Help Please: Network Down

From: Marc Shapiro (mshapiro_at_sunlitsurf.com)
Date: 04/24/05

  • Next message: Michael Marsh: "Re: Thesis/Dissertation authoring application" 
    To: debian-user-digest@lists.debian.org
Date: Sun, 24 Apr 2005 12:42:21 -400

    As of yesterday (April 24) my home network has stopped working. It WAS working the day before. I am running Sarge and I did do an upgrade. I don't remember seeing anything that I would expect to affect the network, but I also don't remember just what it did say was being upgraded.

    I am no longer able to ssh between my two boxes.

    Although my gateway box will dial in to my ISP if I access it directly, it does not pass anything on to my desktop box.

    The gateway box is running Woody and has not been upgraded within the timeframe of this problem.

    Has anyone else had this problem?

    Any ideas on how to fix this will be appreciated. I am sending this from a Windows laptop and would like to get back to my desktop machine.

    The error that I receive from ssh, /etc/hosts, and output from dmesg from my desktop box follow:

    mns@xander:~$ ssh mareschal
    ssh: connect to host mareschal port 22: No route to host
    mns@xander:~$

    --------------

    mns@xander:/etc$ cat hosts
    127.0.0.1 local.net xander localhost loopback
    192.168.0.1 mareschal
    192.168.0.2 alexander
    192.168.0.3 xander

    # The following lines are desirable for IPv6 capable hosts
    # (added automatically by netbase upgrade)

    ::1 ip6-localhost ip6-loopback
    fe00::0 ip6-localnet
    ff00::0 ip6-mcastprefix
    ff02::1 ip6-allnodes
    ff02::2 ip6-allrouters
    ff02::3 ip6-allhosts

