Reply-To: akpm@linux-foundation.org

On Wed, 25 Jul 2007 04:29:33 -0700 (PDT)
bugme-daemon@bugzilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=8808
> 
>            Summary: Large file transfer causes kernel panic showing b44_poll
>            Product: Drivers
>            Version: 2.5
>      KernelVersion: 2.6.22.1
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: blocking
>           Priority: P1
>          Component: Network
>         AssignedTo: jgarzik@pobox.com
>         ReportedBy: simsondem@gmail.com
> 
> 
> Most recent kernel where this bug did not occur: /
> Distribution: ttylinux 
> Hardware Environment: Dell Inspiron 1300
> Problem Description: 
> 
> A large file transfer (6.5GB) (tried http with wget and plain netcat) causes
> a
> kernel panic after more than several GB have been transferred. However,
> kernel
> panic does not occur consistently. That is, it has occurred after 1.2GB,
> 1.8GB,
> 2.3GB and even 3.4GB transferred. Transfer never finished though. 
> 
> Call trace: 
> [<c027d02b>] b44_poll+0x220/0x459
> [<c027d032>] b44_poll+0x220/0x459
> [<c031b59e>] net_rx_action+0x52/0x110
> [<c01109e4>] __do_softirq+0x35/0x75
> [<c0110a46>] do_softirq+0x22/0x26
> [<c010400f>] do_IRQ+0x55/0x6a
> [<c0102997>] common_interrupt+0x23/0x28
> [<c01e3e43>] acpi_processor_idle+0x1dd/0x35e
> [<c0100b51>] cpu_idle+0x3c/0x51
> [<c04a6a2c>] start_kernel+0x24a/0x252
> [<c04a63d0>] unknown_bootoption+0x0/0x205
> 
> Code: lots of numbers
> EIP: [<c0314cb8>] skb_over_panic+0x59/0x5d SS:ESP 0068:c04a5ed8
> Kernel panic - not syncing: Fatal exception in interrupt
> 
> Steps to reproduce:
> Network boot ttylinux (standard filesys with dhcp enabled) with custom kernel
> (see below for config) compiled as bzImage on Dell Inspiron 1300 using
> /dev/ram0 as root filesystem. Mount hdd ext3 and attempt to download 6.5GB
> image file from local server. Both netcat and wget attempts fail as described
> above.
> 
> Kernel config:
> 
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.22.1
> # Wed Jul 25 14:53:11 2007
> #
> CONFIG_X86_32=y
> CONFIG_GENERIC_TIME=y
> CONFIG_CLOCKSOURCE_WATCHDOG=y
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_STACKTRACE_SUPPORT=y
> CONFIG_SEMAPHORE_SLEEPERS=y
> CONFIG_X86=y
> CONFIG_MMU=y
> CONFIG_ZONE_DMA=y
> CONFIG_QUICKLIST=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_GENERIC_BUG=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
> CONFIG_DMI=y
> CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
> 
> #
> # Code maturity level options
> #
> CONFIG_EXPERIMENTAL=y
> CONFIG_BROKEN_ON_SMP=y
> CONFIG_INIT_ENV_ARG_LIMIT=32
> 
> #
> # General setup
> #
> CONFIG_LOCALVERSION=""
> # CONFIG_LOCALVERSION_AUTO is not set
> CONFIG_SWAP=y
> CONFIG_SYSVIPC=y
> # CONFIG_IPC_NS is not set
> CONFIG_SYSVIPC_SYSCTL=y
> # 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=y
> CONFIG_IKCONFIG_PROC=y
> CONFIG_LOG_BUF_SHIFT=14
> CONFIG_SYSFS_DEPRECATED=y
> # CONFIG_RELAY is not set
> CONFIG_BLK_DEV_INITRD=y
> 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_ANON_INODES=y
> CONFIG_EPOLL=y
> CONFIG_SIGNALFD=y
> CONFIG_TIMERFD=y
> CONFIG_EVENTFD=y
> CONFIG_SHMEM=y
> CONFIG_VM_EVENT_COUNTERS=y
> CONFIG_SLAB=y
> # CONFIG_SLUB is not set
> # CONFIG_SLOB is not set
> CONFIG_RT_MUTEXES=y
> # CONFIG_TINY_SHMEM is not set
> CONFIG_BASE_SMALL=0
> 
> #
> # Loadable module support
> #
> # CONFIG_MODULES is not set
> 
> #
> # Block layer
> #
> CONFIG_BLOCK=y
> # CONFIG_LBD is not set
