kernel 2.6, aic7xxx and >2TB array?

From: Janne Pikkarainen (jaba_at_mikrobitti.fi)
Date: 08/18/04

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    To: linux-kernel@vger.kernel.org
    Date:	Wed, 18 Aug 2004 09:26:47 +0300
    
    
    

    Hello,

    Just a quick question about what Linux supports and what it does not.
    And this may even turn into a bug report later, so please keep on
    reading. :-)

    I've been struggling with the following setup:

    - Adaptec AHA-2940U2/U2W SCSI controller (tried both drivers: aic7xxx
    and aic7xxx_old)
    - Promise UltraTrak 15000 disk box with eleven disk RAID5 array, total
    capacity around three terabytes.

    So, Linux should see the array as one big partition, and it kind of
    does:

    ---
    scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
            <Adaptec 2940 Ultra2 SCSI adapter>
            aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs
    (scsi2:A:8): 80.000MB/s transfers (40.000MHz, offset 31, 16bit)
      Vendor: Promise   Model: 11 Disk RAID5     Rev: 1.10
      Type:   Direct-Access                      ANSI SCSI revision: 03
    scsi2:A:8:0: Tagged Queuing enabled.  Depth 32
    SCSI device sdb: 4294967040 512-byte hdwr sectors (2199023 MB)
    sdb: cache data unavailable
    sdb: assuming drive cache: write through
     /dev/scsi/host2/bus0/target8/lun0: p1
    Attached scsi disk sdb at scsi2, channel 0, id 8, lun 0
    Attached scsi generic sg2 at scsi2, channel 0, id 8, lun 0,  type 0
    ---
    But it seems that something, somewhere hits at some limit, because
    clearly the partition isn't big enough. Personally I suspect the aic7xxx
    driver, but on the other hand I'm not a kernel guru.
    I've tried several kernel versions from vanilla 2.4 to vanilla 2.6 and
    from wolk-sources to mm-sources. Currently I'm using
    gentoo-dev-sources-2.6.8, but for what I know, it doesn't have any
    patches related to this problem. If you insist, I will switch to vanilla
    kernel whilst debugging this problem.
    CONFIG_LBD is enabled in kernel config (complete config attached to this
    message), and here's some other information:
    ---
    Portage 2.0.50-r9 (default-x86-1.4, gcc-3.3.3, glibc-2.3.3.20040420-r1,
    2.6.8-gentoo)
    =================================================================
    System uname: 2.6.8-gentoo i686 Intel(R) Xeon(TM) CPU 2.80GHz
    Gentoo Base System version 1.4.16
    ---
    Any help and suggestions are greatly appreciated. I will gladly provide
    you all the other information you may need.
    (I've already also tried another trick: I modified Promise box
    configuration from RAID5 array to separate disks, so Linux did see 11
    separate hard disks. Then I glued them together in Linux, and that
    worked, but during almost any disk I/O (bonnie++ test, for example) the
    Promise box crashed and had to be rebooted! But that's another story...)
    Best regards,
    Janne Pikkarainen
    
    

    #
    # Automatically generated make config: don't edit
    #
    CONFIG_X86=y
    CONFIG_MMU=y
    CONFIG_UID16=y
    CONFIG_GENERIC_ISA_DMA=y

    #
    # Code maturity level options
    #
    CONFIG_EXPERIMENTAL=y
    # CONFIG_CLEAN_COMPILE is not set
    CONFIG_BROKEN=y
    CONFIG_BROKEN_ON_SMP=y

    #
    # General setup
    #
    CONFIG_SWAP=y
    CONFIG_SYSVIPC=y
    CONFIG_POSIX_MQUEUE=y
    CONFIG_BSD_PROCESS_ACCT=y
    # CONFIG_BSD_PROCESS_ACCT_V3 is not set
    CONFIG_SYSCTL=y
    CONFIG_AUDIT=y
    CONFIG_AUDITSYSCALL=y
    CONFIG_LOG_BUF_SHIFT=15
    CONFIG_HOTPLUG=y
    # CONFIG_IKCONFIG is not set
    # CONFIG_EMBEDDED is not set
    CONFIG_KALLSYMS=y
    # CONFIG_KALLSYMS_ALL is not set
    # CONFIG_KALLSYMS_EXTRA_PASS is not set
    CONFIG_FUTEX=y
    CONFIG_EPOLL=y
    CONFIG_IOSCHED_NOOP=y
    CONFIG_IOSCHED_AS=y
    CONFIG_IOSCHED_DEADLINE=y
    CONFIG_IOSCHED_CFQ=y
    # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set

    #
    # Loadable module support
    #
    CONFIG_MODULES=y
    CONFIG_MODULE_UNLOAD=y
    CONFIG_MODULE_FORCE_UNLOAD=y
    CONFIG_OBSOLETE_MODPARM=y
    CONFIG_MODVERSIONS=y
    CONFIG_KMOD=y
    CONFIG_STOP_MACHINE=y

