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    Subjectpanic on 2.6.20
    Date
    Hi. Sorry for posting to this list,
    but I got this panic with linux
    2.6.20
    I have also changed the motherboard
    of this server and memtest has not
    found any error (ram tested for 10
    hours)
    May anyone tell me if this could
    be an hardware problem?

    TIA

    Linux version 2.6.20 (root@Pleiadi) (gcc version 3.4.6) #1 SMP Mon Feb 5
    09:12:13 CET 2007
    BIOS-provided physical RAM map:
    sanitize start
    sanitize end
    copy_e820_map() start: 0000000000000000 size: 000000000009ac00 end:
    000000000009ac00 type: 1
    copy_e820_map() type is E820_RAM
    copy_e820_map() start: 000000000009ac00 size: 0000000000005400 end:
    00000000000a0000 type: 2
    copy_e820_map() start: 00000000000ce000 size: 0000000000002000 end:
    00000000000d0000 type: 2
    copy_e820_map() start: 00000000000e0000 size: 0000000000020000 end:
    0000000000100000 type: 2
    copy_e820_map() start: 0000000000100000 size: 000000003fdf0000 end:
    000000003fef0000 type: 1
    copy_e820_map() type is E820_RAM
    copy_e820_map() start: 000000003fef0000 size: 000000000000b000 end:
    000000003fefb000 type: 3
    copy_e820_map() start: 000000003fefb000 size: 0000000000005000 end:
    000000003ff00000 type: 4
    copy_e820_map() start: 000000003ff00000 size: 0000000000080000 end:
    000000003ff80000 type: 1
    copy_e820_map() type is E820_RAM
    copy_e820_map() start: 000000003ff80000 size: 0000000000080000 end:
    0000000040000000 type: 2
    copy_e820_map() start: 00000000e0000000 size: 0000000010000000 end:
    00000000f0000000 type: 2
    copy_e820_map() start: 00000000fec00000 size: 0000000000100400 end:
    00000000fed00400 type: 2
    copy_e820_map() start: 00000000fee00000 size: 0000000000100000 end:
    00000000fef00000 type: 2
    copy_e820_map() start: 00000000ffb00000 size: 0000000000100000 end:
    00000000ffc00000 type: 2
    copy_e820_map() start: 00000000fff00000 size: 0000000000100000 end:
    0000000100000000 type: 2
    BIOS-e820: 0000000000000000 - 000000000009ac00 (usable)
    BIOS-e820: 000000000009ac00 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000ce000 - 00000000000d0000 (reserved)
    BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000003fef0000 (usable)
    BIOS-e820: 000000003fef0000 - 000000003fefb000 (ACPI data)
    BIOS-e820: 000000003fefb000 - 000000003ff00000 (ACPI NVS)
    BIOS-e820: 000000003ff00000 - 000000003ff80000 (usable)
    BIOS-e820: 000000003ff80000 - 0000000040000000 (reserved)
    BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
    BIOS-e820: 00000000fec00000 - 00000000fed00400 (reserved)
    BIOS-e820: 00000000fee00000 - 00000000fef00000 (reserved)
    BIOS-e820: 00000000ffb00000 - 00000000ffc00000 (reserved)
    BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
    127MB HIGHMEM available.
    896MB LOWMEM available.
    found SMP MP-table at 000f6c10
    Entering add_active_range(0, 0, 262016) 0 entries of 256 used
    Zone PFN ranges:
    DMA 0 -> 4096
    Normal 4096 -> 229376
    HighMem 229376 -> 262016
    early_node_map[1] active PFN ranges
    0: 0 -> 262016
    On node 0 totalpages: 262016
    DMA zone: 32 pages used for memmap
    DMA zone: 0 pages reserved
    DMA zone: 4064 pages, LIFO batch:0
    Normal zone: 1760 pages used for memmap
    Normal zone: 223520 pages, LIFO batch:31
    HighMem zone: 255 pages used for memmap
    HighMem zone: 32385 pages, LIFO batch:7
    DMI present.
    ACPI: RSDP (v002 PTLTD ) @ 0x000f6ba0
    ACPI: XSDT (v001 PTLTD XSDT 0x06040001 LTP 0x00000000) @
    0x3fef5381
    ACPI: FADT (v003 FSC 0x06040001 0x000f4240) @
    0x3fef5441
    ACPI: SPCR (v001 PTLTD $UCRTBL$ 0x06040001 PTL 0x00000001) @
    0x3fefaeb0
    ACPI: MCFG (v001 PTLTD MCFG 0x06040001 LTP 0x00000000) @
    0x3fefaf00
    ACPI: MADT (v001 PTLTD APIC 0x06040001 LTP 0x00000000) @
    0x3fefaf40
    ACPI: BOOT (v001 PTLTD $SBFTBL$ 0x06040001 LTP 0x00000001) @
    0x3fefafd8
    ACPI: DSDT (v001 FSC D1649 0x06040001 MSFT 0x02000002) @
    0x00000000
