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    SubjectIPv6 dead in -bk11

    IPv6 works 100% for my workstations in 2.6.10-rc2-bk2, but fails in
    2.6.10-rc2-bk11:

    [jgarzik@sata g]$ ping6 www.kame.net
    connect: Network is unreachable

    100% reproducible on multiple machines (x86, x86-64). Fedora Core 2
    userland. The only difference is the kernel, no configuration
    differences account for this. dmesg and config are attached, but IMO
    are unlikely to be helpful.

    Did someone break the IPv6 routing code or something, perhaps?

    I'll narrow down which -bk snapshot broke IPv6 later on today...

    Jeff



    Linux version 2.6.10-rc1-bk11 (jgarzik@sata.yyz.us) (gcc version 3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 SMP Tue Nov 2 07:35:27 EST 2004
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009e000 (usable)
    BIOS-e820: 000000000009e000 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
    BIOS-e820: 000000003fff0000 - 0000000040000000 (reserved)
    BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
    Warning only 896MB will be used.
    Use a HIGHMEM enabled kernel.
    896MB LOWMEM available.
    found SMP MP-table at 000f8d90
    On node 0 totalpages: 229376
    DMA zone: 4096 pages, LIFO batch:1
    Normal zone: 225280 pages, LIFO batch:16
    HighMem zone: 0 pages, LIFO batch:1
    DMI 2.3 present.
    ACPI: RSDP (v000 COMPAQ ) @ 0x000e9e10
    ACPI: RSDT (v001 COMPAQ CPQ0063 0x20031217 0x00000000) @ 0x000e5640
    ACPI: FADT (v001 COMPAQ CANTERW 0x00000001 0x00000000) @ 0x000e56ec
    ACPI: SSDT (v001 COMPAQ PROJECT 0x00000001 MSFT 0x0100000e) @ 0x000e6579
    ACPI: MADT (v001 COMPAQ CANTERW 0x00000001 0x00000000) @ 0x000e5760
    ACPI: ASF! (v016 COMPAQ CANTERW 0x00000001 0x00000000) @ 0x000e57c8
    ACPI: DSDT (v001 COMPAQ DSDT 0x00000001 MSFT 0x0100000e) @ 0x00000000
    ACPI: PM-Timer IO Port: 0xf808
    ACPI: Local APIC address 0xfee00000
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
    Processor #0 15:2 APIC version 20
    ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
    Processor #1 15:2 APIC version 20
    ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
    ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
    IOAPIC[0]: apic_id 1 already used, trying 2
    IOAPIC[0]: apic_id 2, version 32, 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 high level)
    ACPI: IRQ0 used by override.
    ACPI: IRQ2 used by override.
    ACPI: IRQ9 used by override.
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Built 1 zonelists
    Kernel command line: ro root=LABEL=/ nogui
    Initializing CPU#0
    PID hash table entries: 4096 (order: 12, 65536 bytes)
    Detected 2395.070 MHz processor.
    Using pmtmr for high-res timesource
    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: 904796k/917504k available (2535k kernel code, 12164k reserved, 804k data, 192k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Calibrating delay loop... 4734.97 BogoMIPS (lpj=2367488)
    Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: Trace cache: 12K uops, L1 D cache: 8K
    CPU: L2 cache: 512K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 00000000 00000000 00000080
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU0: Thermal monitoring enabled
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Checking 'hlt' instruction... OK.
    CPU0: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 09
    per-CPU timeslice cutoff: 1462.31 usecs.
    task migration cache decay timeout: 2 msecs.
    Booting processor 1/1 eip 3000
    Initializing CPU#1
    Calibrating delay loop... 4784.12 BogoMIPS (lpj=2392064)
    CPU: After generic identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
    CPU: Trace cache: 12K uops, L1 D cache: 8K
    CPU: L2 cache: 512K
    CPU: Physical Processor ID: 0
    CPU: After all inits, caps: bfebfbff 00000000 00000000 00000080
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU1: Thermal monitoring enabled
    CPU1: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 09
    Total of 2 processors activated (9519.10 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 pin1=2 pin2=-1
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    CPU0:
    domain 0: span 3
    groups: 1 2
    domain 1: span 3
    groups: 3
    CPU1:
    domain 0: span 3
    groups: 2 1
    domain 1: span 3
    groups: 3
    checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
    Freeing initrd memory: 137k freed
    NET: Registered protocol family 16
    PCI: Using configuration type 1
    mtrr: v2.0 (20020519)
    ACPI: Subsystem revision 20040816
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 *11 14 15)
    ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 6 7 10 11 14 15)
    ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 *10 11 14 15)
    ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 10 *11 14 15)
    ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 *11 14 15)
    ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 *5 6 7 10 11 14 15)
    ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 11 14 15) *0, disabled.
    ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 *11 14 15)
    ACPI: PCI Root Bridge [PCI0] (00:00)
    PCI: Probing PCI hardware (bus 00)
    PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
    PCI: Transparent bridge - 0000:00:1e.0
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
    ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HUB_._PRT]
    SCSI subsystem initialized
    usbcore: registered new driver usbfs
    usbcore: registered new driver hub
    PCI: Using ACPI for IRQ routing
    ACPI: PCI interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 169
    ACPI: PCI interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 177
    ACPI: PCI interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 185
    ACPI: PCI interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 193
    ACPI: PCI interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 185
    ACPI: PCI interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 185
    ACPI: PCI interrupt 0000:00:1f.5[B] -> GSI 17 (level, low) -> IRQ 201
    ACPI: PCI interrupt 0000:01:00.0[A] -> GSI 20 (level, low) -> IRQ 209
    ACPI: PCI interrupt 0000:05:02.0[A] -> GSI 17 (level, low) -> IRQ 201
    ACPI: PCI interrupt 0000:05:0a.0[A] -> GSI 21 (level, low) -> IRQ 217
    Machine check exception polling timer started.
    Initializing Cryptographic API
    ACPI: Power Button (FF) [PWRF]
    ACPI: Processor [CPU0] (supports C1, 8 throttling states)
    ACPI: Processor [CPU1] (supports C1, 8 throttling states)
    Real Time Clock Driver v1.12
    Linux agpgart interface v0.100 (c) Dave Jones
    agpgart: Detected an Intel i875 Chipset.
    agpgart: Maximum main memory to use for agp memory: 816M
    agpgart: AGP aperture is 256M @ 0xe0000000
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing enabled
    ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    io scheduler noop registered
    io scheduler anticipatory registered
    io scheduler deadline registered
    io scheduler cfq registered
    elevator: using anticipatory as default io scheduler
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a post-1991 82077
    RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
    Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    ICH5: IDE controller at PCI slot 0000:00:1f.1
    PCI: Enabling device 0000:00:1f.1 (0005 -> 0007)
    ACPI: PCI interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 185
    ICH5: chipset revision 2
    ICH5: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0x24c0-0x24c7, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0x24c8-0x24cf, BIOS settings: hdc:DMA, hdd:pio
    Probing IDE interface ide0...
    hda: MAXTOR 6L080J4, ATA DISK drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Probing IDE interface ide1...
    hdc: HL-DT-ST CD-ROM GCR-8480B, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    hda: max request size: 128KiB
    hda: 156301488 sectors (80026 MB) w/1819KiB Cache, CHS=65535/16/63, UDMA(100)
    hda: cache flushes supported
    hda: hda1 hda2 hda3 hda4 < hda5 hda6 >
    hdc: ATAPI 48X CD-ROM drive, 128kB Cache, DMA
    Uniform CD-ROM driver Revision: 3.20
    ACPI: PCI interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 193
    ehci_hcd 0000:00:1d.7: EHCI Host Controller
    PCI: Setting latency timer of device 0000:00:1d.7 to 64
    ehci_hcd 0000:00:1d.7: irq 193, pci mem 0xf0500000
    ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
    PCI: cache line size of 128 is not supported by device 0000:00:1d.7
    ehci_hcd 0000:00:1d.7: USB 2.0 enabled, EHCI 1.00, driver 2004-May-10
    hub 1-0:1.0: USB hub found
    hub 1-0:1.0: 8 ports detected
    USB Universal Host Controller Interface driver v2.2
    hub 1-0:1.0: over-current change on port 7
    ACPI: PCI interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 169
    uhci_hcd 0000:00:1d.0: UHCI Host Controller
    PCI: Setting latency timer of device 0000:00:1d.0 to 64
    uhci_hcd 0000:00:1d.0: irq 169, io base 0x2440
    uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
    hub 2-0:1.0: USB hub found
    hub 2-0:1.0: 2 ports detected
    ACPI: PCI interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 177
    uhci_hcd 0000:00:1d.1: UHCI Host Controller
    PCI: Setting latency timer of device 0000:00:1d.1 to 64
    uhci_hcd 0000:00:1d.1: irq 177, io base 0x2460
    uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
    hub 3-0:1.0: USB hub found
    hub 3-0:1.0: 2 ports detected
    ACPI: PCI interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 185
    uhci_hcd 0000:00:1d.2: UHCI Host Controller