    #
    # Processor type and features
    #
    CONFIG_X86_PC=y
    # CONFIG_X86_ELAN is not set
    # CONFIG_X86_VOYAGER is not set
    # CONFIG_X86_NUMAQ is not set
    # CONFIG_X86_SUMMIT is not set
    # CONFIG_X86_BIGSMP is not set
    # CONFIG_X86_VISWS is not set
    # CONFIG_X86_GENERICARCH is not set
    # CONFIG_X86_ES7000 is not set
    # CONFIG_M386 is not set
    # CONFIG_M486 is not set
    # CONFIG_M586 is not set
    # CONFIG_M586TSC is not set
    # CONFIG_M586MMX is not set
    # CONFIG_M686 is not set
    # CONFIG_MPENTIUMII is not set
    # CONFIG_MPENTIUMIII is not set
    # CONFIG_MPENTIUMM is not set
    CONFIG_MPENTIUM4=y
    # CONFIG_MK6 is not set
    # CONFIG_MK7 is not set
    # CONFIG_MK8 is not set
    # CONFIG_MCRUSOE is not set
    # CONFIG_MWINCHIPC6 is not set
    # CONFIG_MWINCHIP2 is not set
    # CONFIG_MWINCHIP3D is not set
    # CONFIG_MCYRIXIII is not set
    # CONFIG_MVIAC3_2 is not set
    # CONFIG_X86_GENERIC is not set
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_XADD=y
    CONFIG_X86_L1_CACHE_SHIFT=7
    CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INVLPG=y
    CONFIG_X86_BSWAP=y
    CONFIG_X86_POPAD_OK=y
    CONFIG_X86_GOOD_APIC=y
    CONFIG_X86_INTEL_USERCOPY=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_HPET_TIMER=y
    CONFIG_HPET_EMULATE_RTC=y
    CONFIG_SMP=y
    CONFIG_NR_CPUS=2
    CONFIG_SCHED_SMT=y
    # CONFIG_PREEMPT is not set
    CONFIG_X86_LOCAL_APIC=y
    CONFIG_X86_IO_APIC=y
    CONFIG_X86_TSC=y
    CONFIG_X86_MCE=y
    CONFIG_X86_MCE_NONFATAL=y
    CONFIG_X86_MCE_P4THERMAL=y
    # CONFIG_TOSHIBA is not set
    # CONFIG_I8K is not set
    CONFIG_MICROCODE=y
    CONFIG_X86_MSR=y
    CONFIG_X86_CPUID=y

    #
    # Firmware Drivers
    #
    # CONFIG_EDD is not set
    # CONFIG_NOHIGHMEM is not set
    CONFIG_HIGHMEM4G=y
    # CONFIG_HIGHMEM64G is not set
    CONFIG_HIGHMEM=y
    CONFIG_HIGHPTE=y
    # CONFIG_MATH_EMULATION is not set
    CONFIG_MTRR=y
    # CONFIG_EFI is not set
    CONFIG_IRQBALANCE=y
    CONFIG_HAVE_DEC_LOCK=y
    # CONFIG_REGPARM is not set

    #
    # Power management options (ACPI, APM)
    #
    # CONFIG_PM is not set

    #
    # ACPI (Advanced Configuration and Power Interface) Support
    #
    CONFIG_ACPI=y
    CONFIG_ACPI_BOOT=y
    CONFIG_ACPI_INTERPRETER=y
    # CONFIG_ACPI_AC is not set
    # CONFIG_ACPI_BATTERY is not set
    # CONFIG_ACPI_BUTTON is not set
    # CONFIG_ACPI_FAN is not set
    # CONFIG_ACPI_PROCESSOR is not set
    # CONFIG_ACPI_ASUS is not set
    # CONFIG_ACPI_TOSHIBA is not set
    # CONFIG_ACPI_DEBUG is not set
    CONFIG_ACPI_BUS=y
    CONFIG_ACPI_EC=y
    CONFIG_ACPI_POWER=y
    CONFIG_ACPI_PCI=y
    CONFIG_ACPI_SYSTEM=y
    # CONFIG_X86_PM_TIMER is not set

    #
    # CPU Frequency scaling
    #
    # CONFIG_CPU_FREQ is not set

    #
    # Bus options (PCI, PCMCIA, EISA, MCA, ISA)
    #
    CONFIG_PCI=y
    # CONFIG_PCI_GOBIOS is not set
    # CONFIG_PCI_GOMMCONFIG is not set
    # CONFIG_PCI_GODIRECT is not set
    CONFIG_PCI_GOANY=y
    CONFIG_PCI_BIOS=y
    CONFIG_PCI_DIRECT=y
    CONFIG_PCI_MMCONFIG=y
    CONFIG_PCI_MSI=y
    CONFIG_PCI_LEGACY_PROC=y
    CONFIG_PCI_NAMES=y
    CONFIG_ISA=y
    # CONFIG_EISA is not set
    # CONFIG_MCA is not set
    # CONFIG_SCx200 is not set

    #
    # PCMCIA/CardBus support
    #
    # CONFIG_PCMCIA is not set
    CONFIG_PCMCIA_PROBE=y

    #
    # PCI Hotplug Support
    #
    CONFIG_HOTPLUG_PCI=m
    # CONFIG_HOTPLUG_PCI_FAKE is not set
    # CONFIG_HOTPLUG_PCI_COMPAQ is not set
    CONFIG_HOTPLUG_PCI_IBM=m
    # CONFIG_HOTPLUG_PCI_ACPI is not set
    # CONFIG_HOTPLUG_PCI_CPCI is not set
    # CONFIG_HOTPLUG_PCI_PCIE is not set
    # CONFIG_HOTPLUG_PCI_SHPC is not set

    #
    # Executable file formats
    #
    CONFIG_BINFMT_ELF=y
    CONFIG_BINFMT_AOUT=y
    CONFIG_BINFMT_MISC=y

    #
    # Device Drivers
    #

    #
    # Generic Driver Options
    #
    # CONFIG_STANDALONE is not set
    CONFIG_PREVENT_FIRMWARE_BUILD=y
    CONFIG_FW_LOADER=y
    # CONFIG_DEBUG_DRIVER is not set