    ACPI: PM-Timer IO Port: 0xf008
    ACPI: Local APIC address 0xfee00000
    ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
    Processor #0 15:4 APIC version 20
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
    Processor #1 15:4 APIC version 20
    ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
    IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
    ACPI: IOAPIC (id[0x03] address[0xfec80000] gsi_base[24])
    IOAPIC[1]: apic_id 3, version 32, address 0xfec80000, GSI 24-47
    ACPI: IOAPIC (id[0x04] address[0xfec80800] gsi_base[48])
    IOAPIC[2]: apic_id 4, version 32, address 0xfec80800, GSI 48-71
    ACPI: IOAPIC (id[0x05] address[0xfec84000] gsi_base[72])
    IOAPIC[3]: apic_id 5, version 32, address 0xfec84000, GSI 72-95
    ACPI: IOAPIC (id[0x06] address[0xfec84800] gsi_base[96])
    IOAPIC[4]: apic_id 6, version 32, address 0xfec84800, GSI 96-119
    ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    ACPI: IRQ0 used by override.
    ACPI: IRQ2 used by override.
    ACPI: IRQ9 used by override.
    Enabling APIC mode: Flat. Using 5 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Allocating PCI resources starting at 50000000 (gap: 40000000:a0000000)
    Detected 3200.432 MHz processor.
    Built 1 zonelists. Total pages: 259969
    Kernel command line: BOOT_IMAGE=Linux ro root=801
    mapped APIC to ffffd000 (fee00000)
    mapped IOAPIC to ffffc000 (fec00000)
    mapped IOAPIC to ffffb000 (fec80000)
    mapped IOAPIC to ffffa000 (fec80800)
    mapped IOAPIC to ffff9000 (fec84000)
    mapped IOAPIC to ffff8000 (fec84800)
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Initializing CPU#0
    PID hash table entries: 4096 (order: 12, 16384 bytes)
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
    Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
    Memory: 1035312k/1048064k available (2004k kernel code, 12104k reserved,
    599k data, 188k init, 130496k highmem)
    virtual kernel memory layout:
    fixmap : 0xfff9d000 - 0xfffff000 ( 392 kB)
    pkmap : 0xff800000 - 0xffc00000 (4096 kB)
    vmalloc : 0xf8800000 - 0xff7fe000 ( 111 MB)
    lowmem : 0xc0000000 - 0xf8000000 ( 896 MB)
    .init : 0xc0391000 - 0xc03c0000 ( 188 kB)
    .data : 0xc02f5100 - 0xc038b074 ( 599 kB)
    .text : 0xc0100000 - 0xc02f5100 (2004 kB)
    Checking if this processor honours the WP bit even in supervisor mode...
    Ok.
    Calibrating delay using timer specific routine.. 6403.81 BogoMIPS
    (lpj=32019099)
    Mount-cache hash table entries: 512
    CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000
    0000641d 00000000 00000001
    monitor/mwait feature present.
    using mwait in idle threads.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 2048K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 20100000 00000000 00003180 0000641d
    00000000 00000001
    Checking 'hlt' instruction... OK.
    Freeing SMP alternatives: 10k freed
    ACPI: Core revision 20060707
    CPU0: Intel(R) Xeon(TM) CPU 3.20GHz stepping 0a
    Booting processor 1/1 eip 2000
    Initializing CPU#1
    Calibrating delay using timer specific routine.. 6400.42 BogoMIPS
    (lpj=32002104)
    CPU: After generic identify, caps: bfebfbff 20100000 00000000 00000000
    0000641d 00000000 00000001
    monitor/mwait feature present.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 2048K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 20100000 00000000 00003180 0000641d
    00000000 00000001
    CPU1: Intel(R) Xeon(TM) CPU 3.20GHz stepping 0a
    Total of 2 processors activated (12804.24 BogoMIPS).
    ENABLING IO-APIC IRQs
    .TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    migration_cost=65
    NET: Registered protocol family 16
    ACPI: bus type pci registered
    PCI: Using MMCONFIG
    PCI: No mmconfig possible on 9:5
    Setting up standard PCI resources
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    ACPI: PCI Root Bridge [PCI0] (0000:00)
    PCI: Probing PCI hardware (bus 00)
    PCI quirk: region f000-f07f claimed by ICH4 ACPI/GPIO/TCO
    PCI quirk: region f180-f1bf claimed by ICH4 GPIO