    ------------

    mns@xander:~$ dmesg
    Linux version 2.6.7-1-k7 (dilinger@toaster.hq.voxel.net) (gcc version 3.3.4 (Debian 1:3.3.4-2)) #1 Thu Jul 8 06:45:35 EDT 2004
    BIOS-provided physical RAM map:
     BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
     BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
     BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
     BIOS-e820: 0000000000100000 - 000000000dfd0000 (usable)
     BIOS-e820: 000000000dfd0000 - 000000000dfdf000 (ACPI data)
     BIOS-e820: 000000000dfdf000 - 000000000e000000 (ACPI NVS)
     BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
    0MB HIGHMEM available.
    223MB LOWMEM available.
    found SMP MP-table at 000ff780
    On node 0 totalpages: 57296
      DMA zone: 4096 pages, LIFO batch:1
      Normal zone: 53200 pages, LIFO batch:12
      HighMem zone: 0 pages, LIFO batch:1
    DMI 2.3 present.
    ACPI: RSDP (v000 ACPIAM ) @ 0x000f66e0
    ACPI: RSDT (v001 A M I OEMRSDT 0x01000415 MSFT 0x00000097) @ 0x0dfd0000
    ACPI: FADT (v002 A M I OEMFACP 0x01000415 MSFT 0x00000097) @ 0x0dfd0200
    ACPI: MADT (v001 A M I OEMAPIC 0x01000415 MSFT 0x00000097) @ 0x0dfd0390
    ACPI: OEMB (v001 A M I AMI_OEM 0x01000415 MSFT 0x00000097) @ 0x0dfdf040
    ACPI: DSDT (v001 M863 M863G 0x00000000 INTL 0x02002026) @ 0x00000000
    ACPI: PM-Timer IO Port: 0x808
    ACPI: Local APIC address 0xfee00000
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
    Processor #0 6:8 APIC version 16
    ACPI: IOAPIC (id[0x01] address[0xfec00000] global_irq_base[0x0])
    IOAPIC[0]: Assigned apic_id 1
    IOAPIC[0]: apic_id 1, version 2, address 0xfec00000, GSI 0-23
    ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Built 1 zonelists
    Kernel command line: BOOT_IMAGE=Sarge ro root=305
    Initializing CPU#0
    PID hash table entries: 1024 (order 10: 8192 bytes)
    Detected 2000.666 MHz processor.
    Using pmtmr for high-res timesource
    Console: colour VGA+ 80x25
    Memory: 219628k/229184k available (1500k kernel code, 8860k reserved, 668k data, 148k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Calibrating delay loop... 3973.12 BogoMIPS
    Security Scaffold v1.0.0 initialized
    Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
    Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
    Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
    CPU: After generic identify, caps: 0383fbff c1c3fbff 00000000 00000000
    CPU: After vendor identify, caps: 0383fbff c1c3fbff 00000000 00000000
    CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
    CPU: L2 Cache: 256K (64 bytes/line)
    CPU: After all inits, caps: 0383fbff c1c3fbff 00000000 00000020
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    CPU: AMD Athlon(tm) XP 2400+ stepping 01
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Checking 'hlt' instruction... OK.
    enabled ExtINT on CPU#0
    ESR value before enabling vector: 00000000
    ESR value after enabling vector: 00000000
    ENABLING IO-APIC IRQs
    init IO_APIC IRQs
     IO-APIC (apicid-pin) 1-0, 1-16, 1-17, 1-18, 1-19, 1-20, 1-21, 1-22, 1-23 not connected.
    ..TIMER: vector=0x31 pin1=2 pin2=-1
    Using local APIC timer interrupts.
    calibrating APIC timer ...
    ..... CPU clock speed is 1999.0700 MHz.
    ..... host bus clock speed is 266.0626 MHz.
    checking if image is initramfs...it isn't (ungzip failed); looks like an initrd Freeing initrd memory: 4476k freed
    NET: Registered protocol family 16
    PCI: PCI BIOS revision 2.10 entry at 0xf0031, last bus=1
    mtrr: v2.0 (20020519)
    ACPI: Subsystem revision 20040326
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    ACPI: PCI Root Bridge [PCI0] (00:00)
    PCI: Probing PCI hardware (bus 00)
    Uncovering SIS963 that hid as a SIS503 (compatible=0)
    Enabling SiS 96x SMBus.
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 10 *11 12 14 15)
    ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 10 11 12 14 15) *0, disabled.
    ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 *10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 7 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 7 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKF] (IRQs *3 4 5 7 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 10 11 12 14 15) *0, disabled.
    ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 *5 7 10 11 12 14 15)
    Linux Plug and Play Support v0.97 (c) Adam Belay
    PnPBIOS: Scanning system for PnP BIOS support...
    PnPBIOS: Found PnP BIOS installation structure at 0xc00f4080
    PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0x4f3a, dseg 0xf0000
    pnp: 00:08: ioport range 0x800-0x87f has been reserved
    pnp: 00:08: ioport range 0x880-0x8ff has been reserved
    pnp: 00:08: ioport range 0xc00-0xc7f has been reserved
    pnp: 00:08: ioport range 0x480-0x48f has been reserved
    pnp: 00:08: ioport range 0x4d0-0x4d1 has been reserved
    pnp: 00:08: ioport range 0xcf8-0xcff has been reserved
    pnp: 00:0e: ioport range 0x290-0x297 has been reserved
    PnPBIOS: 16 nodes reported by PnP BIOS; 16 recorded by driver
    00:00:01[A] -> 1-16 -> IRQ 16 level low
    00:00:01[B] -> 1-17 -> IRQ 17 level low
    00:00:01[C] -> 1-18 -> IRQ 18 level low
    00:00:01[D] -> 1-19 -> IRQ 19 level low
    00:00:03[D] -> 1-23 -> IRQ 23 level low
    00:00:03[A] -> 1-20 -> IRQ 20 level low