    #
    # Memory Technology Devices (MTD)
    #
    # CONFIG_MTD is not set

    #
    # Parallel port support
    #
    # CONFIG_PARPORT is not set

    #
    # Plug and Play support
    #
    CONFIG_PNP=y
    # CONFIG_PNP_DEBUG is not set

    #
    # Protocols
    #
    CONFIG_ISAPNP=y
    CONFIG_PNPBIOS=y
    # CONFIG_PNPBIOS_PROC_FS is not set

    #
    # Block devices
    #
    CONFIG_BLK_DEV_FD=y
    # CONFIG_BLK_DEV_XD is not set
    # CONFIG_BLK_CPQ_DA is not set
    # CONFIG_BLK_CPQ_CISS_DA is not set
    # CONFIG_BLK_DEV_DAC960 is not set
    # CONFIG_BLK_DEV_UMEM is not set
    CONFIG_BLK_DEV_LOOP=y
    # CONFIG_BLK_DEV_CRYPTOLOOP is not set
    # CONFIG_BLK_DEV_NBD is not set
    # CONFIG_BLK_DEV_SX8 is not set
    # CONFIG_BLK_DEV_RAM is not set
    CONFIG_LBD=y

    #
    # ATA/ATAPI/MFM/RLL support
    #
    CONFIG_IDE=y
    CONFIG_BLK_DEV_IDE=y

    #
    # Please see Documentation/ide.txt for help/info on IDE drives
    #
    # CONFIG_BLK_DEV_IDE_SATA is not set
    # CONFIG_BLK_DEV_HD_IDE is not set
    CONFIG_BLK_DEV_IDEDISK=y
    CONFIG_IDEDISK_MULTI_MODE=y
    CONFIG_BLK_DEV_IDECD=y
    # CONFIG_BLK_DEV_IDETAPE is not set
    # CONFIG_BLK_DEV_IDEFLOPPY is not set
    # CONFIG_BLK_DEV_IDESCSI is not set
    CONFIG_IDE_TASK_IOCTL=y
    CONFIG_IDE_TASKFILE_IO=y

    #
    # IDE chipset support/bugfixes
    #
    CONFIG_IDE_GENERIC=y
    # CONFIG_BLK_DEV_CMD640 is not set
    # CONFIG_BLK_DEV_IDEPNP is not set
    CONFIG_BLK_DEV_IDEPCI=y
    CONFIG_IDEPCI_SHARE_IRQ=y
    # CONFIG_BLK_DEV_OFFBOARD is not set
    CONFIG_BLK_DEV_GENERIC=y
    # CONFIG_BLK_DEV_OPTI621 is not set
    # CONFIG_BLK_DEV_RZ1000 is not set
    CONFIG_BLK_DEV_IDEDMA_PCI=y
    # CONFIG_BLK_DEV_IDEDMA_FORCED is not set
    CONFIG_IDEDMA_PCI_AUTO=y
    # CONFIG_IDEDMA_ONLYDISK is not set
    CONFIG_BLK_DEV_ADMA=y
    # CONFIG_BLK_DEV_AEC62XX is not set
    # CONFIG_BLK_DEV_ALI15X3 is not set
    # CONFIG_BLK_DEV_AMD74XX is not set
    # CONFIG_BLK_DEV_ATIIXP is not set
    # CONFIG_BLK_DEV_CMD64X is not set
    # CONFIG_BLK_DEV_TRIFLEX is not set
    # CONFIG_BLK_DEV_CY82C693 is not set
    # CONFIG_BLK_DEV_CS5520 is not set
    # CONFIG_BLK_DEV_CS5530 is not set
    # CONFIG_BLK_DEV_HPT34X is not set
    # CONFIG_BLK_DEV_HPT366 is not set
    # CONFIG_BLK_DEV_SC1200 is not set
    # CONFIG_BLK_DEV_PIIX is not set
    # CONFIG_BLK_DEV_NS87415 is not set
    # CONFIG_BLK_DEV_PDC202XX_OLD is not set
    # CONFIG_BLK_DEV_PDC202XX_NEW is not set
    CONFIG_BLK_DEV_SVWKS=y
    # CONFIG_BLK_DEV_SIIMAGE is not set
    # CONFIG_BLK_DEV_SIS5513 is not set
    # CONFIG_BLK_DEV_SLC90E66 is not set
    # CONFIG_BLK_DEV_TRM290 is not set
    # CONFIG_BLK_DEV_VIA82CXXX is not set
    # CONFIG_IDE_ARM is not set
    # CONFIG_IDE_CHIPSETS is not set
    CONFIG_BLK_DEV_IDEDMA=y
    # CONFIG_IDEDMA_IVB is not set
    CONFIG_IDEDMA_AUTO=y
    # CONFIG_BLK_DEV_HD is not set

    #
    # SCSI device support
    #
    CONFIG_SCSI=y
    CONFIG_SCSI_PROC_FS=y

    #
    # SCSI support type (disk, tape, CD-ROM)
    #
    CONFIG_BLK_DEV_SD=y
    # CONFIG_CHR_DEV_ST is not set
    # CONFIG_CHR_DEV_OSST is not set
    CONFIG_BLK_DEV_SR=y
    CONFIG_BLK_DEV_SR_VENDOR=y
    CONFIG_CHR_DEV_SG=y

    #
    # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
    #
    # CONFIG_SCSI_MULTI_LUN is not set
    CONFIG_SCSI_CONSTANTS=y
    CONFIG_SCSI_LOGGING=y