    PCI: PXH quirk detected, disabling MSI for SHPC device
    PCI: PXH quirk detected, disabling MSI for SHPC device
    Boot video device is 0000:09:05.0
    PCI: Transparent bridge - 0000:00:1e.0
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEA0.DOB0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEA0.DOB2._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEC0.PXH0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEC0.PXH2._PRT]
    ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
    ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0,
    disabled.
    ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0,
    disabled.
    ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0,
    disabled.
    ACPI: PCI Interrupt Link [LNKH] (IRQs 3 *4 5 6 7 9 10 11 12 14 15)
    ACPI: Device [ECP] status [00000008]: functional but not present;
    setting present
    ACPI: Device [COM1] status [00000008]: functional but not present;
    setting present
    SCSI subsystem initialized
    PCI: Using ACPI for IRQ routing
    PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a
    report
    PCI: Bridge: 0000:01:00.0
    IO window: 3000-3fff
    MEM window: de100000-de3fffff
    PREFETCH window: 50000000-501fffff
    PCI: Bridge: 0000:01:00.2
    IO window: 4000-4fff
    MEM window: de400000-de4fffff
    PREFETCH window: 50200000-502fffff
    PCI: Bridge: 0000:00:02.0
    IO window: 3000-4fff
    MEM window: de100000-de4fffff
    PREFETCH window: 50000000-502fffff
    PCI: Bridge: 0000:00:04.0
    IO window: disabled.
    MEM window: de500000-de5fffff
    PREFETCH window: disabled.
    PCI: Bridge: 0000:00:05.0
    IO window: disabled.
    MEM window: de600000-de6fffff
    PREFETCH window: disabled.
    PCI: Bridge: 0000:06:00.0
    IO window: disabled.
    MEM window: disabled.
    PREFETCH window: disabled.
    PCI: Bridge: 0000:06:00.2
    IO window: disabled.
    MEM window: disabled.
    PREFETCH window: disabled.
    PCI: Bridge: 0000:00:06.0
    IO window: disabled.
    MEM window: de700000-de7fffff
    PREFETCH window: disabled.
    PCI: Bridge: 0000:00:1e.0
    IO window: 5000-5fff
    MEM window: de800000-dfffffff
    PREFETCH window: 50300000-503fffff
    ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:00:02.0 to 64
    PCI: Setting latency timer of device 0000:01:00.0 to 64
    PCI: Setting latency timer of device 0000:01:00.2 to 64
    ACPI: PCI Interrupt 0000:00:04.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:00:04.0 to 64
    ACPI: PCI Interrupt 0000:00:05.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:00:05.0 to 64
    ACPI: PCI Interrupt 0000:00:06.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:00:06.0 to 64
    ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:06:00.0 to 64
    ACPI: PCI Interrupt 0000:06:00.2[B] -> GSI 17 (level, low) -> IRQ 17
    PCI: Setting latency timer of device 0000:06:00.2 to 64
    PCI: Setting latency timer of device 0000:00:1e.0 to 64
    NET: Registered protocol family 2
    IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
    TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
    TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
    TCP: Hash tables configured (established 131072 bind 65536)
    TCP reno registered
    Simple Boot Flag at 0x5c set to 0x80
    highmem bounce pool size: 64 pages
    SGI XFS with no debug enabled
    io scheduler noop registered
    io scheduler deadline registered (default)
    Fusion MPT base driver 3.04.03
    Copyright (c) 1999-2007 LSI Logic Corporation
    Fusion MPT SPI Host driver 3.04.03
    ACPI: PCI Interrupt 0000:02:08.0[A] -> GSI 24 (level, low) -> IRQ 18
    mptbase: Initiating ioc0 bringup
    ioc0: 53C1030: Capabilities={Initiator}
    scsi0 : ioc0: LSI53C1030, FwRev=01033000h, Ports=1, MaxQ=222, IRQ=18
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled
    scsi 0:0:0:0: Direct-Access LSILOGIC 1030 IM 1000 PQ: 0
    ANSI: 2
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, resync in progress
    SCSI device sda: 585728000 512-byte hdwr sectors (299893 MB)
    sda: Write Protect is off
