Re: BUG in 2.6.20-rt8

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

On Sat, Feb 24, 2007 at 09:02:12PM -0800, Paul E. McKenney wrote:
> Hello!
> 
> I got the following running stock 2.6.20-rt8 on an 4-CPU 1.8GHz Opteron
> box.  The machine continued to run a few rounds of kernbench and LTP.
> Looks a bit scary -- a tasklet was "stolen" from __tasklet_action().
> 
> Thoughts?  In the meantime, kicking it off again to see if it repeats.

Not reproducible.  :-/

						Thanx, Paul

> BUG: at kernel/softirq.c:559 __tasklet_action()
> 
> Call Trace:
>  [<ffffffff8022ec1b>] __tasklet_action+0xdb/0x120
>  [<ffffffff8022ee12>] ksoftirqd+0xf3/0x179
>  [<ffffffff8022ed1f>] ksoftirqd+0x0/0x179
>  [<ffffffff8023be23>] kthread+0xc8/0xf1
>  [<ffffffff8020a708>] child_rip+0xa/0x12
>  [<ffffffff8023bf27>] kthread_create+0x6e/0x159
>  [<ffffffff8023bd5b>] kthread+0x0/0xf1
>  [<ffffffff8020a6fe>] child_rip+0x0/0x12
> 
> ---------------------------
> | preempt count: 00000000 ]
> | 0-level deep critical section nesting:
> ----------------------------------------
> 
> Config:
> 
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.20-rt8-autokern1
> # Sat Feb 24 17:05:11 2007
> #
> CONFIG_X86_64=y
> CONFIG_64BIT=y
> CONFIG_X86=y
> CONFIG_GENERIC_TIME=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
> CONFIG_GENERIC_TIME_VSYSCALL=y
> CONFIG_ZONE_DMA32=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_STACKTRACE_SUPPORT=y
> CONFIG_SEMAPHORE_SLEEPERS=y
> CONFIG_MMU=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_X86_CMPXCHG=y
> CONFIG_EARLY_PRINTK=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> CONFIG_ARCH_POPULATES_NODE_MAP=y
> CONFIG_DMI=y
> CONFIG_AUDIT_ARCH=y
> CONFIG_GENERIC_BUG=y
> # CONFIG_ARCH_HAS_ILOG2_U32 is not set
> # CONFIG_ARCH_HAS_ILOG2_U64 is not set
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> 
> #
> # Code maturity level options
> #
> CONFIG_EXPERIMENTAL=y
> CONFIG_LOCK_KERNEL=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> 
> #
> # General setup
> #
> CONFIG_LOCALVERSION=""
> CONFIG_LOCALVERSION_AUTO=y
> CONFIG_SWAP=y
> CONFIG_SYSVIPC=y
> # CONFIG_IPC_NS is not set
> # CONFIG_POSIX_MQUEUE is not set
> # CONFIG_BSD_PROCESS_ACCT is not set
> # CONFIG_TASKSTATS is not set
> # CONFIG_UTS_NS is not set
> # CONFIG_AUDIT is not set
> # CONFIG_IKCONFIG is not set
> # CONFIG_CPUSETS is not set
> CONFIG_SYSFS_DEPRECATED=y
> # CONFIG_RELAY is not set
> CONFIG_INITRAMFS_SOURCE=""
> CONFIG_CC_OPTIMIZE_FOR_SIZE=y
> CONFIG_SYSCTL=y
> # CONFIG_EMBEDDED is not set
> CONFIG_UID16=y
> CONFIG_SYSCTL_SYSCALL=y
> CONFIG_KALLSYMS=y
> # CONFIG_KALLSYMS_ALL is not set
> # CONFIG_KALLSYMS_EXTRA_PASS is not set
> CONFIG_HOTPLUG=y
> CONFIG_PRINTK=y
> CONFIG_BUG=y
> CONFIG_ELF_CORE=y
> CONFIG_BASE_FULL=y
> CONFIG_FUTEX=y
> CONFIG_EPOLL=y
> CONFIG_SHMEM=y
> CONFIG_SLAB=y
> CONFIG_VM_EVENT_COUNTERS=y
> CONFIG_RT_MUTEXES=y
> # CONFIG_TINY_SHMEM is not set
> CONFIG_BASE_SMALL=0
> # CONFIG_SLOB is not set
> 
> #
> # Loadable module support
> #
> CONFIG_MODULES=y
> CONFIG_MODULE_UNLOAD=y
> CONFIG_MODULE_FORCE_UNLOAD=y
> # CONFIG_MODVERSIONS is not set