    00:00:03[B] -> 1-21 -> IRQ 21 level low
    00:00:03[C] -> 1-22 -> IRQ 22 level low
    number of MP IRQ sources: 15.
    number of IO-APIC #1 registers: 24.
    testing the IO APIC.......................
    IO APIC #1......
    .... register #00: 01000000
    ....... : physical APIC id: 01
    ....... : Delivery Type: 0
    ....... : LTS : 0
    .... register #01: 00178002
    ....... : max redirection entries: 0017
    ....... : PRQ implemented: 1
    ....... : IO APIC version: 0002
    .... 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
     01 001 01 0 0 0 0 0 1 1 39
     02 001 01 0 0 0 0 0 1 1 31
     03 001 01 0 0 0 0 0 1 1 41
     04 001 01 0 0 0 0 0 1 1 49
     05 001 01 0 0 0 0 0 1 1 51
     06 001 01 0 0 0 0 0 1 1 59
     07 001 01 0 0 0 0 0 1 1 61
     08 001 01 0 0 0 0 0 1 1 69
     09 001 01 0 1 0 1 0 1 1 71
     0a 001 01 0 0 0 0 0 1 1 79
     0b 001 01 0 0 0 0 0 1 1 81
     0c 001 01 0 0 0 0 0 1 1 89
     0d 001 01 0 0 0 0 0 1 1 91
     0e 001 01 0 0 0 0 0 1 1 99
     0f 001 01 0 0 0 0 0 1 1 A1
     10 001 01 1 1 0 1 0 1 1 A9
     11 001 01 1 1 0 1 0 1 1 B1
     12 001 01 1 1 0 1 0 1 1 B9
     13 001 01 1 1 0 1 0 1 1 C1
     14 001 01 1 1 0 1 0 1 1 D1
     15 001 01 1 1 0 1 0 1 1 D9
     16 001 01 1 1 0 1 0 1 1 E1
     17 001 01 1 1 0 1 0 1 1 C9
    IRQ to pin mappings:
    IRQ0 -> 0:2
    IRQ1 -> 0:1
    IRQ3 -> 0:3
    IRQ4 -> 0:4
    IRQ5 -> 0:5
    IRQ6 -> 0:6
    IRQ7 -> 0:7
    IRQ8 -> 0:8
    IRQ9 -> 0:9
    IRQ10 -> 0:10
    IRQ11 -> 0:11
    IRQ12 -> 0:12
    IRQ13 -> 0:13
    IRQ14 -> 0:14
    IRQ15 -> 0:15
    IRQ16 -> 0:16
    IRQ17 -> 0:17
    IRQ18 -> 0:18
    IRQ19 -> 0:19
    IRQ20 -> 0:20
    IRQ21 -> 0:21
    IRQ22 -> 0:22
    IRQ23 -> 0:23
    .................................... done.
    PCI: Using ACPI for IRQ routing
    PCI: Cannot allocate resource region 4 of device 0000:00:02.1
    VFS: Disk quotas dquot_6.5.1
    Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
    devfs: boot_options: 0x0
    Initializing Cryptographic API
    isapnp: Scanning for PnP cards...
    isapnp: No Plug & Play device found
    Serial: 8250/16550 driver $Revision: 1.90 $ 48 ports, IRQ sharing enabled
    ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    input: AT Translated Set 2 keyboard on isa0060/serio0
    NET: Registered protocol family 2
    IP: routing cache hash table of 2048 buckets, 16Kbytes
    TCP: Hash tables configured (established 16384 bind 32768)
    NET: Registered protocol family 8
    NET: Registered protocol family 20
    ACPI: (supports S0 S1 S3 S4 S5)
    RAMDISK: cramfs filesystem found at block 0
    RAMDISK: Loading 4476 blocks [1 disk] into ram disk... done.
    VFS: Mounted root (cramfs filesystem) readonly.
    Freeing unused kernel memory: 148k freed
    vesafb: probe of vesafb0 failed with error -6
    NET: Registered protocol family 1
    SCSI subsystem initialized
    libata version 1.02 loaded.
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    SIS5513: IDE controller at PCI slot 0000:00:02.5
    SIS5513: chipset revision 0
    SIS5513: not 100% native mode: will probe irqs later
    SIS5513: SiS 962/963 MuTIOL IDE UDMA133 controller
        ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
        ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
    hda: WDC WD400EB-00CPF0, ATA DISK drive
    Using anticipatory io scheduler
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    hdc: ST51270A, ATA DISK drive
    hdd: AOPEN COM5232/AAH, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    hda: max request size: 128KiB
    hda: 78165360 sectors (40020 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
     /dev/ide/host0/bus0/target0/lun0: p1 p2 p3 p4 < p5 p6 p7 p8 p9 p10 p11 p12 >
    hdc: max request size: 128KiB
    hdc: 2504880 sectors (1282 MB) w/128KiB Cache, CHS=2485/16/63, DMA
     /dev/ide/host0/bus1/target0/lun0: p1
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    Adding 273096k swap on /dev/hda2. Priority:-1 extents:1
    EXT3 FS on hda5, internal journal
    usbcore: registered new driver usbfs
    usbcore: registered new driver hub
    usbcore: registered new driver usbkbd
    drivers/usb/input/usbkbd.c: :USB HID Boot Protocol keyboard driver
    usb_storage: Unknown parameter `vendor'
    Initializing USB Mass Storage driver...
    usbcore: registered new driver usb-storage
    USB Mass Storage support registered.
    parport: PnPBIOS parport detected.
    parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
    parport0: Printer, hp deskjet 5550
    drivers/usb/serial/usb-serial.c: USB Serial support registered for Generic
    usbcore: registered new driver usbserial
    drivers/usb/serial/usb-serial.c: USB Serial Driver core v2.0
    sis900.c: v1.08.07 11/02/2003
    eth0: Realtek RTL8201 PHY transceiver found at address 1.
    eth0: Using transceiver found at address 1 as default
    eth0: SiS 900 PCI Fast Ethernet at 0xe400, IRQ 19, 00:11:5b:1b:8f:1f.
    Capability LSM initialized
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda6, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda7, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda8, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda9, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    EXT2-fs warning (device hda10): ext2_fill_super: mounting ext3 filesystem as ext2