    #
    # SCSI Transport Attributes
    #
    CONFIG_SCSI_SPI_ATTRS=y
    CONFIG_SCSI_FC_ATTRS=y

    #
    # SCSI low-level drivers
    #
    # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
    # CONFIG_SCSI_3W_9XXX is not set
    # CONFIG_SCSI_7000FASST is not set
    # CONFIG_SCSI_ACARD is not set
    # CONFIG_SCSI_AHA152X is not set
    # CONFIG_SCSI_AHA1542 is not set
    # CONFIG_SCSI_AACRAID is not set
    CONFIG_SCSI_AIC7XXX=m
    CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
    CONFIG_AIC7XXX_RESET_DELAY_MS=15000
    # CONFIG_AIC7XXX_BUILD_FIRMWARE is not set
    # CONFIG_AIC7XXX_DEBUG_ENABLE is not set
    CONFIG_AIC7XXX_DEBUG_MASK=0
    CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
    CONFIG_SCSI_AIC7XXX_OLD=m
    CONFIG_SCSI_AIC79XX=m
    CONFIG_AIC79XX_CMDS_PER_DEVICE=32
    CONFIG_AIC79XX_RESET_DELAY_MS=15000
    # CONFIG_AIC79XX_BUILD_FIRMWARE is not set
    # CONFIG_AIC79XX_ENABLE_RD_STRM is not set
    CONFIG_AIC79XX_DEBUG_ENABLE=y
    CONFIG_AIC79XX_DEBUG_MASK=0
    CONFIG_AIC79XX_REG_PRETTY_PRINT=y
    # CONFIG_SCSI_DPT_I2O is not set
    # CONFIG_SCSI_ADVANSYS is not set
    # CONFIG_SCSI_IN2000 is not set
    # CONFIG_SCSI_MEGARAID is not set
    # CONFIG_SCSI_SATA is not set
    # CONFIG_SCSI_BUSLOGIC is not set
    # CONFIG_SCSI_CPQFCTS is not set
    # CONFIG_SCSI_DMX3191D is not set
    # CONFIG_SCSI_DTC3280 is not set
    # CONFIG_SCSI_EATA is not set
    # CONFIG_SCSI_EATA_PIO is not set
    # CONFIG_SCSI_FUTURE_DOMAIN is not set
    # CONFIG_SCSI_GDTH is not set
    # CONFIG_SCSI_GENERIC_NCR5380 is not set
    # CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
    # CONFIG_SCSI_IPS is not set
    # CONFIG_SCSI_INITIO is not set
    # CONFIG_SCSI_INIA100 is not set
    # CONFIG_SCSI_NCR53C406A is not set
    # CONFIG_SCSI_SYM53C8XX_2 is not set
    # CONFIG_SCSI_IPR is not set
    # CONFIG_SCSI_PAS16 is not set
    # CONFIG_SCSI_PCI2000 is not set
    # CONFIG_SCSI_PCI2220I is not set
    # CONFIG_SCSI_PSI240I is not set
    # CONFIG_SCSI_QLOGIC_FAS is not set
    # CONFIG_SCSI_QLOGIC_ISP is not set
    # CONFIG_SCSI_QLOGIC_FC is not set
    # CONFIG_SCSI_QLOGIC_1280 is not set
    CONFIG_SCSI_QLA2XXX=y
    # CONFIG_SCSI_QLA21XX is not set
    # CONFIG_SCSI_QLA22XX is not set
    # CONFIG_SCSI_QLA2300 is not set
    # CONFIG_SCSI_QLA2322 is not set
    # CONFIG_SCSI_QLA6312 is not set
    # CONFIG_SCSI_QLA6322 is not set
    # CONFIG_SCSI_SEAGATE is not set
    # CONFIG_SCSI_SYM53C416 is not set
    # CONFIG_SCSI_DC395x is not set
    # CONFIG_SCSI_DC390T is not set
    # CONFIG_SCSI_T128 is not set
    # CONFIG_SCSI_U14_34F is not set
    # CONFIG_SCSI_ULTRASTOR is not set
    # CONFIG_SCSI_NSP32 is not set
    # CONFIG_SCSI_DEBUG is not set

    #
    # Old CD-ROM drivers (not SCSI, not IDE)
    #
    # CONFIG_CD_NO_IDESCSI is not set

    #
    # Multi-device support (RAID and LVM)
    #
    CONFIG_MD=y
    # CONFIG_BLK_DEV_MD is not set
    CONFIG_BLK_DEV_DM=y
    CONFIG_DM_CRYPT=y
    # CONFIG_DM_SNAPSHOT is not set
    # CONFIG_DM_MIRROR is not set
    # CONFIG_DM_ZERO is not set

    #
    # Fusion MPT device support
    #
    CONFIG_FUSION=y
    CONFIG_FUSION_MAX_SGE=40
    CONFIG_FUSION_ISENSE=m
    CONFIG_FUSION_CTL=m
    CONFIG_FUSION_LAN=m

    #
    # IEEE 1394 (FireWire) support
    #
    # CONFIG_IEEE1394 is not set

    #
    # I2O device support
    #
    CONFIG_I2O=m
    # CONFIG_I2O_CONFIG is not set
    CONFIG_I2O_BLOCK=m
    CONFIG_I2O_SCSI=m
    CONFIG_I2O_PROC=m

    #
    # Networking support
    #
    CONFIG_NET=y

    #
    # Networking options
    #
    CONFIG_PACKET=y
    CONFIG_PACKET_MMAP=y
    CONFIG_NETLINK_DEV=y
    CONFIG_UNIX=y
    CONFIG_NET_KEY=y
    CONFIG_INET=y
    CONFIG_IP_MULTICAST=y
    # CONFIG_IP_ADVANCED_ROUTER is not set
    # CONFIG_IP_PNP is not set
    CONFIG_NET_IPIP=m
    CONFIG_NET_IPGRE=m
    CONFIG_NET_IPGRE_BROADCAST=y
    # CONFIG_IP_MROUTE is not set
    # CONFIG_ARPD is not set
    CONFIG_SYN_COOKIES=y
    CONFIG_INET_AH=m
    CONFIG_INET_ESP=m
    CONFIG_INET_IPCOMP=m

    #
    # IP: Virtual Server Configuration
    #
    # CONFIG_IP_VS is not set
    # CONFIG_IPV6 is not set
    CONFIG_NETFILTER=y
    # CONFIG_NETFILTER_DEBUG is not set