    sda: Mode Sense: 03 00 00 08
    SCSI device sda: write cache: disabled, read cache: enabled, doesn't
    support DPO or FUA
    SCSI device sda: 585728000 512-byte hdwr sectors (299893 MB)
    sda: Write Protect is off
    sda: Mode Sense: 03 00 00 08
    SCSI device sda: write cache: disabled, read cache: enabled, doesn't
    support DPO or FUA
    sda: sda1 sda2 < sda5 sda6 sda7 sda8 sda9 >
    sd 0:0:0:0: Attached scsi disk sda
    scsi 0:0:8:0: Processor SDR GEM318P 1 PQ: 0
    ANSI: 2
    target0:0:8: Beginning Domain Validation
    target0:0:8: Ending Domain Validation
    target0:0:8: asynchronous
    scsi 0:1:0:0: Direct-Access HITACHI HUS103030FL3800 SK02 PQ: 0
    ANSI: 3
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, quiesced, resync in
    progress
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 0
    mptbase: ioc0: PhysDisk is now online, quiesced
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 1
    mptbase: ioc0: PhysDisk is now online, out of sync, quiesced
    target0:1:0: Beginning Domain Validation
    target0:1:0: Ending Domain Validation
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, resync in progress
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 0
    mptbase: ioc0: PhysDisk is now online
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 1
    mptbase: ioc0: PhysDisk is now online, out of sync
    target0:1:0: FAST-160 WIDE SCSI 320.0 MB/s DT IU QAS RTI WRFLOW PCOMP
    (6.25 ns, offset 80)
    scsi 0:1:1:0: Direct-Access HITACHI HUS103030FL3800 SK02 PQ: 0
    ANSI: 3
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, quiesced, resync in
    progress
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 0
    mptbase: ioc0: PhysDisk is now online, quiesced
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 1
    mptbase: ioc0: PhysDisk is now online, out of sync, quiesced
    target0:1:1: Beginning Domain Validation
    target0:1:1: Ending Domain Validation
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, resync in progress
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 0
    mptbase: ioc0: PhysDisk is now online
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 1
    mptbase: ioc0: PhysDisk is now online, out of sync
    target0:1:1: FAST-160 WIDE SCSI 320.0 MB/s DT IU QAS RTI WRFLOW PCOMP
    (6.25 ns, offset 80)
    ACPI: PCI Interrupt 0000:02:08.1[B] -> GSI 25 (level, low) -> IRQ 19
    mptbase: Initiating ioc1 bringup
    ioc1: 53C1030: Capabilities={Initiator}
    scsi1 : ioc1: LSI53C1030, FwRev=01033000h, Ports=1, MaxQ=222, IRQ=19
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now degraded, enabled, resync in progress
    serio: i8042 KBD port at 0x60,0x64 irq 1
    serio: i8042 AUX port at 0x60,0x64 irq 12
    mice: PS/2 mouse device common for all mice
    nf_conntrack version 0.5.0 (8188 buckets, 65504 max)
    input: AT Translated Set 2 keyboard as /class/input/input0
    ip_tables: (C) 2000-2006 Netfilter Core Team
    TCP cubic registered
    Initializing XFRM netlink socket
    NET: Registered protocol family 1
    NET: Registered protocol family 17
    NET: Registered protocol family 15
    Starting balanced_irq
    Using IPI Shortcut mode
    Time: tsc clocksource has been installed.
    XFS mounting filesystem sda1
    Ending clean XFS mount for filesystem: sda1
    VFS: Mounted root (xfs filesystem) readonly.
    Freeing unused kernel memory: 188k freed
    Adding 875500k swap on /dev/sda9. Priority:-1 extents:1 across:875500k
    tg3.c:v3.72 (January 8, 2007)
    ACPI: PCI Interrupt 0000:04:00.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:04:00.0 to 64
    eth0: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express)
    10/100/1000Base-T Ethernet 00:30:05:cb:27:c1
    eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] Split[0] WireSpeed[1]
    TSOcap[1]
    eth0: dma_rwctrl[76180000] dma_mask[64-bit]
    ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 16 (level, low) -> IRQ 16
    PCI: Setting latency timer of device 0000:05:00.0 to 64
    eth1: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express)
