PROBLEM: kjournald Oops in 2.6.8

From: Guy Albertelli II (guy_at_albertelli.com)
Date: 09/14/04

  • Next message: Dave Jones: "Re: [PATCH] README (resend) - Explain new 2.6.xx.x version number"
    To: linux-kernel@vger.kernel.org
    Date:	Tue, 14 Sep 2004 12:54:03 -0400 (EDT)
    
    

    Hi,

    1.
       Kernel Oops in kjournald

    2.
       Server hung while under heavy load, upon reboot an Ooops was found
       in the logs
       - the main filesystem is ext3 on a Dell PowerEdge RAID Controller 3/DC
            using the megaraid driver
       - The particular build of the kernel is the Fedora Core 2
            2.6.8-1.512smp kernel.

    3.
       Oops, kjournald

    4.
       Linux version 2.6.8-1.521smp (bhcompile@tweety.build.redhat.com) (gcc version 3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 SMP Mon Aug 16 09:25:06 EDT 2004

    5.
    Sep 13 20:55:00 s10 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004
    Sep 13 20:55:00 s10 kernel: printing eip:
    Sep 13 20:55:00 s10 kernel: f8861407
    Sep 13 20:55:00 s10 kernel: *pde = 00003001
    Sep 13 20:55:00 s10 kernel: Oops: 0002 [#1]
    Sep 13 20:55:00 s10 kernel: SMP
    Sep 13 20:55:00 s10 kernel: Modules linked in: ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables md5 ipv6 parport_pc lp parport autofs4 sunrpc tg3 floppy sg microcode st dm_mod ohci_hcd button battery asus_acpi ac ext3 jbd megaraid aic7xxx sd_mod scsi_mod
    Sep 13 20:55:00 s10 kernel: CPU: 2
    Sep 13 20:55:00 s10 kernel: EIP: 0060:[<f8861407>] Not tainted
    Sep 13 20:55:00 s10 kernel: EFLAGS: 00010202 (2.6.8-1.521smp)
    Sep 13 20:55:00 s10 kernel: EIP is at journal_commit_transaction+0x70c/0x13f7 [jbd]
    Sep 13 20:55:00 s10 kernel: eax: 211da6ec ebx: 00000000 ecx: 0196a980 edx: 00000000
    Sep 13 20:55:00 s10 kernel: esi: 211da6ec edi: e1f03a00 ebp: e1e38780 esp: e0aadda0
    Sep 13 20:55:00 s10 kernel: ds: 007b es: 007b ss: 0068
    Sep 13 20:55:00 s10 kernel: Process kjournald (pid: 1138, threadinfo=e0aad000 task=e0839370)
    Sep 13 20:55:00 s10 kernel: Stack: 00000000 00000000 00000000 00000000 00000000 2c5d1a7c e1f03a00 5511ddac
    Sep 13 20:55:00 s10 kernel: 00000359 00000002 e0aade14 0211c589 000001f6 00000000 00000002 00000230
    Sep 13 20:55:00 s10 kernel: 0000015f 00000280 00000000 00000075 0240d1b8 0240d1d0 00000000 e0839370
    Sep 13 20:55:00 s10 kernel: Call Trace:
    Sep 13 20:55:00 s10 kernel: [<0211c589>] find_busiest_group+0xe6/0x2b7
    Sep 13 20:55:00 s10 kernel: [<0211ebdc>] autoremove_wake_function+0x0/0x2d
    Sep 13 20:55:00 s10 kernel: [<0211ebdc>] autoremove_wake_function+0x0/0x2d
    Sep 13 20:55:00 s10 kernel: [<f886418f>] kjournald+0x10d/0x326 [jbd]
    Sep 13 20:55:00 s10 kernel: [<0211ebdc>] autoremove_wake_function+0x0/0x2d
    Sep 13 20:55:00 s10 kernel: [<0211ebdc>] autoremove_wake_function+0x0/0x2d

    6.
    Only happened once so far.

    7.1 ver_linux
    If some fields are empty or look unusual you may have an old version.
    Compare to the current minimal requirements in Documentation/Changes.