> # CONFIG_MODULE_SRCVERSION_ALL is not set
> # CONFIG_KMOD is not set
> CONFIG_STOP_MACHINE=y
> 
> #
> # Block layer
> #
> CONFIG_BLOCK=y
> # CONFIG_BLK_DEV_IO_TRACE is not set
> 
> #
> # IO Schedulers
> #
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=y
> CONFIG_IOSCHED_DEADLINE=y
> CONFIG_IOSCHED_CFQ=y
> # CONFIG_DEFAULT_AS is not set
> # CONFIG_DEFAULT_DEADLINE is not set
> CONFIG_DEFAULT_CFQ=y
> # CONFIG_DEFAULT_NOOP is not set
> CONFIG_DEFAULT_IOSCHED="cfq"
> 
> #
> # Processor type and features
> #
> CONFIG_X86_PC=y
> # CONFIG_X86_VSMP is not set
> CONFIG_MK8=y
> # CONFIG_MPSC is not set
> # CONFIG_MCORE2 is not set
> # CONFIG_GENERIC_CPU is not set
> CONFIG_X86_L1_CACHE_BYTES=64
> CONFIG_X86_L1_CACHE_SHIFT=6
> CONFIG_X86_INTERNODE_CACHE_BYTES=64
> CONFIG_X86_TSC=y
> CONFIG_X86_GOOD_APIC=y
> # CONFIG_MICROCODE is not set
> CONFIG_X86_MSR=y
> CONFIG_X86_CPUID=y
> CONFIG_X86_IO_APIC=y
> CONFIG_X86_LOCAL_APIC=y
> CONFIG_MTRR=y
> CONFIG_SMP=y
> # CONFIG_SCHED_SMT is not set
> CONFIG_SCHED_MC=y
> # CONFIG_TICK_ONESHOT is not set
> # CONFIG_NO_HZ is not set
> # CONFIG_HIGH_RES_TIMERS is not set
> # CONFIG_PREEMPT_NONE is not set
> # CONFIG_PREEMPT_VOLUNTARY is not set
> # CONFIG_PREEMPT_DESKTOP is not set
> CONFIG_PREEMPT_RT=y
> CONFIG_PREEMPT=y
> CONFIG_PREEMPT_SOFTIRQS=y
> CONFIG_PREEMPT_HARDIRQS=y
> CONFIG_PREEMPT_BKL=y
> # CONFIG_CLASSIC_RCU is not set
> CONFIG_PREEMPT_RCU=y
> # CONFIG_RCU_TRACE is not set
> CONFIG_NUMA=y
> CONFIG_RWSEM_GENERIC_SPINLOCK=y
> CONFIG_K8_NUMA=y
> CONFIG_NODES_SHIFT=6
> CONFIG_X86_64_ACPI_NUMA=y
> # CONFIG_NUMA_EMU is not set
> CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
> CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
> CONFIG_ARCH_SPARSEMEM_ENABLE=y
> CONFIG_SELECT_MEMORY_MODEL=y
> # CONFIG_FLATMEM_MANUAL is not set
> CONFIG_DISCONTIGMEM_MANUAL=y
> # CONFIG_SPARSEMEM_MANUAL is not set
> CONFIG_DISCONTIGMEM=y
> CONFIG_FLAT_NODE_MEM_MAP=y
> CONFIG_NEED_MULTIPLE_NODES=y
> # CONFIG_SPARSEMEM_STATIC is not set
> # CONFIG_MEMORY_HOTPLUG is not set
> CONFIG_SPLIT_PTLOCK_CPUS=4
> CONFIG_MIGRATION=y
> CONFIG_RESOURCES_64BIT=y
> CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
> CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y
> CONFIG_NR_CPUS=8
> # CONFIG_HOTPLUG_CPU is not set
> CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
> CONFIG_HPET_TIMER=y
> # CONFIG_HPET_EMULATE_RTC is not set
> CONFIG_IOMMU=y
> # CONFIG_CALGARY_IOMMU is not set
> CONFIG_SWIOTLB=y
> CONFIG_X86_MCE=y
> CONFIG_X86_MCE_INTEL=y
> CONFIG_X86_MCE_AMD=y
> # CONFIG_KEXEC is not set
> # CONFIG_CRASH_DUMP is not set
> CONFIG_PHYSICAL_START=0x200000
> CONFIG_SECCOMP=y
> # CONFIG_CC_STACKPROTECTOR is not set
> # CONFIG_HZ_100 is not set
> CONFIG_HZ_250=y
> # CONFIG_HZ_300 is not set
> # CONFIG_HZ_1000 is not set
> CONFIG_HZ=250
> # CONFIG_REORDER is not set
> CONFIG_K8_NB=y
> CONFIG_GENERIC_HARDIRQS=y
> CONFIG_GENERIC_IRQ_PROBE=y
> CONFIG_ISA_DMA_API=y
> CONFIG_GENERIC_PENDING_IRQ=y
> 
> #
> # Power management options
> #
> CONFIG_PM=y
> # CONFIG_PM_LEGACY is not set
> # CONFIG_PM_DEBUG is not set
> # CONFIG_PM_SYSFS_DEPRECATED is not set