    PCI: Setting latency timer of device 0000:00:1d.2 to 64
    uhci_hcd 0000:00:1d.2: irq 185, io base 0x2480
    uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
    hub 4-0:1.0: USB hub found
    hub 4-0:1.0: 2 ports detected
    Initializing USB Mass Storage driver...
    usbcore: registered new driver usb-storage
    USB Mass Storage support registered.
    mice: PS/2 mouse device common for all mice
    input: AT Translated Set 2 keyboard on isa0060/serio0
    input: ImPS/2 Generic Wheel Mouse on isa0060/serio1
    input: PC Speaker
    NET: Registered protocol family 26
    NET: Registered protocol family 2
    IP: routing cache hash table of 8192 buckets, 64Kbytes
    TCP: Hash tables configured (established 262144 bind 65536)
    Initializing IPsec netlink socket
    NET: Registered protocol family 1
    NET: Registered protocol family 10
    IPv6 over IPv4 tunneling driver
    NET: Registered protocol family 17
    NET: Registered protocol family 15
    p4-clockmod: P4/Xeon(TM) CPU On-Demand Clock Modulation available
    ACPI: (supports S0 S1 S3 S4 S5)
    ACPI wakeup devices:
    PCI0 HUB COM1 COM2 USB1 USB2 USB3 USB4 EUSB PBTN
    BIOS EDD facility v0.16 2004-Jun-25, 3 devices found
    RAMDISK: Compressed image found at block 0
    VFS: Mounted root (ext2 filesystem).
    libata version 1.02 loaded.
    ata_piix version 1.02
    ACPI: PCI interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 185
    PCI: Setting latency timer of device 0000:00:1f.2 to 64
    ata1: SATA max UDMA/133 cmd 0x24F0 ctl 0x280A bmdma 0x24D0 irq 185
    ata2: SATA max UDMA/133 cmd 0x24F8 ctl 0x280E bmdma 0x24D8 irq 185
    ata1: dev 0 cfg 49:2f00 82:74eb 83:7fea 84:4023 85:74e9 86:3c02 87:4023 88:203f
    ata1: dev 0 ATA, max UDMA/100, 160836480 sectors: lba48
    ata1: dev 0 configured for UDMA/100
    scsi0 : ata_piix
    ata2: SATA port has no device.
    scsi1 : ata_piix
    Vendor: ATA Model: HDS722580VLSA80 Rev: V32O
    Type: Direct-Access ANSI SCSI revision: 05
    SCSI device sda: 160836480 512-byte hdwr sectors (82348 MB)
    SCSI device sda: drive cache: write back
    sda: sda1
    Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
    Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 0
    sata_sil version 0.54
    ACPI: PCI interrupt 0000:05:0a.0[A] -> GSI 21 (level, low) -> IRQ 217
    ata3: SATA max UDMA/100 cmd 0xF8848080 ctl 0xF884808A bmdma 0xF8848000 irq 217
    ata4: SATA max UDMA/100 cmd 0xF88480C0 ctl 0xF88480CA bmdma 0xF8848008 irq 217
    ata3: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4003 85:7c69 86:3e01 87:4003 88:407f
    ata3: dev 0 ATA, max UDMA/133, 488281250 sectors: lba48
    ata3: dev 0 configured for UDMA/100
    scsi2 : sata_sil
    ata4: no device found (phy stat 00000000)
    scsi3 : sata_sil
    Vendor: ATA Model: Maxtor 6Y250M0 Rev: YAR5
    Type: Direct-Access ANSI SCSI revision: 05
    SCSI device sdb: 488281250 512-byte hdwr sectors (250000 MB)
    SCSI device sdb: drive cache: write back
    sdb: sdb1
    Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0
    Attached scsi generic sg1 at scsi2, channel 0, id 0, lun 0, type 0
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    Freeing unused kernel memory: 192k freed
    EXT3 FS on hda5, internal journal
    Adding 1020592k swap on /dev/hda2. Priority:-1 extents:1
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on sda1, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda3, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    ip_tables: (C) 2000-2002 Netfilter core team
    Disabled Privacy Extensions on device c03f5880(lo)
    tg3.c:v3.11 (October 20, 2004)
    ACPI: PCI interrupt 0000:05:02.0[A] -> GSI 17 (level, low) -> IRQ 201
    eth0: Tigon3 [partno(BCM95700A6) rev 3002 PHY(5705)] (PCI:33MHz:32-bit) 10/100/1000BaseT Ethernet 00:30:6e:4c:04:ac
    eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[0] TSOcap[1]
    ip_tables: (C) 2000-2002 Netfilter core team
    tg3: eth0: Link is up at 1000 Mbps, full duplex.
    tg3: eth0: Flow control is on for TX and on for RX.
    Intel 810 + AC97 Audio, version 1.01, 07:31:33 Nov 2 2004
    ACPI: PCI interrupt 0000:00:1f.5[B] -> GSI 17 (level, low) -> IRQ 201
    PCI: Setting latency timer of device 0000:00:1f.5 to 64
    i810: Intel ICH5 found at IO 0x2400 and 0x2000, MEM 0xf0500400 and 0xf0500600, IRQ 201
    i810: Intel ICH5 mmio at 0xf8852400 and 0xf8860600
    i810_audio: Primary codec has ID 0
    i810_audio: Audio Controller supports 6 channels.
    i810_audio: Defaulting to base 2 channel mode.
    i810_audio: Resetting connection 0
    i810_audio: Connection 0 with codec id 0
    ac97_codec: AC97 Audio codec, id: ADS116 (Unknown)
    i810_audio: AC'97 codec 0 supports AMAP, total channels = 2
    [unhandled content-type:application/x-bzip2]
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