    Linux s10.lite.msu.edu 2.6.8-1.521smp #1 SMP Mon Aug 16 09:25:06 EDT 2004 i686 i686 i386 GNU/Linux

    Gnu C 3.3.3
    Gnu make 3.80
    binutils 2.15.90.0.3
    util-linux 2.12
    mount 2.12
    module-init-tools 2.4.26
    e2fsprogs 1.35
    pcmcia-cs 3.2.7
    quota-tools 3.10.
    PPP 2.4.2
    isdn4k-utils 3.3
    nfs-utils 1.0.6
    Linux C Library 2.3.3
    Dynamic linker (ldd) 2.3.3
    Procps 3.2.0
    Net-tools 1.60
    Kbd 1.12
    Sh-utils 5.2.1
    Modules Loaded md5 ipv6 parport_pc lp parport autofs4 sunrpc tg3 ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables floppy sg microcode st dm_mod ohci_hcd button battery asus_acpi ac ext3 jbd megaraid aic7xxx sd_mod scsi_mod

    7.2 /proc/cpuinfo
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 0
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2932.73

    processor : 1
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 0
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2981.88

    processor : 2
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 1
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    processor : 3
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 1
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    processor : 4
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 2
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    processor : 5
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 2
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    processor : 6
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 3
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    processor : 7
    vendor_id : GenuineIntel
    cpu family : 15
    model : 2
    model name : Intel(R) XEON(TM) MP CPU 1.50GHz
    stepping : 2
    cpu MHz : 1492.645
    cache size : 512 KB
    physical id : 3
    siblings : 2
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
    bogomips : 2973.69

    7.3 /proc/modules
    md5 7745 1 - Live 0xf8a27000
    ipv6 233701 36 - Live 0xf8b0f000
    parport_pc 24577 0 - Live 0xf8a88000
    lp 12461 0 - Live 0xf8a83000
    parport 36489 2 parport_pc,lp, Live 0xf8a90000
    autofs4 20165 0 - Live 0xf89f3000
    sunrpc 128805 1 - Live 0xf8aa8000
    tg3 79045 0 - Live 0xf8a5d000
    ipt_REJECT 8897 1 - Live 0xf8a23000
    ipt_state 5569 8 - Live 0xf8a20000
    ip_conntrack 30929 1 ipt_state, Live 0xf8a2b000
    iptable_filter 6209 1 - Live 0xf8876000
    ip_tables 18497 3 ipt_REJECT,ipt_state,iptable_filter, Live 0xf89fa000
    floppy 54481 0 - Live 0xf88a6000
    sg 33377 0 - Live 0xf89e9000
    microcode 10209 0 - Live 0xf8872000
    st 34653 0 - Live 0xf89df000
    dm_mod 49477 0 - Live 0xf88b6000
    ohci_hcd 22097 0 - Live 0xf887a000
    button 8793 0 - Live 0xf886e000
    battery 11085 0 - Live 0xf8825000
    asus_acpi 13017 0 - Live 0xf8832000
    ac 7373 0 - Live 0xf8829000
    ext3 99497 3 - Live 0xf88c4000
    jbd 58457 1 ext3, Live 0xf885e000
    megaraid 38153 4 - Live 0xf8853000
    aic7xxx 145145 0 - Live 0xf8881000
    sd_mod 20801 5 - Live 0xf881e000
    scsi_mod 102025 5 sg,st,megaraid,aic7xxx,sd_mod, Live 0xf8839000

    7.4 /proc/ioports
    0000-001f : dma1
    0020-0021 : pic1
    0040-005f : timer
    0060-006f : keyboard
    0070-0077 : rtc
    0080-008f : dma page reg
    00a0-00a1 : pic2
    00c0-00df : dma2
    00f0-00ff : fpu
    01f0-01f7 : ide0
    03c0-03df : vga+
    03f6-03f6 : ide0
    03f8-03ff : serial
    08b0-08bf : 0000:00:0f.1
      08b0-08b7 : ide0
      08b8-08bf : ide1
    0cf8-0cff : PCI conf1
    9cf0-9cff : 0000:10:01.0
    d000-dfff : PCI Bus #04
      dc00-dcff : 0000:04:01.0
    e800-e8ff : 0000:00:04.0
    ec00-ecff : 0000:00:03.0