> 
> #
> # ACPI (Advanced Configuration and Power Interface) Support
> #
> CONFIG_ACPI=y
> CONFIG_ACPI_AC=y
> CONFIG_ACPI_BATTERY=y
> CONFIG_ACPI_BUTTON=y
> CONFIG_ACPI_VIDEO=m
> # CONFIG_ACPI_HOTKEY is not set
> CONFIG_ACPI_FAN=y
> # CONFIG_ACPI_DOCK is not set
> CONFIG_ACPI_PROCESSOR=y
> CONFIG_ACPI_THERMAL=y
> CONFIG_ACPI_NUMA=y
> # CONFIG_ACPI_ASUS is not set
> CONFIG_ACPI_IBM=m
> # CONFIG_ACPI_IBM_DOCK is not set
> CONFIG_ACPI_TOSHIBA=y
> CONFIG_ACPI_BLACKLIST_YEAR=0
> CONFIG_ACPI_DEBUG=y
> CONFIG_ACPI_EC=y
> CONFIG_ACPI_POWER=y
> CONFIG_ACPI_SYSTEM=y
> CONFIG_X86_PM_TIMER=y
> # CONFIG_ACPI_CONTAINER is not set
> 
> #
> # CPU Frequency scaling
> #
> # CONFIG_CPU_FREQ is not set
> 
> #
> # Bus options (PCI etc.)
> #
> CONFIG_PCI=y
> CONFIG_PCI_DIRECT=y
> # CONFIG_PCI_MMCONFIG is not set
> # CONFIG_PCIEPORTBUS is not set
> # CONFIG_PCI_MSI is not set
> # CONFIG_PCI_DEBUG is not set
> CONFIG_HT_IRQ=y
> 
> #
> # PCCARD (PCMCIA/CardBus) support
> #
> # CONFIG_PCCARD is not set
> 
> #
> # PCI Hotplug Support
> #
> # CONFIG_HOTPLUG_PCI is not set
> 
> #
> # Executable file formats / Emulations
> #
> CONFIG_BINFMT_ELF=y
> # CONFIG_BINFMT_MISC is not set
> CONFIG_IA32_EMULATION=y
> # CONFIG_IA32_AOUT is not set
> CONFIG_COMPAT=y
> CONFIG_SYSVIPC_COMPAT=y
> 
> #
> # Networking
> #
> CONFIG_NET=y
> 
> #
> # Networking options
> #
> # CONFIG_NETDEBUG is not set
> CONFIG_PACKET=y
> # CONFIG_PACKET_MMAP is not set
> CONFIG_UNIX=y
> CONFIG_XFRM=y
> # CONFIG_XFRM_USER is not set
> # CONFIG_XFRM_SUB_POLICY is not set
> # CONFIG_NET_KEY is not set
> CONFIG_INET=y
> CONFIG_IP_MULTICAST=y
> # CONFIG_IP_ADVANCED_ROUTER is not set
> CONFIG_IP_FIB_HASH=y
> # CONFIG_IP_PNP is not set
> # CONFIG_NET_IPIP is not set
> # CONFIG_NET_IPGRE is not set
> # CONFIG_IP_MROUTE is not set
> # CONFIG_ARPD is not set
> # CONFIG_SYN_COOKIES is not set
> # CONFIG_INET_AH is not set
> # CONFIG_INET_ESP is not set
> # CONFIG_INET_IPCOMP is not set
> # CONFIG_INET_XFRM_TUNNEL is not set
> # CONFIG_INET_TUNNEL is not set
> CONFIG_INET_XFRM_MODE_TRANSPORT=y
> CONFIG_INET_XFRM_MODE_TUNNEL=y
> CONFIG_INET_XFRM_MODE_BEET=y
> CONFIG_INET_DIAG=y
> CONFIG_INET_TCP_DIAG=y
> # CONFIG_TCP_CONG_ADVANCED is not set
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"
> # CONFIG_TCP_MD5SIG is not set
> # CONFIG_IPV6 is not set
> # CONFIG_INET6_XFRM_TUNNEL is not set
> # CONFIG_INET6_TUNNEL is not set
> # CONFIG_NETWORK_SECMARK is not set
> # CONFIG_NETFILTER is not set
> 
> #
> # DCCP Configuration (EXPERIMENTAL)
> #
> # CONFIG_IP_DCCP is not set
> 
> #
> # SCTP Configuration (EXPERIMENTAL)
> #
> # CONFIG_IP_SCTP is not set
> 
> #
> # TIPC Configuration (EXPERIMENTAL)
> #
> # CONFIG_TIPC 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_ECONET is not set
> # CONFIG_WAN_ROUTER is not set
> 
> #
> # QoS and/or fair queueing
> #
> # CONFIG_NET_SCHED is not set
> 
> #
> # Network testing
> #
> # CONFIG_NET_PKTGEN is not set
> # CONFIG_HAMRADIO is not set
> # CONFIG_IRDA is not set
> # CONFIG_BT is not set
> # CONFIG_IEEE80211 is not set
> 
> #
> # Device Drivers
> #
> 
> #
> # Generic Driver Options
> #