    #
    # IP: Netfilter Configuration
    #
    CONFIG_IP_NF_CONNTRACK=m
    # CONFIG_IP_NF_FTP is not set
    # CONFIG_IP_NF_IRC is not set
    # CONFIG_IP_NF_TFTP is not set
    # CONFIG_IP_NF_AMANDA is not set
    CONFIG_IP_NF_QUEUE=m
    CONFIG_IP_NF_IPTABLES=m
    # CONFIG_IP_NF_MATCH_LIMIT is not set
    # CONFIG_IP_NF_MATCH_IPRANGE is not set
    # CONFIG_IP_NF_MATCH_MAC is not set
    # CONFIG_IP_NF_MATCH_PKTTYPE is not set
    # CONFIG_IP_NF_MATCH_MARK is not set
    # CONFIG_IP_NF_MATCH_MULTIPORT is not set
    # CONFIG_IP_NF_MATCH_TOS is not set
    # CONFIG_IP_NF_MATCH_RECENT is not set
    # CONFIG_IP_NF_MATCH_ECN is not set
    # CONFIG_IP_NF_MATCH_DSCP is not set
    # CONFIG_IP_NF_MATCH_AH_ESP is not set
    # CONFIG_IP_NF_MATCH_LENGTH is not set
    # CONFIG_IP_NF_MATCH_TTL is not set
    # CONFIG_IP_NF_MATCH_TCPMSS is not set
    # CONFIG_IP_NF_MATCH_HELPER is not set
    CONFIG_IP_NF_MATCH_STATE=m
    CONFIG_IP_NF_MATCH_CONNTRACK=m
    CONFIG_IP_NF_MATCH_OWNER=m
    CONFIG_IP_NF_FILTER=m
    CONFIG_IP_NF_TARGET_REJECT=m
    CONFIG_IP_NF_NAT=m
    CONFIG_IP_NF_NAT_NEEDED=y
    CONFIG_IP_NF_TARGET_MASQUERADE=m
    CONFIG_IP_NF_TARGET_REDIRECT=m
    CONFIG_IP_NF_TARGET_NETMAP=m
    CONFIG_IP_NF_TARGET_SAME=m
    CONFIG_IP_NF_NAT_LOCAL=y
    CONFIG_IP_NF_NAT_SNMP_BASIC=m
    CONFIG_IP_NF_MANGLE=m
    CONFIG_IP_NF_TARGET_TOS=m
    CONFIG_IP_NF_TARGET_ECN=m
    CONFIG_IP_NF_TARGET_DSCP=m
    CONFIG_IP_NF_TARGET_MARK=m
    CONFIG_IP_NF_TARGET_CLASSIFY=m
    CONFIG_IP_NF_TARGET_LOG=m
    CONFIG_IP_NF_TARGET_ULOG=m
    CONFIG_IP_NF_TARGET_TCPMSS=m
    CONFIG_IP_NF_ARPTABLES=m
    CONFIG_IP_NF_ARPFILTER=m
    CONFIG_IP_NF_ARP_MANGLE=m
    # CONFIG_IP_NF_COMPAT_IPCHAINS is not set
    # CONFIG_IP_NF_COMPAT_IPFWADM is not set
    # CONFIG_IP_NF_RAW is not set
    # CONFIG_IP_NF_MATCH_ADDRTYPE is not set
    # CONFIG_IP_NF_MATCH_REALM is not set
    CONFIG_XFRM=y
    # CONFIG_XFRM_USER is not set

    #
    # SCTP Configuration (EXPERIMENTAL)
    #
    # CONFIG_IP_SCTP is not set
    # CONFIG_ATM is not set
    # CONFIG_BRIDGE is not set
    # CONFIG_VLAN_8021Q is not set
    # CONFIG_DECNET is not set
    # CONFIG_LLC2 is not set
    # CONFIG_IPX is not set
    # CONFIG_ATALK is not set
    # CONFIG_X25 is not set
    # CONFIG_LAPB is not set
    # CONFIG_NET_DIVERT is not set
    # CONFIG_ECONET is not set
    # CONFIG_WAN_ROUTER is not set
    # CONFIG_NET_HW_FLOWCONTROL is not set

    #
    # QoS and/or fair queueing
    #
    # CONFIG_NET_SCHED is not set
    # CONFIG_NET_CLS_ROUTE is not set

    #
    # Network testing
    #
    # CONFIG_NET_PKTGEN is not set
    # CONFIG_NETPOLL is not set
    # CONFIG_NET_POLL_CONTROLLER is not set
    # CONFIG_HAMRADIO is not set
    # CONFIG_IRDA is not set
    # CONFIG_BT is not set
    CONFIG_NETDEVICES=y
    CONFIG_DUMMY=m
    # CONFIG_BONDING is not set
    # CONFIG_EQUALIZER is not set
    # CONFIG_TUN is not set
    # CONFIG_ETHERTAP is not set
    # CONFIG_NET_SB1000 is not set

    #
    # ARCnet devices
    #
    # CONFIG_ARCNET is not set

    #
    # Ethernet (10 or 100Mbit)
    #
    CONFIG_NET_ETHERNET=y
    # CONFIG_MII is not set
    # CONFIG_HAPPYMEAL is not set
    # CONFIG_SUNGEM is not set
    # CONFIG_NET_VENDOR_3COM is not set
    # CONFIG_LANCE is not set
    # CONFIG_NET_VENDOR_SMC is not set
    # CONFIG_NET_VENDOR_RACAL is not set