    /proc/iomem
    00000000-0009ffff : System RAM
    000a0000-000bffff : Video RAM area
    000c0000-000c7fff : Video ROM
    000c8000-000c93ff : Adapter ROM
    000f0000-000fffff : System ROM
    00100000-dffeffff : System RAM
      00100000-002d9fff : Kernel code
      002da000-003922ff : Kernel data
    dfff0000-dfffebff : ACPI Tables
    dfffec00-dfffefff : reserved
    ee800000-ee800fff : 0000:10:01.0
    eff00000-eff0ffff : 0000:0a:02.0
      eff00000-eff0ffff : tg3
    eff10000-eff1ffff : 0000:0a:01.0
      eff10000-eff1ffff : tg3
    f0000000-f7ffffff : PCI Bus #04
      f0000000-f7ffffff : PCI Bus #05
        f0000000-f7ffffff : 0000:05:00.0
          f0000000-f000007f : megaraid
    fcd00000-fcffffff : PCI Bus #04
      fcdff000-fcdfffff : 0000:04:01.0
      fcf00000-fcffffff : PCI Bus #05
    fd000000-fdffffff : 0000:00:04.0
    fe100000-fe100fff : 0000:00:0f.2
      fe100000-fe100fff : ohci_hcd
    fe101000-fe101fff : 0000:00:04.0
    fe102000-fe102fff : 0000:00:03.0
      fe102000-fe102fff : aic7xxx
    fec00000-fec0ffff : reserved
    fee00000-fee0ffff : reserved
    fff80000-ffffffff : reserved

    7.5 lspci -vvv

    00:00.0 Host bridge: ServerWorks CMIC-HE (rev 22)
            Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

    00:00.1 Host bridge: ServerWorks CMIC-HE
            Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

    00:00.2 Host bridge: ServerWorks CMIC-HE
            Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

    00:00.3 Host bridge: ServerWorks CMIC-HE
            Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

    00:03.0 SCSI storage controller: Adaptec AIC-7892P U160/m (rev 02)
            Subsystem: Dell Computer Corporation: Unknown device 0109
            Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (10000ns min, 6250ns max), Cache Line Size 10
            Interrupt: pin A routed to IRQ 177
            BIST result: 00
            Region 0: I/O ports at ec00 [disabled] [size=fe000000]
            Region 1: Memory at fe102000 (64-bit, non-prefetchable) [size=4K]
            Expansion ROM at 00020000 [disabled]
            Capabilities: [dc] Power Management version 2
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-

    00:04.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) (prog-if 00 [VGA])
            Subsystem: Dell Computer Corporation: Unknown device 0109
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop+ ParErr- Stepping+ SERR- FastB2B-
            Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (2000ns min), Cache Line Size 10
            Region 0: Memory at fd000000 (32-bit, non-prefetchable)
            Region 1: I/O ports at e800 [size=256]
            Region 2: Memory at fe101000 (32-bit, non-prefetchable) [size=4K]
            Capabilities: [5c] Power Management version 2
                    Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-

    00:0f.0 Host bridge: ServerWorks CSB5 South Bridge (rev 93)
            Subsystem: ServerWorks CSB5 South Bridge
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Latency: 64

    00:0f.1 IDE interface: ServerWorks CSB5 IDE Controller (rev 93) (prog-if 82 [Master PriP])
            Subsystem: ServerWorks CSB5 IDE Controller
            Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 64
            Region 0: I/O ports at <ignored>
            Region 1: I/O ports at <ignored>
            Region 2: I/O ports at <ignored>
            Region 3: I/O ports at <ignored>
            Region 4: I/O ports at 08b0 [size=16]

    00:0f.2 USB Controller: ServerWorks OSB4/CSB5 OHCI USB Controller (rev 05) (prog-if 10 [OHCI])
            Subsystem: ServerWorks OSB4/CSB5 OHCI USB Controller
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (20000ns max)
            Interrupt: pin A routed to IRQ 10
            Region 0: Memory at fe100000 (32-bit, non-prefetchable)

    00:0f.3 ISA bridge: ServerWorks CSB5 LPC bridge
            Subsystem: ServerWorks: Unknown device 0230
            Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 0

    00:10.0 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    00:10.2 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    00:11.0 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    00:11.2 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort+ <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    00:12.0 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    00:12.2 Host bridge: ServerWorks CIOB30 (rev 03)
            Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
            Capabilities: [60] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=4
                    Status: Bus=0 Dev=0 Func=0 64bit+ 133MHz+ SCD- USC-, DC=bridge, DMMRBC=0, DMOST=4, DMCRS=0, RSCEM-

    03:01.0 PCI bridge: Intel Corp. 21154 PCI-to-PCI Bridge (prog-if 00 [Normal decode])
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32
            Bus: primary=03, secondary=04, subordinate=05, sec-latency=32
            I/O behind bridge: 0000d000-0000dfff
            Memory behind bridge: fcd00000-fcffffff
            Prefetchable memory behind bridge: 00000000f0000000-00000000f7f00000
            Expansion ROM at 0000d000 [disabled] [size=4K]
            BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
            Capabilities: [dc] Power Management version 1
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-
                    Bridge: PM- B3+