> CONFIG_STANDALONE=y
> CONFIG_PREVENT_FIRMWARE_BUILD=y
> # CONFIG_FW_LOADER is not set
> # CONFIG_DEBUG_DRIVER is not set
> # CONFIG_SYS_HYPERVISOR is not set
> 
> #
> # Connector - unified userspace <-> kernelspace linker
> #
> # CONFIG_CONNECTOR 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 is not set
> 
> #
> # Block devices
> #
> # CONFIG_BLK_DEV_FD 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_COW_COMMON 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=y
> CONFIG_BLK_DEV_RAM_COUNT=16
> CONFIG_BLK_DEV_RAM_SIZE=4096
> CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
> CONFIG_BLK_DEV_INITRD=y
> # CONFIG_CDROM_PKTCDVD is not set
> # CONFIG_ATA_OVER_ETH is not set
> 
> #
> # Misc devices
> #
> # CONFIG_IBM_ASM is not set
> # CONFIG_SGI_IOC4 is not set
> # CONFIG_TIFM_CORE is not set
> # CONFIG_MSI_LAPTOP is not set
> 
> #
> # 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 is not set
> 
> #
> # IDE chipset support/bugfixes
> #
> CONFIG_IDE_GENERIC=y
> # CONFIG_BLK_DEV_CMD640 is not set
> CONFIG_BLK_DEV_IDEPCI=y
> # CONFIG_IDEPCI_SHARE_IRQ is not set
> # CONFIG_BLK_DEV_OFFBOARD is not set
> # CONFIG_BLK_DEV_GENERIC is not set
> # 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_AEC62XX is not set
> # CONFIG_BLK_DEV_ALI15X3 is not set
> CONFIG_BLK_DEV_AMD74XX=y
> # 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_JMICRON is not set
> # CONFIG_BLK_DEV_SC1200 is not set
> # CONFIG_BLK_DEV_PIIX is not set
> # CONFIG_BLK_DEV_IT821X 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 is not set
> # 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_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_RAID_ATTRS is not set
> CONFIG_SCSI=y
> # CONFIG_SCSI_TGT is not set
> # CONFIG_SCSI_NETLINK is not set
> # CONFIG_SCSI_PROC_FS is not set
> 
> #
> # 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 is not set
> # CONFIG_CHR_DEV_SG is not set
> # CONFIG_CHR_DEV_SCH is not set
> 
> #
> # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
> #
> CONFIG_SCSI_MULTI_LUN=y
> # CONFIG_SCSI_CONSTANTS is not set
> CONFIG_SCSI_LOGGING=y
> # CONFIG_SCSI_SCAN_ASYNC is not set
> 
> #
> # SCSI Transports
> #
> CONFIG_SCSI_SPI_ATTRS=y
> # CONFIG_SCSI_FC_ATTRS is not set
> # CONFIG_SCSI_ISCSI_ATTRS is not set
> # CONFIG_SCSI_SAS_ATTRS is not set
> # CONFIG_SCSI_SAS_LIBSAS is not set
> 
> #
> # SCSI low-level drivers
> #
> # CONFIG_ISCSI_TCP is not set
> # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
> # CONFIG_SCSI_3W_9XXX is not set
> # CONFIG_SCSI_ACARD is not set
> # CONFIG_SCSI_AACRAID is not set
> # CONFIG_SCSI_AIC7XXX is not set
> # CONFIG_SCSI_AIC7XXX_OLD is not set
> # CONFIG_SCSI_AIC79XX is not set
> # CONFIG_SCSI_AIC94XX is not set
> # CONFIG_SCSI_ARCMSR is not set
> # CONFIG_MEGARAID_NEWGEN is not set
> # CONFIG_MEGARAID_LEGACY is not set
> # CONFIG_MEGARAID_SAS is not set
> # CONFIG_SCSI_HPTIOP is not set
> # CONFIG_SCSI_BUSLOGIC is not set
> # CONFIG_SCSI_DMX3191D is not set
> # CONFIG_SCSI_EATA is not set
> # CONFIG_SCSI_FUTURE_DOMAIN is not set
> # CONFIG_SCSI_GDTH is not set
> CONFIG_SCSI_IPS=m
> # CONFIG_SCSI_INITIO is not set