    Linux agpgart interface v0.100 (c) Dave Jones
    agpgart: Detected SiS 741 chipset
    agpgart: Maximum main memory to use for agp memory: 176M
    agpgart: AGP aperture is 64M @ 0xd0000000
    cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
    pci_hotplug: PCI Hot Plug PCI Core version: 0.5
    pciehp: PCI Express Hot Plug Controller Driver version: 0.4
    shpchp: shpc_init : shpc_cap_offset == 0
    shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
    intel8x0_measure_ac97_clock: measured 49653 usecs
    intel8x0: clocking to 48000
    ohci_hcd: 2004 Feb 02 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
    ohci_hcd: block sizes: ed 64 td 64
    ohci_hcd 0000:00:03.0: Silicon Integrated Systems [SiS] USB 1.0 Controller
    ohci_hcd 0000:00:03.0: irq 20, pci mem ce8e0000
    ohci_hcd 0000:00:03.0: new USB bus registered, assigned bus number 1
    hub 1-0:1.0: USB hub found
    hub 1-0:1.0: 3 ports detected
    ohci_hcd 0000:00:03.1: Silicon Integrated Systems [SiS] USB 1.0 Controller (#2) ohci_hcd 0000:00:03.1: irq 21, pci mem ce8fa000
    ohci_hcd 0000:00:03.1: new USB bus registered, assigned bus number 2
    hub 2-0:1.0: USB hub found
    hub 2-0:1.0: 3 ports detected
    ehci_hcd 0000:00:03.3: Silicon Integrated Systems [SiS] USB 2.0 Controller
    ehci_hcd 0000:00:03.3: irq 23, pci mem ce926000
    ehci_hcd 0000:00:03.3: new USB bus registered, assigned bus number 3
    PCI: cache line size of 64 is not supported by device 0000:00:03.3
    ehci_hcd 0000:00:03.3: USB 2.0 enabled, EHCI 1.00, driver 2004-May-10
    hub 3-0:1.0: USB hub found
    hub 3-0:1.0: 6 ports detected
    Real Time Clock Driver v1.12
    input: PC Speaker
    input: ImPS/2 Logitech Wheel Mouse on isa0060/serio1
    mice: PS/2 mouse device common for all mice
    ts: Compaq touchscreen protocol output
    inserting floppy driver for 2.6.7-1-k7
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a post-1991 82077
    hdd: ATAPI 52X DVD-ROM CD-R/RW CD-MRW drive, 2048kB Cache, UDMA(33)
    Uniform CD-ROM driver Revision: 3.20
    eth0: Media Link On 10mbps half-duplex
    lp0: using parport0 (interrupt-driven).
    NET: Registered protocol family 10
    Disabled Privacy Extensions on device c02f17c0(lo)
    IPv6 over IPv4 tunneling driver
    apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
    apm: overridden by ACPI.
    eth0: no IPv6 routers present
    apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
    apm: overridden by ACPI.
    eth0: Media Link Off
    eth0: Media Link On 100mbps full-duplex 

    -- 
Marc Shapiro
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