    04:00.0 PCI bridge: Intel Corp. 21154 PCI-to-PCI Bridge (prog-if 00 [Normal decode])
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32
            Bus: primary=04, secondary=05, subordinate=05, sec-latency=32
            I/O behind bridge: 0000f000-00000fff
            Memory behind bridge: fcf00000-fcffffff
            Prefetchable memory behind bridge: 00000000f0000000-00000000f7f00000
            BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
            Capabilities: [dc] Power Management version 1
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-
                    Bridge: PM- B3+

    04:01.0 SCSI storage controller: QLogic Corp. ISP12160 Dual Channel Ultra3 SCSI Processor (rev 06)
            Subsystem: American Megatrends Inc. QLA12160 on AMI MegaRAID
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (16000ns min), Cache Line Size 10
            Interrupt: pin A routed to IRQ 185
            Region 0: I/O ports at dc00 [size=fce00000]
            Region 1: Memory at fcdff000 (32-bit, non-prefetchable) [size=4K]
            Expansion ROM at 00020000 [disabled]
            Capabilities: [44] Power Management version 1
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-

    05:00.0 RAID bus controller: American Megatrends Inc. MegaRAID (rev 20)
            Subsystem: Dell Computer Corporation PowerEdge RAID Controller 3/DC
            Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32, Cache Line Size 10
            Interrupt: pin A routed to IRQ 193
            Region 0: Memory at f0000000 (32-bit, prefetchable) [size=fcf00000]
            Expansion ROM at 00010000 [disabled]
            Capabilities: [80] Power Management version 2
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=0 PME-

    0a:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5700 Gigabit Ethernet (rev 14)
            Subsystem: Dell Computer Corporation Broadcom BCM5700 1000Base-T
            Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (16000ns min), Cache Line Size 10
            Interrupt: pin A routed to IRQ 201
            Region 0: Memory at eff10000 (64-bit, non-prefetchable)
            Capabilities: [40] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=0
                    Status: Bus=255 Dev=31 Func=1 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=0, DMOST=0, DMCRS=0, RSCEM-
            Capabilities: [48] Power Management version 2
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=1 PME-
            Capabilities: [50] Vital Product Data
            Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable-
                    Address: 04a02432c8020268 Data: 8901

    0a:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5700 Gigabit Ethernet (rev 14)
            Subsystem: Dell Computer Corporation Broadcom BCM5700 1000Base-T
            Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32 (16000ns min), Cache Line Size 10
            Interrupt: pin A routed to IRQ 209
            Region 0: Memory at eff00000 (64-bit, non-prefetchable)
            Capabilities: [40] PCI-X non-bridge device.
                    Command: DPERE- ERO- RBC=0 OST=0
                    Status: Bus=255 Dev=31 Func=1 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=0, DMOST=0, DMCRS=0, RSCEM-
            Capabilities: [48] Power Management version 2
                    Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
                    Status: D0 PME-Enable- DSel=0 DScale=1 PME-
            Capabilities: [50] Vital Product Data
            Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable-
                    Address: 66e27013323b4b3c Data: d614

    10:01.0 Modem: Broadcom Corporation BCM4212 v.90 56k modem (rev 02) (prog-if 00 [Generic])
            Subsystem: Dell Computer Corporation: Unknown device 0001
            Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
            Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort+ <TAbort- <MAbort- >SERR- <PERR-
            Latency: 32
            Interrupt: pin A routed to IRQ 217
            Region 0: Memory at ee800000 (32-bit, non-prefetchable)
            Region 1: I/O ports at 9cf0 [size=16]
            Capabilities: [40] Power Management version 2
                    Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=55mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
                    Status: D0 PME-Enable- DSel=0 DScale=2 PME-

    7.6 /proc/scsi/scsi
    Attached devices:
    Host: scsi0 Channel: 00 Id: 06 Lun: 00
      Vendor: QUANTUM Model: SDLT320 Rev: 3131
      Type: Sequential-Access ANSI SCSI revision: 02
    Host: scsi1 Channel: 00 Id: 00 Lun: 00
      Vendor: MegaRAID Model: LD 0 RAID5 173G Rev: 196T
      Type: Direct-Access ANSI SCSI revision: 02
    Host: scsi1 Channel: 04 Id: 06 Lun: 00
      Vendor: PE/PV Model: 1x8 SCSI BP Rev: 1.1
      Type: Processor ANSI SCSI revision: 02

    -- 
    guy@albertelli.com  LON-CAPA Developer  0-7-3-4-
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