> # CONFIG_SCSI_INIA100 is not set
> # CONFIG_SCSI_STEX is not set
> # CONFIG_SCSI_SYM53C8XX_2 is not set
> # CONFIG_SCSI_QLOGIC_1280 is not set
> # CONFIG_SCSI_QLA_FC is not set
> # CONFIG_SCSI_QLA_ISCSI is not set
> # CONFIG_SCSI_LPFC is not set
> # CONFIG_SCSI_DC395x is not set
> # CONFIG_SCSI_DC390T is not set
> # CONFIG_SCSI_DEBUG is not set
> # CONFIG_SCSI_SRP is not set
> 
> #
> # Serial ATA (prod) and Parallel ATA (experimental) drivers
> #
> # CONFIG_ATA is not set
> 
> #
> # Multi-device support (RAID and LVM)
> #
> # CONFIG_MD is not set
> 
> #
> # Fusion MPT device support
> #
> CONFIG_FUSION=y
> CONFIG_FUSION_SPI=y
> # CONFIG_FUSION_FC is not set
> # CONFIG_FUSION_SAS is not set
> CONFIG_FUSION_MAX_SGE=40
> # CONFIG_FUSION_CTL is not set
> 
> #
> # IEEE 1394 (FireWire) support
> #
> # CONFIG_IEEE1394 is not set
> 
> #
> # I2O device support
> #
> # CONFIG_I2O is not set
> 
> #
> # Network device support
> #
> CONFIG_NETDEVICES=y
> # CONFIG_DUMMY is not set
> # CONFIG_BONDING is not set
> # CONFIG_EQUALIZER is not set
> # CONFIG_TUN is not set
> 
> #
> # ARCnet devices
> #
> # CONFIG_ARCNET is not set
> 
> #
> # PHY device support
> #
> # CONFIG_PHYLIB is not set
> 
> #
> # Ethernet (10 or 100Mbit)
> #
> CONFIG_NET_ETHERNET=y
> CONFIG_MII=y
> # CONFIG_HAPPYMEAL is not set
> # CONFIG_SUNGEM is not set
> # CONFIG_CASSINI is not set
> # CONFIG_NET_VENDOR_3COM is not set
> 
> #
> # Tulip family network device support
> #
> # CONFIG_NET_TULIP is not set
> # CONFIG_HP100 is not set
> CONFIG_NET_PCI=y
> # CONFIG_PCNET32 is not set
> CONFIG_AMD8111_ETH=y
> # CONFIG_AMD8111E_NAPI is not set
> # CONFIG_ADAPTEC_STARFIRE is not set
> # CONFIG_B44 is not set
> # CONFIG_FORCEDETH 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=m
> CONFIG_8139TOO=m
> # CONFIG_8139TOO_PIO is not set
> # CONFIG_8139TOO_TUNE_TWISTER is not set
> # CONFIG_8139TOO_8129 is not set
> # CONFIG_8139_OLD_RX_RESET is not set
> # CONFIG_SIS900 is not set
> # CONFIG_EPIC100 is not set
> # CONFIG_SUNDANCE is not set
> # CONFIG_VIA_RHINE is not set
> 
> #
> # Ethernet (1000 Mbit)
> #
> # CONFIG_ACENIC is not set
> # CONFIG_DL2K is not set
> CONFIG_E1000=m
> # CONFIG_E1000_NAPI is not set
> # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
> # CONFIG_NS83820 is not set
> # CONFIG_HAMACHI is not set
> # CONFIG_YELLOWFIN is not set
> # CONFIG_R8169 is not set
> # CONFIG_SIS190 is not set
> # CONFIG_SKGE is not set
> # CONFIG_SKY2 is not set
> # CONFIG_SK98LIN is not set
> # CONFIG_VIA_VELOCITY is not set
> CONFIG_TIGON3=y
> # CONFIG_BNX2 is not set
> # CONFIG_QLA3XXX is not set
> 
> #
> # Ethernet (10000 Mbit)
> #
> # CONFIG_CHELSIO_T1 is not set
> # CONFIG_IXGB is not set
> # CONFIG_S2IO is not set
> # CONFIG_MYRI10GE is not set
> # CONFIG_NETXEN_NIC 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 is not set
> # CONFIG_HIPPI is not set
> # CONFIG_PPP is not set
> # CONFIG_SLIP is not set
> # CONFIG_NET_FC is not set
> # CONFIG_SHAPER is not set
> # CONFIG_NETCONSOLE is not set
> # CONFIG_NETPOLL is not set
> # CONFIG_NET_POLL_CONTROLLER is not set
> 
> #
> # ISDN subsystem
