kswapd
allocated 32 pages and 32 bhs reserved for the highmem bounces
VFS: Disk quotas vdquot_6.5.1
pty: 2048 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled
ttyS0 at 0x03f8 (irq = 4) is a 16550A
ttyS1 at 0x02f8 (irq = 3) is a 16550A
Real Time Clock Driver v1.10e
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
NET4: Frame Diverter 0.46
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH4: IDE controller at PCI slot 00:1f.1
ICH4: chipset revision 2
ICH4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x6860-0x6867, BIOS settings: hda
MA, hdb
io
ide1: BM-DMA at 0x6868-0x686f, BIOS settings: hdc
io, hdd
io
PDC20269: IDE controller at PCI slot 05:00.0
PDC20269: chipset revision 2
PDC20269: not 100% native mode: will probe irqs later
ide2: BM-DMA at 0xa060-0xa067, BIOS settings: hde
io, hdf
io
ide3: BM-DMA at 0xa068-0xa06f, BIOS settings: hdg
io, hdh
io
hda: HL-DT-ST RW/DVD GCC-4480B, ATAPI CD/DVD-ROM drive
hde: ST3120022A, ATA DISK drive
hdf: ST3120022A, ATA DISK drive
blk: queue c0453d20, I/O limit 4095Mb (mask 0xffffffff)
blk: queue c0453e74, I/O limit 4095Mb (mask 0xffffffff)
hdg: ST3120022A, ATA DISK drive
hdh: ST3120022A, ATA DISK drive
blk: queue c04541a0, I/O limit 4095Mb (mask 0xffffffff)
blk: queue c04542f4, I/O limit 4095Mb (mask 0xffffffff)
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide2 at 0xa080-0xa087,0xa076 on irq 21
ide3 at 0xa078-0xa07f,0xa072 on irq 21
hde: host protected area => 1
hde: 234441648 sectors (120034 MB) w/2048KiB Cache, CHS=14593/255/63, UDMA(100)
hdf: host protected area => 1
hdf: 234441648 sectors (120034 MB) w/2048KiB Cache, CHS=14593/255/63, UDMA(100)
hdg: host protected area => 1
hdg: 234441648 sectors (120034 MB) w/2048KiB Cache, CHS=14593/255/63, UDMA(100)
hdh: host protected area => 1
hdh: 234441648 sectors (120034 MB) w/2048KiB Cache, CHS=14593/255/63, UDMA(100)
ide-floppy driver 0.99.newide
Partition check:
hde: hde1 hde2 hde3
hdf: hdf1
hdg: hdg1
hdh: hdh1 hdh2 hdh3
ide-floppy driver 0.99.newide
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 16384 buckets, 128Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 252k freed
VFS: Mounted root (ext2 filesystem).
SCSI subsystem driver Revision: 1.00
Fusion MPT base driver 2.03.00
Copyright (c) 1999-2002 LSI Logic Corporation
mptbase: Initiating ioc0 bringup
ioc0: 53C1030: Capabilities={Initiator}
mptbase: Initiating ioc1 bringup
ioc1: 53C1030: Capabilities={Initiator}
mptbase: 2 MPT adapters found, 2 installed.
Fusion MPT SCSI Host driver 2.03.00
scsi0 : ioc0: LSI53C1030, FwRev=01000000h, Ports=1, MaxQ=255, IRQ=28
scsi1 : ioc1: LSI53C1030, FwRev=01000000h, Ports=1, MaxQ=255, IRQ=29
blk: queue c4641818, I/O limit 4294967295Mb (mask 0xffffffffffffffff)
Journalled Block Device driver loaded
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
Freeing unused kernel memory: 156k freed
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 17:50:55 Mar 13 2003
usb-uhci.c: High bandwidth mode enabled
PCI: Setting latency timer of device 00:1d.0 to 64
usb-uhci.c: USB UHCI at I/O 0x6800, IRQ 16
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Setting latency timer of device 00:1d.1 to 64
usb-uhci.c: USB UHCI at I/O 0x6820, IRQ 19
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Setting latency timer of device 00:1d.2 to 64
usb-uhci.c: USB UHCI at I/O 0x6840, IRQ 18
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 3
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
usb.c: registered new driver hiddev
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <vojtech@suse.cz>
hid-core.c: USB HID support drivers
mice: PS/2 mouse device common for all mice
hub.c: new USB device 00:1d.0-1, assigned address 2
usb-uhci.c: interrupt, status 3, frame# 635
input0: USB HID v1.10 Mouse [Microsoft Microsoft 5-Button Mouse with IntelliEye(TM)] on usb1:2.0
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide2(33,2), internal journal
Adding Swap: 4088532k swap-space (priority -1)
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide2(33,1), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide2(33,65), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide3(34,1), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
scsi2 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: HL-DT-ST Model: RW/DVD GCC-4480B Rev: 1.00
Type: CD-ROM ANSI SCSI revision: 02
IA-32 Microcode Update Driver: v1.11 <tigran@veritas.com>
microcode: CPU0 no microcode found! (sig=f27, pflags=2)
microcode: CPU2 no microcode found! (sig=f27, pflags=2)
microcode: CPU1 no microcode found! (sig=f27, pflags=2)
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,EPP]
parport0: irq 7 detected
Attached scsi CD-ROM sr0 at scsi2, channel 0, id 0, lun 0
sr0: scsi3-mmc drive: 16x/16x writer cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.12
ip_tables: (C) 2000-2002 Netfilter core team
ip_tables: (C) 2000-2002 Netfilter core team
Intel(R) PRO/1000 Network Driver - version 4.4.19-k1
Copyright (c) 1999-2002 Intel Corporation.
divert: allocating divert_blk for eth0
eth0: Intel(R) PRO/1000 Network Connection
ne2k-pci.c:v1.02 10/19/2000 D. Becker/P. Gortmaker
http://www.scyld.com/network/ne2k-pci.html
divert: allocating divert_blk for eth1
eth1: RealTek RTL-8029 found at 0xa040, IRQ 22, 00:30:4F:20:08:F0.