    10/100/1000Base-T Ethernet 00:30:05:c2:56:0e
    eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[1]
    TSOcap[1]
    eth1: dma_rwctrl[76180000] dma_mask[64-bit]
    Intel(R) PRO/1000 Network Driver - version 7.3.15-k2-NAPI
    Copyright (c) 1999-2006 Intel Corporation.
    ACPI: PCI Interrupt 0000:03:04.0[A] -> GSI 52 (level, low) -> IRQ 20
    e1000: 0000:03:04.0: e1000_probe: (PCI-X:100MHz:64-bit)
    00:04:23:d0:0f:02
    e1000: eth2: e1000_probe: Intel(R) PRO/1000 Network Connection
    XFS mounting filesystem sda5
    Ending clean XFS mount for filesystem: sda5
    XFS mounting filesystem sda6
    Ending clean XFS mount for filesystem: sda6
    XFS mounting filesystem sda7
    Ending clean XFS mount for filesystem: sda7
    XFS mounting filesystem sda8
    Ending clean XFS mount for filesystem: sda8
    PM: Writing back config space on device 0000:04:00.0 at offset c (was
    1d220000, writing 0)
    PM: Writing back config space on device 0000:05:00.0 at offset c (was
    90680000, writing 0)
    e1000: eth2: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
    tg3: eth1: Link is up at 100 Mbps, full duplex.
    tg3: eth1: Flow control is off for TX and off for RX.
    tg3: eth0: Link is up at 10 Mbps, full duplex.
    tg3: eth0: Flow control is off for TX and off for RX.
    mptbase: ioc0: RAID STATUS CHANGE for PhysDisk 1
    mptbase: ioc0: PhysDisk is now online
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now optimal, enabled, resync in progress
    mptbase: ioc0: RAID STATUS CHANGE for VolumeID 0
    mptbase: ioc0: volume is now optimal, enabled
    BUG: unable to handle kernel paging request at virtual address a0814e49
    printing eip:
    c013c22d
    *pde = 00000000
    Oops: 0000 [#1]
    SMP
    Modules linked in: nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp
    nf_conntrack_proto_gre nf_nat_ftp nf_conntrack_ftp e1000 tg3
    CPU: 0
    EIP: 0060:[<c013c22d>] Not tainted VLI
    EFLAGS: 00010082 (2.6.20 #1)
    EIP is at find_lock_page+0x39/0x9c
    eax: a0814e49 ebx: a0814e49 ecx: fffffffa edx: a0814e49
    esi: f7e28694 edi: f7e286a4 ebp: 01e452a8 esp: eb585b38
    ds: 007b es: 007b ss: 0068
    Process squid (pid: 29819, ti=eb584000 task=c1969550 task.ti=eb584000)
    Stack: f7e28698 00000000 f4f96380 00000250 01e452a8 c013c2c7 00000250
    f7e28694
    c1330ce0 f4f96380 00001000 00000000 c01e8caf c01e8a0a f4f96380
    f7ed37f4
    00000001 c03bee20 c03bee20 00000000 01e452a7 00010001 00000250
    00001000
    Call Trace:
    [<c013c2c7>] find_or_create_page+0x37/0x8e
    [<c01e8caf>] _xfs_buf_lookup_pages+0x132/0x2ea
    [<c01e8a0a>] _xfs_buf_initialize+0xc8/0xf6
    [<c01e91a0>] xfs_buf_get_flags+0xf8/0x11d
    [<c01e91e1>] xfs_buf_read_flags+0x1c/0x7f
    [<c01db071>] xfs_trans_read_buf+0x16a/0x34f
    [<c01c1a3f>] xfs_itobp+0x7c/0x242
    [<c01c2e8b>] xfs_iread+0x68/0x1d3
    [<c01b5835>] xfs_dir2_leaf_lookup+0xd8/0xe2
    [<c01c0a4a>] xfs_iget_core+0xe7/0x687
    [<c01c10c2>] xfs_iget+0xd8/0x150
    [<c01dc156>] xfs_dir_lookup_int+0x98/0x10e
    [<c01e1ad8>] xfs_lookup+0x5a/0x90
    [<c01ed58f>] xfs_vn_lookup+0x52/0x93
    [<c015e88c>] real_lookup+0xbb/0x116
    [<c015eb02>] do_lookup+0x90/0xc2
    [<c01ed53d>] xfs_vn_lookup+0x0/0x93
    [<c015f25b>] __link_path_walk+0x727/0xcf1
    [<c015f863>] link_path_walk+0x3e/0xac
    [<c0157457>] get_unused_fd+0x2e/0xb6
    [<c015fb9f>] do_path_lookup+0x11a/0x1ba
    [<c015fca7>] __path_lookup_intent_open+0x50/0x90
    [<c015fd07>] path_lookup_open+0x20/0x25
    [<c01604e3>] open_namei+0x7a/0x550
    [<c01489ec>] do_wp_page+0x20e/0x3e8
    [<c01572d2>] do_filp_open+0x2e/0x5b
    [<c0157457>] get_unused_fd+0x2e/0xb6
    [<c01575c5>] do_sys_open+0x4e/0xdb
    [<c015766e>] sys_open+0x1c/0x20
    [<c0102c24>] syscall_call+0x7/0xb
    =======================
    Code: 89 c6 89 f8 89 6c 24 10 89 5c 24 04 89 d5 e8 85 80 1b 00 8d 46 04
    89 04 24 89 ea 8b 04 24 e8 6d ea 0c 00 85 c0 89 c3 74 35 89 c2 <8b> 00
    f6 c4 40 75 57 f0 ff 42 04 f0 0f ba 2b 00 19 c0 85 c0 74
    EIP: [<c013c22d>] find_lock_page+0x39/0x9c SS:ESP 0068:eb585b38