> #
> # CONFIG_ISDN is not set
> 
> #
> # Telephony Support
> #
> # CONFIG_PHONE is not set
> 
> #
> # Input device support
> #
> CONFIG_INPUT=y
> # CONFIG_INPUT_FF_MEMLESS is not set
> 
> #
> # 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=y
> # CONFIG_INPUT_EVBUG 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_KEYBOARD_STOWAWAY is not set
> CONFIG_INPUT_MOUSE=y
> CONFIG_MOUSE_PS2=y
> # CONFIG_MOUSE_SERIAL is not set
> # CONFIG_MOUSE_VSXXXAA is not set
> # CONFIG_INPUT_JOYSTICK is not set
> # CONFIG_INPUT_TOUCHSCREEN is not set
> # CONFIG_INPUT_MISC is not set
> 
> #
> # Hardware I/O ports
> #
> 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
> CONFIG_SERIO_LIBPS2=y
> # CONFIG_SERIO_RAW is not set
> # CONFIG_GAMEPORT is not set
> 
> #
> # Character devices
> #
> CONFIG_VT=y
> CONFIG_VT_CONSOLE=y
> CONFIG_HW_CONSOLE=y
> # CONFIG_VT_HW_CONSOLE_BINDING is not set
> # CONFIG_SERIAL_NONSTANDARD is not set
> 
> #
> # Serial drivers
> #
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_SERIAL_8250_PCI=y
> CONFIG_SERIAL_8250_NR_UARTS=4
> CONFIG_SERIAL_8250_RUNTIME_UARTS=4
> # CONFIG_SERIAL_8250_EXTENDED is not set
> 
> #
> # Non-8250 serial port support
> #
> CONFIG_SERIAL_CORE=y
> CONFIG_SERIAL_CORE_CONSOLE=y
> # CONFIG_SERIAL_JSM is not set
> CONFIG_UNIX98_PTYS=y
> CONFIG_LEGACY_PTYS=y
> CONFIG_LEGACY_PTY_COUNT=256
> 
> #
> # IPMI
> #
> # CONFIG_IPMI_HANDLER is not set
> 
> #
> # Watchdog Cards
> #
> # CONFIG_WATCHDOG is not set
> CONFIG_HW_RANDOM=y
> CONFIG_HW_RANDOM_INTEL=y
> CONFIG_HW_RANDOM_AMD=y
> CONFIG_HW_RANDOM_GEODE=y
> # CONFIG_NVRAM is not set
> CONFIG_RTC=y
> # CONFIG_RTC_HISTOGRAM is not set
> CONFIG_BLOCKER=y
> CONFIG_LPPTEST=y
> # CONFIG_DTLK is not set
> # CONFIG_R3964 is not set
> # CONFIG_APPLICOM is not set
> CONFIG_AGP=y
> CONFIG_AGP_AMD64=y
> # CONFIG_AGP_INTEL is not set
> # CONFIG_AGP_SIS is not set
> # CONFIG_AGP_VIA is not set
> # CONFIG_DRM is not set
> # CONFIG_MWAVE is not set
> # CONFIG_PC8736x_GPIO is not set
> CONFIG_RAW_DRIVER=y
> CONFIG_MAX_RAW_DEVS=256
> # CONFIG_HPET is not set
> CONFIG_HANGCHECK_TIMER=y
> 
> #
> # TPM devices
> #
> # CONFIG_TCG_TPM is not set
> # CONFIG_TELCLOCK is not set
> 
> #
> # I2C support
> #
> # CONFIG_I2C is not set
> 
> #
> # SPI support
> #
> # CONFIG_SPI is not set
> # CONFIG_SPI_MASTER is not set
> 
> #
> # Dallas's 1-wire bus
> #
> # CONFIG_W1 is not set
> 
> #
> # Hardware Monitoring support
> #
> CONFIG_HWMON=y
> # CONFIG_HWMON_VID is not set
> # CONFIG_SENSORS_ABITUGURU is not set
> # CONFIG_SENSORS_K8TEMP is not set
> # CONFIG_SENSORS_F71805F is not set
> # CONFIG_SENSORS_PC87427 is not set
> # CONFIG_SENSORS_VT1211 is not set
> # CONFIG_SENSORS_HDAPS is not set
> # CONFIG_HWMON_DEBUG_CHIP is not set
> 
> #
> # Multimedia devices
> #
> # CONFIG_VIDEO_DEV is not set
> 
> #
> # Digital Video Broadcasting Devices
> #
> # CONFIG_DVB is not set
> 
> #
> # Graphics support
> #
> CONFIG_FIRMWARE_EDID=y
> # CONFIG_FB is not set
> 
> #
> # Console display driver support
> #
> CONFIG_VGA_CONSOLE=y
> # CONFIG_VGACON_SOFT_SCROLLBACK is not set
> # CONFIG_VIDEO_SELECT is not set