    #
    # Tulip family network device support
    #
    # CONFIG_NET_TULIP is not set
    # CONFIG_AT1700 is not set
    # CONFIG_DEPCA is not set
    # CONFIG_HP100 is not set
    # CONFIG_NET_ISA is not set
    CONFIG_NET_PCI=y
    # CONFIG_PCNET32 is not set
    # CONFIG_AMD8111_ETH is not set
    # CONFIG_ADAPTEC_STARFIRE is not set
    # CONFIG_AC3200 is not set
    # CONFIG_APRICOT is not set
    # CONFIG_B44 is not set
    # CONFIG_FORCEDETH is not set
    # CONFIG_CS89x0 is not set
    # CONFIG_DGRS is not set
    # CONFIG_EEPRO100 is not set
    # CONFIG_E100 is not set
    # CONFIG_FEALNX is not set
    # CONFIG_NATSEMI is not set
    # CONFIG_NE2K_PCI is not set
    # CONFIG_8139CP is not set
    # CONFIG_8139TOO is not set
    # CONFIG_SIS900 is not set
    # CONFIG_EPIC100 is not set
    # CONFIG_SUNDANCE is not set
    # CONFIG_TLAN is not set
    # CONFIG_VIA_RHINE is not set
    # CONFIG_VIA_VELOCITY is not set
    # CONFIG_NET_POCKET is not set

    #
    # Ethernet (1000 Mbit)
    #
    # CONFIG_ACENIC is not set
    # CONFIG_DL2K is not set
    # CONFIG_E1000 is not set
    # CONFIG_NS83820 is not set
    # CONFIG_HAMACHI is not set
    # CONFIG_YELLOWFIN is not set
    # CONFIG_R8169 is not set
    # CONFIG_SK98LIN is not set
    CONFIG_TIGON3=m

    #
    # Ethernet (10000 Mbit)
    #
    # CONFIG_IXGB is not set
    # CONFIG_S2IO is not set

    #
    # Token Ring devices
    #
    # CONFIG_TR is not set

    #
    # Wireless LAN (non-hamradio)
    #
    # CONFIG_NET_RADIO is not set

    #
    # Wan interfaces
    #
    # CONFIG_WAN is not set
    CONFIG_FDDI=y
    # CONFIG_DEFXX is not set
    # CONFIG_SKFP is not set
    # CONFIG_HIPPI is not set
    # CONFIG_PPP is not set
    # CONFIG_SLIP is not set
    CONFIG_NET_FC=y
    # CONFIG_IPHASE5526 is not set
    # CONFIG_SHAPER is not set
    # CONFIG_NETCONSOLE is not set

    #
    # ISDN subsystem
    #
    # CONFIG_ISDN is not set

    #
    # Telephony Support
    #
    # CONFIG_PHONE is not set

    #
    # Input device support
    #
    CONFIG_INPUT=y

    #
    # Userland interfaces
    #
    CONFIG_INPUT_MOUSEDEV=y
    CONFIG_INPUT_MOUSEDEV_PSAUX=y
    CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
    CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
    # CONFIG_INPUT_JOYDEV is not set
    # CONFIG_INPUT_TSDEV is not set
    # CONFIG_INPUT_EVDEV is not set
    # CONFIG_INPUT_EVBUG is not set

    #
    # Input I/O drivers
    #
    # CONFIG_GAMEPORT is not set
    CONFIG_SOUND_GAMEPORT=y
    CONFIG_SERIO=y
    CONFIG_SERIO_I8042=y
    # CONFIG_SERIO_SERPORT is not set
    # CONFIG_SERIO_CT82C710 is not set
    # CONFIG_SERIO_PCIPS2 is not set

    #
    # Input Device Drivers
    #
    CONFIG_INPUT_KEYBOARD=y
    CONFIG_KEYBOARD_ATKBD=y
    # CONFIG_KEYBOARD_SUNKBD is not set
    # CONFIG_KEYBOARD_LKKBD is not set
    # CONFIG_KEYBOARD_XTKBD is not set
    # CONFIG_KEYBOARD_NEWTON is not set
    # CONFIG_INPUT_MOUSE is not set
    # CONFIG_INPUT_JOYSTICK is not set
    # CONFIG_INPUT_TOUCHSCREEN is not set
    # CONFIG_INPUT_MISC is not set

    #
    # Character devices
    #
    CONFIG_VT=y
    CONFIG_VT_CONSOLE=y
    CONFIG_HW_CONSOLE=y
    # CONFIG_SERIAL_NONSTANDARD is not set

    #
    # Serial drivers
    #
    CONFIG_SERIAL_8250=y
    # CONFIG_SERIAL_8250_CONSOLE is not set
    # CONFIG_SERIAL_8250_ACPI is not set
    CONFIG_SERIAL_8250_NR_UARTS=4
    # CONFIG_SERIAL_8250_EXTENDED is not set

    #
    # Non-8250 serial port support
    #
    CONFIG_SERIAL_CORE=y
    CONFIG_UNIX98_PTYS=y
    CONFIG_LEGACY_PTYS=y
    CONFIG_LEGACY_PTY_COUNT=256
    # CONFIG_QIC02_TAPE is not set

    #
    # IPMI
    #
    CONFIG_IPMI_HANDLER=m
    # CONFIG_IPMI_PANIC_EVENT is not set
    CONFIG_IPMI_DEVICE_INTERFACE=m
    # CONFIG_IPMI_SI is not set
    CONFIG_IPMI_WATCHDOG=m

    #
    # Watchdog Cards
    #
    # CONFIG_WATCHDOG is not set
    CONFIG_HW_RANDOM=y
    # CONFIG_NVRAM is not set
    CONFIG_RTC=y
    # CONFIG_DTLK is not set
    # CONFIG_R3964 is not set
    # CONFIG_APPLICOM is not set
    # CONFIG_SONYPI is not set