    This this the output from:

    dmesg | ksymoops

    ksymoops 2.4.11 on i686 2.6.20. Options used
    -V (default)
    -k /proc/ksyms (default)
    -l /proc/modules (default)
    -o /lib/modules/2.6.20/ (default)
    -m /usr/src/linux/System.map (default)

    Warning: You did not tell me where to find symbol information. I will
    assume that the log matches the kernel and modules that are running
    right now and I'll use the default options above for symbol resolution.
    If the current kernel and/or modules do not match the log, you can get
    more accurate output by telling me the kernel version and where to find
    map, modules, ksyms etc. ksymoops -h explains the options.

    Error (regular_file): read_ksyms stat /proc/ksyms failed
    No modules in ksyms, skipping objects
    No ksyms, skipping lsmod
    ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    SGI XFS with no debug enabled
    e1000: 0000:03:04.0: e1000_probe: (PCI-X:100MHz:64-bit)
    00:04:23:d0:0f:02
    e1000: eth2: e1000_probe: Intel(R) PRO/1000 Network Connection
    e1000: eth2: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex
    BUG: unable to handle kernel paging request at virtual address a0814e49
    c013c22d
    *pde = 00000000
    Oops: 0000 [#1]
    CPU: 0
    EIP: 0060:[<c013c22d>] Not tainted VLI
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010082 (2.6.20 #1)
    eax: a0814e49 ebx: a0814e49 ecx: fffffffa edx: a0814e49
    esi: f7e28694 edi: f7e286a4 ebp: 01e452a8 esp: eb585b38
    ds: 007b es: 007b ss: 0068
    Stack: f7e28698 00000000 f4f96380 00000250 01e452a8 c013c2c7 00000250
    f7e28694
    c1330ce0 f4f96380 00001000 00000000 c01e8caf c01e8a0a f4f96380
    f7ed37f4
    00000001 c03bee20 c03bee20 00000000 01e452a7 00010001 00000250
    00001000
    Call Trace:
    [<c013c2c7>] find_or_create_page+0x37/0x8e
    [<c01e8caf>] _xfs_buf_lookup_pages+0x132/0x2ea
    [<c01e8a0a>] _xfs_buf_initialize+0xc8/0xf6
    [<c01e91a0>] xfs_buf_get_flags+0xf8/0x11d
    [<c01e91e1>] xfs_buf_read_flags+0x1c/0x7f
    [<c01db071>] xfs_trans_read_buf+0x16a/0x34f
    [<c01c1a3f>] xfs_itobp+0x7c/0x242
    [<c01c2e8b>] xfs_iread+0x68/0x1d3
    [<c01b5835>] xfs_dir2_leaf_lookup+0xd8/0xe2
    [<c01c0a4a>] xfs_iget_core+0xe7/0x687
    [<c01c10c2>] xfs_iget+0xd8/0x150
    [<c01dc156>] xfs_dir_lookup_int+0x98/0x10e
    [<c01e1ad8>] xfs_lookup+0x5a/0x90
    [<c01ed58f>] xfs_vn_lookup+0x52/0x93