> CONFIG_DUMMY_CONSOLE=y
> # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
> CONFIG_BACKLIGHT_CLASS_DEVICE=y
> CONFIG_BACKLIGHT_DEVICE=y
> 
> #
> # Sound
> #
> CONFIG_SOUND=y
> 
> #
> # Advanced Linux Sound Architecture
> #
> # CONFIG_SND is not set
> 
> #
> # Open Sound System
> #
> CONFIG_SOUND_PRIME=y
> # CONFIG_SOUND_BT878 is not set
> # CONFIG_SOUND_ES1371 is not set
> CONFIG_SOUND_ICH=y
> # CONFIG_SOUND_TRIDENT is not set
> # CONFIG_SOUND_MSNDCLAS is not set
> # CONFIG_SOUND_MSNDPIN is not set
> # CONFIG_SOUND_VIA82CXXX is not set
> # CONFIG_SOUND_OSS is not set
> 
> #
> # HID Devices
> #
> CONFIG_HID=y
> 
> #
> # USB support
> #
> CONFIG_USB_ARCH_HAS_HCD=y
> CONFIG_USB_ARCH_HAS_OHCI=y
> CONFIG_USB_ARCH_HAS_EHCI=y
> # CONFIG_USB is not set
> 
> #
> # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
> #
> 
> #
> # USB Gadget Support
> #
> # CONFIG_USB_GADGET is not set
> 
> #
> # MMC/SD Card support
> #
> # CONFIG_MMC is not set
> 
> #
> # LED devices
> #
> # CONFIG_NEW_LEDS is not set
> 
> #
> # LED drivers
> #
> 
> #
> # LED Triggers
> #
> 
> #
> # InfiniBand support
> #
> # CONFIG_INFINIBAND is not set
> 
> #
> # EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
> #
> # CONFIG_EDAC is not set
> 
> #
> # Real Time Clock
> #
> # CONFIG_RTC_CLASS is not set
> 
> #
> # DMA Engine support
> #
> # CONFIG_DMA_ENGINE is not set
> 
> #
> # DMA Clients
> #
> 
> #
> # DMA Devices
> #
> 
> #
> # Virtualization
> #
> # CONFIG_KVM is not set
> 
> #
> # Firmware Drivers
> #
> # CONFIG_EDD is not set
> # CONFIG_DELL_RBU is not set
> # CONFIG_DCDBAS is not set
> 
> #
> # File systems
> #
> CONFIG_EXT2_FS=y
> CONFIG_EXT2_FS_XATTR=y
> CONFIG_EXT2_FS_POSIX_ACL=y
> # CONFIG_EXT2_FS_SECURITY is not set
> # CONFIG_EXT2_FS_XIP is not set
> CONFIG_EXT3_FS=y
> CONFIG_EXT3_FS_XATTR=y
> CONFIG_EXT3_FS_POSIX_ACL=y
> # CONFIG_EXT3_FS_SECURITY is not set
> # CONFIG_EXT4DEV_FS 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 is not set
> CONFIG_JFS_FS=y
> # CONFIG_JFS_POSIX_ACL is not set
> # CONFIG_JFS_SECURITY is not set
> # CONFIG_JFS_DEBUG is not set
> # CONFIG_JFS_STATISTICS is not set
> CONFIG_FS_POSIX_ACL=y
> # CONFIG_XFS_FS is not set
> # CONFIG_GFS2_FS is not set
> # CONFIG_OCFS2_FS is not set
> # CONFIG_MINIX_FS is not set
> # CONFIG_ROMFS_FS is not set
> CONFIG_INOTIFY=y
> CONFIG_INOTIFY_USER=y
> # CONFIG_QUOTA is not set
> CONFIG_DNOTIFY=y
> CONFIG_AUTOFS_FS=y
> # CONFIG_AUTOFS4_FS is not set
> # CONFIG_FUSE_FS is not set
> 
> #
> # CD-ROM/DVD Filesystems
> #
> CONFIG_ISO9660_FS=y
> # CONFIG_JOLIET is not set
> # CONFIG_ZISOFS is not set
> # CONFIG_UDF_FS is not set
> 
> #
> # DOS/FAT/NT Filesystems
> #
> # CONFIG_MSDOS_FS is not set
> # CONFIG_VFAT_FS is not set
> # CONFIG_NTFS_FS is not set
> 
> #
> # Pseudo filesystems
> #
> CONFIG_PROC_FS=y
> CONFIG_PROC_KCORE=y
> CONFIG_PROC_SYSCTL=y
> CONFIG_SYSFS=y
> CONFIG_TMPFS=y
> # CONFIG_TMPFS_POSIX_ACL is not set
> # CONFIG_HUGETLBFS is not set
> # CONFIG_HUGETLB_PAGE is not set
> CONFIG_RAMFS=y
> # CONFIG_CONFIGFS_FS is not set
> 
> #
> # 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_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_V3_ACL is not set