    #
    # Ftape, the floppy tape device driver
    #
    # CONFIG_FTAPE is not set
    # CONFIG_AGP is not set
    # CONFIG_DRM is not set
    # CONFIG_MWAVE is not set
    # CONFIG_RAW_DRIVER is not set
    CONFIG_HPET=y
    # CONFIG_HPET_RTC_IRQ is not set
    CONFIG_HPET_MMAP=y
    # CONFIG_HANGCHECK_TIMER is not set

    #
    # I2C support
    #
    # CONFIG_I2C is not set

    #
    # Dallas's 1-wire bus
    #
    # CONFIG_W1 is not set

    #
    # Misc devices
    #
    CONFIG_IBM_ASM=m

    #
    # Multimedia devices
    #
    # CONFIG_VIDEO_DEV is not set

    #
    # Digital Video Broadcasting Devices
    #
    # CONFIG_DVB is not set

    #
    # Graphics support
    #
    # CONFIG_FB is not set
    # CONFIG_VIDEO_SELECT is not set

    #
    # Console display driver support
    #
    CONFIG_VGA_CONSOLE=y
    # CONFIG_MDA_CONSOLE is not set
    CONFIG_DUMMY_CONSOLE=y

    #
    # Speakup console speech
    #
    # CONFIG_SPEAKUP is not set
    CONFIG_SPEAKUP_DEFAULT="none"

    #
    # Sound
    #
    # CONFIG_SOUND is not set

    #
    # USB support
    #
    # CONFIG_USB is not set

    #
    # USB Gadget Support
    #
    # CONFIG_USB_GADGET is not set

    #
    # File systems
    #
    CONFIG_EXT2_FS=y
    # CONFIG_EXT2_FS_XATTR is not set
    CONFIG_EXT3_FS=y
    CONFIG_EXT3_FS_XATTR=y
    # CONFIG_EXT3_FS_POSIX_ACL is not set
    # CONFIG_EXT3_FS_SECURITY is not set
    CONFIG_JBD=y
    # CONFIG_JBD_DEBUG is not set
    CONFIG_FS_MBCACHE=y
    CONFIG_REISERFS_FS=y
    # CONFIG_REISERFS_CHECK is not set
    # CONFIG_REISERFS_PROC_INFO is not set
    CONFIG_REISERFS_FS_XATTR=y
    CONFIG_REISERFS_FS_POSIX_ACL=y
    CONFIG_REISERFS_FS_SECURITY=y
    # CONFIG_JFS_FS is not set
    CONFIG_FS_POSIX_ACL=y
    CONFIG_XFS_FS=y
    CONFIG_XFS_RT=y
    CONFIG_XFS_QUOTA=y
    CONFIG_XFS_SECURITY=y
    CONFIG_XFS_POSIX_ACL=y
    # CONFIG_MINIX_FS is not set
    # CONFIG_ROMFS_FS is not set
    # CONFIG_QUOTA is not set
    CONFIG_QUOTACTL=y
    # CONFIG_AUTOFS_FS is not set
    CONFIG_AUTOFS4_FS=y

    #
    # CD-ROM/DVD Filesystems
    #
    CONFIG_ISO9660_FS=m
    CONFIG_JOLIET=y
    # CONFIG_ZISOFS is not set
    CONFIG_UDF_FS=m
    CONFIG_UDF_NLS=y

    #
    # DOS/FAT/NT Filesystems
    #
    CONFIG_FAT_FS=m
    CONFIG_MSDOS_FS=m
    CONFIG_VFAT_FS=m
    CONFIG_FAT_DEFAULT_CODEPAGE=437
    CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
    # CONFIG_NTFS_FS is not set

    #
    # Pseudo filesystems
    #
    CONFIG_PROC_FS=y
    CONFIG_PROC_KCORE=y
    CONFIG_SYSFS=y
    CONFIG_DEVFS_FS=y
    CONFIG_DEVFS_MOUNT=y
    # CONFIG_DEVFS_DEBUG is not set
    CONFIG_DEVPTS_FS_XATTR=y
    CONFIG_DEVPTS_FS_SECURITY=y
    CONFIG_TMPFS=y
    CONFIG_HUGETLBFS=y
    CONFIG_HUGETLB_PAGE=y
    CONFIG_RAMFS=y

    #
    # Miscellaneous filesystems
    #
    # CONFIG_ADFS_FS is not set
    # CONFIG_AFFS_FS is not set
    # CONFIG_HFS_FS is not set
    # CONFIG_HFSPLUS_FS is not set
    # CONFIG_BEFS_FS is not set
    # CONFIG_BFS_FS is not set
    # CONFIG_EFS_FS is not set
    # CONFIG_CRAMFS is not set
    # CONFIG_SQUASHFS is not set
    # CONFIG_VXFS_FS is not set
    # CONFIG_HPFS_FS is not set
    # CONFIG_QNX4FS_FS is not set
    # CONFIG_SYSV_FS is not set
    # CONFIG_UFS_FS is not set

    #
    # Network File Systems
    #
    CONFIG_NFS_FS=y
    CONFIG_NFS_V3=y
    CONFIG_NFS_V4=y
    CONFIG_NFS_DIRECTIO=y
    CONFIG_NFSD=y
    CONFIG_NFSD_V3=y
    CONFIG_NFSD_V4=y
    CONFIG_NFSD_TCP=y
    CONFIG_LOCKD=y
    CONFIG_LOCKD_V4=y
    CONFIG_EXPORTFS=y
    CONFIG_SUNRPC=y
    CONFIG_SUNRPC_GSS=y
    CONFIG_RPCSEC_GSS_KRB5=y
    CONFIG_SMB_FS=m
    # CONFIG_SMB_NLS_DEFAULT is not set
    CONFIG_CIFS=m
    # CONFIG_CIFS_STATS is not set
    # CONFIG_CIFS_XATTR is not set
    # CONFIG_CIFS_POSIX is not set
    # CONFIG_NCP_FS is not set
    # CONFIG_CODA_FS is not set
    # CONFIG_AFS_FS is not set