Intel(R) PRO/100 Network Driver - version 2.1.29-k2
Copyright (c) 2002 Intel Corporation
e100: selftest OK.
divert: allocating divert_blk for eth2
e100: eth2: Intel(R) 8255x-based Ethernet Adapter
Hardware receive checksums enabled
cpu cycle saver enabled
e100: eth2 NIC Link is Up 100 Mbps Full duplex
ip_tables: (C) 2000-2002 Netfilter core team
ip_conntrack version 2.1 (8192 buckets, 65536 max) - 292 bytes per conntrack
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,EPP]
parport0: irq 7 detected
lp0: using parport0 (polling).
lp0: console ready
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 1919M
agpgart: Unsupported Intel chipset (device id: 2550), you might want to try agp_try_unsupported=1.
agpgart: no supported devices found.
[drm] Initialized r128 2.2.0 20010917 on minor 0
udf: registering filesystem
UDF-fs DEBUG lowlevel.c:57:udf_get_last_session: XA disk: no, vol_desc_start=0
UDF-fs DEBUG super.c:1421:udf_read_super: Multi-session=0
UDF-fs DEBUG super.c:410:udf_vrs: Starting at sector 16 (2048 byte sectors)
UDF-fs DEBUG super.c:437:udf_vrs: ISO9660 Primary Volume Descriptor found
UDF-fs DEBUG super.c:434:udf_vrs: ISO9660 Boot Record found
UDF-fs DEBUG super.c:440:udf_vrs: ISO9660 Supplementary Volume Descriptor found
UDF-fs DEBUG super.c:446:udf_vrs: ISO9660 Volume Descriptor Set Terminator found
UDF-fs: No VRS found
ISO 9660 Extensions: Microsoft Joliet Level 3
ISO 9660 Extensions: RRIP_1991A
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide3(34,65), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide3(34,65), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:90:92:7c:d0:00:08:00 SRC=66.9.152.167 DST=255.255.255.255 LEN=44 TOS=0x00 PREC=0x00 TTL=111 ID=54889 DF PROTO=TCP SPT=3075 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:90:92:7c:d0:00:08:00 SRC=66.9.152.167 DST=255.255.255.255 LEN=44 TOS=0x00 PREC=0x00 TTL=111 ID=25454 DF PROTO=TCP SPT=3075 DPT=80 WINDOW=8192 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=00:04:23:47:49:c9:00:90:92:7c:d0:00:08:00 SRC=82.64.233.36 DST=143.210.25.21 LEN=48 TOS=0x00 PREC=0x00 TTL=111 ID=3636 DF PROTO=TCP SPT=4710 DPT=21 WINDOW=16384 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=00:04:23:47:49:c9:00:90:92:7c:d0:00:08:00 SRC=82.64.233.36 DST=143.210.25.21 LEN=48 TOS=0x00 PREC=0x00 TTL=111 ID=3808 DF PROTO=TCP SPT=4710 DPT=21 WINDOW=16384 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=00:04:23:47:49:c9:00:90:92:7c:d0:00:08:00 SRC=141.75.149.16 DST=143.210.25.21 LEN=48 TOS=0x00 PREC=0x00 TTL=109 ID=48259 DF PROTO=TCP SPT=1039 DPT=49917 WINDOW=64240 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:90:92:7c:d0:00:08:00 SRC=195.56.65.247 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=111 ID=50692 DF PROTO=TCP SPT=2686 DPT=80 WINDOW=16384 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:90:92:7c:d0:00:08:00 SRC=195.56.65.247 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=111 ID=51224 DF PROTO=TCP SPT=2686 DPT=80 WINDOW=16384 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=00:04:23:47:49:c9:00:90:92:7c:d0:00:08:00 SRC=141.75.149.16 DST=143.210.25.21 LEN=48 TOS=0x00 PREC=0x00 TTL=109 ID=33844 DF PROTO=TCP SPT=3051 DPT=49918 WINDOW=64240 RES=0x00 SYN URGP=0
IN=eth2 OUT= MAC=00:04:23:47:49:c9:00:90:92:7c:d0:00:08:00 SRC=81.209.148.125 DST=143.210.25.21 LEN=44 TOS=0x00 PREC=0x00 TTL=51 ID=46201 DF PROTO=TCP SPT=80 DPT=1895 WINDOW=5840 RES=0x00 ACK SYN URGP=0
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:60:b0:25:91:31:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=576 TOS=0x00 PREC=0x00 TTL=60 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=556
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:60:b0:25:91:31:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=576 TOS=0x00 PREC=0x00 TTL=60 ID=1 PROTO=UDP SPT=68 DPT=67 LEN=556
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:60:08:66:a4:0a:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=343 TOS=0x00 PREC=0x00 TTL=128 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=323
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:04:3a:46:ff:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=343 TOS=0x00 PREC=0x00 TTL=128 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=323
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:05:5d:29:ba:42:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=343 TOS=0x00 PREC=0x00 TTL=128 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=323
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:40:d0:2e:63:61:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=338 TOS=0x00 PREC=0x00 TTL=128 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=318
IN=eth2 OUT= MAC=ff:ff:ff:ff:ff:ff:00:10:5a:ae:b9:7d:08:00 SRC=0.0.0.0 DST=255.255.255.255 LEN=343 TOS=0x00 PREC=0x00 TTL=128 ID=0 PROTO=UDP SPT=68 DPT=67 LEN=323