> # CONFIG_NFS_V4 is not set
> # CONFIG_NFS_DIRECTIO is not set
> CONFIG_NFSD=y
> CONFIG_NFSD_V3=y
> # CONFIG_NFSD_V3_ACL is not set
> # CONFIG_NFSD_V4 is not set
> CONFIG_NFSD_TCP=y
> CONFIG_LOCKD=y
> CONFIG_LOCKD_V4=y
> CONFIG_EXPORTFS=y
> CONFIG_NFS_COMMON=y
> CONFIG_SUNRPC=y
> # CONFIG_RPCSEC_GSS_KRB5 is not set
> # CONFIG_RPCSEC_GSS_SPKM3 is not set
> # CONFIG_SMB_FS is not set
> # CONFIG_CIFS is not set
> # CONFIG_NCP_FS is not set
> # CONFIG_CODA_FS is not set
> # CONFIG_AFS_FS is not set
> # CONFIG_9P_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 is not set
> # CONFIG_NLS_CODEPAGE_737 is not set
> # CONFIG_NLS_CODEPAGE_775 is not set
> # CONFIG_NLS_CODEPAGE_850 is not set
> # 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 is not set
> # 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 is not set
> # CONFIG_NLS_KOI8_R is not set
> # CONFIG_NLS_KOI8_U is not set
> # CONFIG_NLS_UTF8 is not set
> 
> #
> # Distributed Lock Manager
> #
> # CONFIG_DLM is not set
> 
> #
> # Instrumentation Support
> #
> CONFIG_PROFILING=y
> CONFIG_OPROFILE=y
> # CONFIG_KPROBES is not set
> 
> #
> # Kernel hacking
> #
> CONFIG_TRACE_IRQFLAGS_SUPPORT=y
> # CONFIG_PRINTK_TIME is not set
> CONFIG_ENABLE_MUST_CHECK=y
> CONFIG_MAGIC_SYSRQ=y
> CONFIG_UNUSED_SYMBOLS=y
> # CONFIG_DEBUG_FS is not set
> # CONFIG_HEADERS_CHECK is not set
> CONFIG_DEBUG_KERNEL=y
> CONFIG_LOG_BUF_SHIFT=18
> CONFIG_DETECT_SOFTLOCKUP=y
> # CONFIG_SCHEDSTATS is not set
> # CONFIG_TIMER_STATS is not set
> # CONFIG_DEBUG_SLAB is not set
> CONFIG_DEBUG_PREEMPT=y
> # CONFIG_DEBUG_RT_MUTEXES is not set
> # CONFIG_RT_MUTEX_TESTER is not set
> # CONFIG_DEBUG_SPINLOCK is not set
> # CONFIG_DEBUG_RWSEMS is not set
> # CONFIG_DEBUG_LOCK_ALLOC is not set
> # CONFIG_PROVE_LOCKING is not set
> # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
> # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
> CONFIG_PREEMPT_TRACE=y
> # CONFIG_EVENT_TRACE is not set
> # CONFIG_FUNCTION_TRACE is not set
> CONFIG_WAKEUP_TIMING=y
> # CONFIG_LATENCY_TRACE is not set
> # CONFIG_CRITICAL_PREEMPT_TIMING is not set
> # CONFIG_CRITICAL_IRQSOFF_TIMING is not set
> # CONFIG_WAKEUP_LATENCY_HIST is not set
> CONFIG_LATENCY_TIMING=y
> # CONFIG_DEBUG_KOBJECT is not set
> CONFIG_DEBUG_BUGVERBOSE=y
> # CONFIG_DEBUG_INFO is not set
> # CONFIG_DEBUG_VM is not set
> # CONFIG_DEBUG_LIST is not set
> # CONFIG_FRAME_POINTER is not set
> # CONFIG_UNWIND_INFO is not set
> CONFIG_FORCED_INLINING=y
> CONFIG_RCU_TORTURE_TEST=m
> # CONFIG_DEBUG_RODATA is not set
> CONFIG_IOMMU_DEBUG=y
> CONFIG_IOMMU_LEAK=y
> # CONFIG_DEBUG_STACKOVERFLOW is not set
> # CONFIG_DEBUG_STACK_USAGE is not set
> 
> #
> # Security options
> #
> # CONFIG_KEYS is not set
> # CONFIG_SECURITY is not set
> 
> #
> # Cryptographic options
> #
> # CONFIG_CRYPTO is not set
> 
> #
> # Library routines
> #
> CONFIG_BITREVERSE=y
> # CONFIG_CRC_CCITT is not set
> # CONFIG_CRC16 is not set
> CONFIG_CRC32=y
> # CONFIG_LIBCRC32C is not set
> CONFIG_PLIST=y
> CONFIG_IOMAP_COPY=y
> -
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