    [<c015e88c>] real_lookup+0xbb/0x116
    [<c015eb02>] do_lookup+0x90/0xc2
    [<c01ed53d>] xfs_vn_lookup+0x0/0x93
    [<c015f25b>] __link_path_walk+0x727/0xcf1
    [<c015f863>] link_path_walk+0x3e/0xac
    [<c0157457>] get_unused_fd+0x2e/0xb6
    [<c015fb9f>] do_path_lookup+0x11a/0x1ba
    [<c015fca7>] __path_lookup_intent_open+0x50/0x90
    [<c015fd07>] path_lookup_open+0x20/0x25
    [<c01604e3>] open_namei+0x7a/0x550
    [<c01489ec>] do_wp_page+0x20e/0x3e8
    [<c01572d2>] do_filp_open+0x2e/0x5b
    [<c0157457>] get_unused_fd+0x2e/0xb6
    [<c01575c5>] do_sys_open+0x4e/0xdb
    [<c015766e>] sys_open+0x1c/0x20
    [<c0102c24>] syscall_call+0x7/0xb
    Code: 89 c6 89 f8 89 6c 24 10 89 5c 24 04 89 d5 e8 85 80 1b 00 8d 46 04
    89 04 24 89 ea 8b 04 24 e8 6d ea 0c 00 85 c0 89 c3 74 35 89 c2 <8b> 00
    f6 c4 40 75 57 f0 ff 42 04 f0 0f ba 2b 00 19 c0 85 c0 74


    >>EIP; c013c22d <find_lock_page+39/9c> <=====

    >>eax; a0814e49 <phys_startup_32+a0714e49/c0000000>
    >>ebx; a0814e49 <phys_startup_32+a0714e49/c0000000>
    >>edx; a0814e49 <phys_startup_32+a0714e49/c0000000>
    >>ebp; 01e452a8 <phys_startup_32+1d452a8/c0000000>

    Trace; c013c2c7 <find_or_create_page+37/8e>
    Trace; c01e8caf <_xfs_buf_lookup_pages+132/2ea>
    Trace; c01e8a0a <_xfs_buf_initialize+c8/f6>
    Trace; c01e91a0 <xfs_buf_get_flags+f8/11d>
    Trace; c01e91e1 <xfs_buf_read_flags+1c/7f>
    Trace; c01db071 <xfs_trans_read_buf+16a/34f>
    Trace; c01c1a3f <xfs_itobp+7c/242>
    Trace; c01c2e8b <xfs_iread+68/1d3>
    Trace; c01b5835 <xfs_dir2_leaf_lookup+d8/e2>
    Trace; c01c0a4a <xfs_iget_core+e7/687>
    Trace; c01c10c2 <xfs_iget+d8/150>
    Trace; c01dc156 <xfs_dir_lookup_int+98/10e>
    Trace; c01e1ad8 <xfs_lookup+5a/90>
    Trace; c01ed58f <xfs_vn_lookup+52/93>
    Trace; c015e88c <real_lookup+bb/116>
    Trace; c015eb02 <do_lookup+90/c2>
    Trace; c01ed53d <xfs_vn_lookup+0/93>
    Trace; c015f25b <__link_path_walk+727/cf1>
    Trace; c015f863 <link_path_walk+3e/ac>
    Trace; c0157457 <get_unused_fd+2e/b6>
    Trace; c015fb9f <do_path_lookup+11a/1ba>
    Trace; c015fca7 <__path_lookup_intent_open+50/90>
    Trace; c015fd07 <path_lookup_open+20/25>
    Trace; c01604e3 <open_namei+7a/550>
    Trace; c01489ec <do_wp_page+20e/3e8>
    Trace; c01572d2 <do_filp_open+2e/5b>
    Trace; c0157457 <get_unused_fd+2e/b6>
    Trace; c01575c5 <do_sys_open+4e/db>
    Trace; c015766e <sys_open+1c/20>
    Trace; c0102c24 <syscall_call+7/b>