    #
    # Partition Types
    #
    # CONFIG_PARTITION_ADVANCED is not set
    CONFIG_MSDOS_PARTITION=y

    #
    # Native Language Support
    #
    CONFIG_NLS=y
    CONFIG_NLS_DEFAULT="iso8859-1"
    CONFIG_NLS_CODEPAGE_437=y
    # CONFIG_NLS_CODEPAGE_737 is not set
    # CONFIG_NLS_CODEPAGE_775 is not set
    CONFIG_NLS_CODEPAGE_850=y
    # CONFIG_NLS_CODEPAGE_852 is not set
    # CONFIG_NLS_CODEPAGE_855 is not set
    # CONFIG_NLS_CODEPAGE_857 is not set
    # CONFIG_NLS_CODEPAGE_860 is not set
    # CONFIG_NLS_CODEPAGE_861 is not set
    # CONFIG_NLS_CODEPAGE_862 is not set
    # CONFIG_NLS_CODEPAGE_863 is not set
    # CONFIG_NLS_CODEPAGE_864 is not set
    # CONFIG_NLS_CODEPAGE_865 is not set
    # CONFIG_NLS_CODEPAGE_866 is not set
    # CONFIG_NLS_CODEPAGE_869 is not set
    # CONFIG_NLS_CODEPAGE_936 is not set
    # CONFIG_NLS_CODEPAGE_950 is not set
    # CONFIG_NLS_CODEPAGE_932 is not set
    # CONFIG_NLS_CODEPAGE_949 is not set
    # CONFIG_NLS_CODEPAGE_874 is not set
    # CONFIG_NLS_ISO8859_8 is not set
    # CONFIG_NLS_CODEPAGE_1250 is not set
    # CONFIG_NLS_CODEPAGE_1251 is not set
    # CONFIG_NLS_ASCII is not set
    CONFIG_NLS_ISO8859_1=y
    # CONFIG_NLS_ISO8859_2 is not set
    # CONFIG_NLS_ISO8859_3 is not set
    # CONFIG_NLS_ISO8859_4 is not set
    # CONFIG_NLS_ISO8859_5 is not set
    # CONFIG_NLS_ISO8859_6 is not set
    # CONFIG_NLS_ISO8859_7 is not set
    # CONFIG_NLS_ISO8859_9 is not set
    # CONFIG_NLS_ISO8859_13 is not set
    # CONFIG_NLS_ISO8859_14 is not set
    CONFIG_NLS_ISO8859_15=y
    # CONFIG_NLS_KOI8_R is not set
    # CONFIG_NLS_KOI8_U is not set
    CONFIG_NLS_UTF8=y

    #
    # Profiling support
    #
    # CONFIG_PROFILING is not set

    #
    # Kernel hacking
    #
    CONFIG_DEBUG_KERNEL=y
    CONFIG_EARLY_PRINTK=y
    # CONFIG_DEBUG_STACKOVERFLOW is not set
    # CONFIG_DEBUG_STACK_USAGE is not set
    # CONFIG_DEBUG_SLAB is not set
    CONFIG_MAGIC_SYSRQ=y
    # CONFIG_DEBUG_SPINLOCK is not set
    # CONFIG_DEBUG_PAGEALLOC is not set
    # CONFIG_DEBUG_HIGHMEM is not set
    # CONFIG_DEBUG_INFO is not set
    # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
    # CONFIG_FRAME_POINTER is not set
    # CONFIG_4KSTACKS is not set
    CONFIG_X86_FIND_SMP_CONFIG=y
    CONFIG_X86_MPPARSE=y

    #
    # Security options
    #
    CONFIG_SECURITY=y
    CONFIG_SECURITY_NETWORK=y
    CONFIG_SECURITY_CAPABILITIES=y
    # CONFIG_SECURITY_SELINUX is not set

    #
    # Cryptographic options
    #
    CONFIG_CRYPTO=y
    CONFIG_CRYPTO_HMAC=y
    CONFIG_CRYPTO_NULL=y
    CONFIG_CRYPTO_MD4=y
    CONFIG_CRYPTO_MD5=y
    CONFIG_CRYPTO_SHA1=y
    CONFIG_CRYPTO_SHA256=y
    CONFIG_CRYPTO_SHA512=y
    CONFIG_CRYPTO_DES=y
    CONFIG_CRYPTO_BLOWFISH=y
    CONFIG_CRYPTO_TWOFISH=y
    CONFIG_CRYPTO_SERPENT=y
    CONFIG_CRYPTO_AES_586=y
    CONFIG_CRYPTO_CAST5=y
    CONFIG_CRYPTO_CAST6=y
    CONFIG_CRYPTO_TEA=y
    CONFIG_CRYPTO_ARC4=y
    CONFIG_CRYPTO_KHAZAD=y
    CONFIG_CRYPTO_DEFLATE=y
    CONFIG_CRYPTO_MICHAEL_MIC=y
    CONFIG_CRYPTO_CRC32C=y
    # CONFIG_CRYPTO_TEST is not set

    #
    # Library routines
    #
    CONFIG_CRC_CCITT=y
    CONFIG_CRC32=y
    CONFIG_LIBCRC32C=y
    CONFIG_ZLIB_INFLATE=y
    CONFIG_ZLIB_DEFLATE=y
    CONFIG_X86_SMP=y
    CONFIG_X86_HT=y
    CONFIG_X86_BIOS_REBOOT=y
    CONFIG_X86_TRAMPOLINE=y
    CONFIG_PC=y

    -
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