    This architecture has variable length instructions, decoding before eip
    is unreliable, take these instructions with a pinch of salt.

    Code; c013c202 <find_lock_page+e/9c>
    00000000 <_EIP>:
    Code; c013c202 <find_lock_page+e/9c>
    0: 89 c6 mov %eax,%esi
    Code; c013c204 <find_lock_page+10/9c>
    2: 89 f8 mov %edi,%eax
    Code; c013c206 <find_lock_page+12/9c>
    4: 89 6c 24 10 mov %ebp,0x10(%esp)
    Code; c013c20a <find_lock_page+16/9c>
    8: 89 5c 24 04 mov %ebx,0x4(%esp)
    Code; c013c20e <find_lock_page+1a/9c>
    c: 89 d5 mov %edx,%ebp
    Code; c013c210 <find_lock_page+1c/9c>
    e: e8 85 80 1b 00 call 1b8098 <_EIP+0x1b8098>
    Code; c013c215 <find_lock_page+21/9c>
    13: 8d 46 04 lea 0x4(%esi),%eax
    Code; c013c218 <find_lock_page+24/9c>
    16: 89 04 24 mov %eax,(%esp)
    Code; c013c21b <find_lock_page+27/9c>
    19: 89 ea mov %ebp,%edx
    Code; c013c21d <find_lock_page+29/9c>
    1b: 8b 04 24 mov (%esp),%eax
    Code; c013c220 <find_lock_page+2c/9c>
    1e: e8 6d ea 0c 00 call cea90 <_EIP+0xcea90>
    Code; c013c225 <find_lock_page+31/9c>
    23: 85 c0 test %eax,%eax
    Code; c013c227 <find_lock_page+33/9c>
    25: 89 c3 mov %eax,%ebx
    Code; c013c229 <find_lock_page+35/9c>
    27: 74 35 je 5e <_EIP+0x5e>
    Code; c013c22b <find_lock_page+37/9c>
    29: 89 c2 mov %eax,%edx

    This decode from eip onwards should be reliable

    Code; c013c22d <find_lock_page+39/9c>
    00000000 <_EIP>:
    Code; c013c22d <find_lock_page+39/9c> <=====
    0: 8b 00 mov (%eax),%eax <=====
    Code; c013c22f <find_lock_page+3b/9c>
    2: f6 c4 40 test $0x40,%ah
    Code; c013c232 <find_lock_page+3e/9c>
    5: 75 57 jne 5e <_EIP+0x5e>
    Code; c013c234 <find_lock_page+40/9c>
    7: f0 ff 42 04 lock incl 0x4(%edx)
    Code; c013c238 <find_lock_page+44/9c>
    b: f0 0f ba 2b 00 lock btsl $0x0,(%ebx)
    Code; c013c23d <find_lock_page+49/9c>
    10: 19 c0 sbb %eax,%eax
    Code; c013c23f <find_lock_page+4b/9c>
    12: 85 c0 test %eax,%eax
    Code; c013c241 <find_lock_page+4d/9c>
    14: 74 .byte 0x74

    EIP: [<c013c22d>] find_lock_page+0x39/0x9c SS:ESP 0068:eb585b38
    Warning (Oops_read): Code line not seen, dumping what data is available


    >>EIP; c013c22d <find_lock_page+39/9c> <=====


    2 warnings and 1 error issued. Results may not be reliable.


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