> # CONFIG_BLK_DEV_IO_TRACE is not set
> # CONFIG_LSF is not set
> 
> #
> # IO Schedulers
> #
> CONFIG_IOSCHED_NOOP=y
> # CONFIG_IOSCHED_AS is not set
> CONFIG_IOSCHED_DEADLINE=y
> # CONFIG_IOSCHED_CFQ is not set
> # CONFIG_DEFAULT_AS is not set
> CONFIG_DEFAULT_DEADLINE=y
> # CONFIG_DEFAULT_CFQ is not set
> # CONFIG_DEFAULT_NOOP is not set
> CONFIG_DEFAULT_IOSCHED="deadline"
> 
> #
> # Processor type and features
> #
> # CONFIG_TICK_ONESHOT is not set
> # CONFIG_NO_HZ is not set
> # CONFIG_HIGH_RES_TIMERS is not set
> # CONFIG_SMP is not set
> 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_PARAVIRT is not set
> CONFIG_M386=y
> # 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_MCORE2 is not set
> # CONFIG_MPENTIUM4 is not set
> # CONFIG_MK6 is not set
> # CONFIG_MK7 is not set
> # CONFIG_MK8 is not set
> # CONFIG_MCRUSOE is not set
> # CONFIG_MEFFICEON is not set
> # CONFIG_MWINCHIPC6 is not set
> # CONFIG_MWINCHIP2 is not set
> # CONFIG_MWINCHIP3D is not set
> # CONFIG_MGEODEGX1 is not set
> # CONFIG_MGEODE_LX is not set
> # CONFIG_MCYRIXIII is not set
> # CONFIG_MVIAC3_2 is not set
> # CONFIG_MVIAC7 is not set
> # CONFIG_X86_GENERIC is not set
> CONFIG_X86_L1_CACHE_SHIFT=4
> CONFIG_RWSEM_GENERIC_SPINLOCK=y
> # CONFIG_ARCH_HAS_ILOG2_U32 is not set
> # CONFIG_ARCH_HAS_ILOG2_U64 is not set
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_X86_PPRO_FENCE=y
> CONFIG_X86_F00F_BUG=y
> CONFIG_X86_MINIMUM_CPU_MODEL=0
> # CONFIG_HPET_TIMER is not set
> CONFIG_PREEMPT_NONE=y
> # CONFIG_PREEMPT_VOLUNTARY is not set
> # CONFIG_PREEMPT is not set
> # CONFIG_X86_UP_APIC is not set
> # CONFIG_X86_MCE is not set
> CONFIG_VM86=y
> # CONFIG_TOSHIBA is not set
> CONFIG_I8K=y
> # CONFIG_X86_REBOOTFIXUPS is not set
> # CONFIG_MICROCODE is not set
> # CONFIG_X86_MSR is not set
> # CONFIG_X86_CPUID is not set
> 
> #
> # Firmware Drivers
> #
> # CONFIG_EDD is not set
> # CONFIG_DELL_RBU is not set
> # CONFIG_DCDBAS is not set
> CONFIG_NOHIGHMEM=y
> # CONFIG_HIGHMEM4G is not set
> # CONFIG_HIGHMEM64G is not set
> CONFIG_PAGE_OFFSET=0xC0000000
> CONFIG_ARCH_FLATMEM_ENABLE=y
> CONFIG_ARCH_SPARSEMEM_ENABLE=y
> CONFIG_ARCH_SELECT_MEMORY_MODEL=y
> CONFIG_ARCH_POPULATES_NODE_MAP=y
> CONFIG_SELECT_MEMORY_MODEL=y
> CONFIG_FLATMEM_MANUAL=y
> # CONFIG_DISCONTIGMEM_MANUAL is not set
> # CONFIG_SPARSEMEM_MANUAL is not set
> CONFIG_FLATMEM=y
> CONFIG_FLAT_NODE_MEM_MAP=y
> CONFIG_SPARSEMEM_STATIC=y
> CONFIG_SPLIT_PTLOCK_CPUS=4
> # CONFIG_RESOURCES_64BIT is not set
> CONFIG_ZONE_DMA_FLAG=1
> CONFIG_NR_QUICK=1
> CONFIG_MATH_EMULATION=y
> # CONFIG_MTRR is not set
> # CONFIG_EFI is not set
> # CONFIG_SECCOMP 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_KEXEC is not set
> CONFIG_PHYSICAL_START=0x100000
> # CONFIG_RELOCATABLE is not set
> CONFIG_PHYSICAL_ALIGN=0x100000
> CONFIG_COMPAT_VDSO=y
> 
> #
> # Power management options (ACPI, APM)
> #
> CONFIG_PM=y
> # CONFIG_PM_LEGACY is not set
> # CONFIG_PM_DEBUG is not set
> # CONFIG_PM_SYSFS_DEPRECATED is not set
> # CONFIG_SOFTWARE_SUSPEND is not set
> 
> #
> # ACPI (Advanced Configuration and Power Interface) Support
> #
> CONFIG_ACPI=y
> # CONFIG_ACPI_SLEEP is not set
> CONFIG_ACPI_PROCFS=y
> # CONFIG_ACPI_AC is not set
> # CONFIG_ACPI_BATTERY is not set
> # CONFIG_ACPI_BUTTON is not set
> CONFIG_ACPI_FAN=y
> # CONFIG_ACPI_DOCK is not set
> CONFIG_ACPI_PROCESSOR=y
> CONFIG_ACPI_THERMAL=y
> # CONFIG_ACPI_ASUS is not set
> # CONFIG_ACPI_TOSHIBA is not set
> CONFIG_ACPI_BLACKLIST_YEAR=0
> # CONFIG_ACPI_DEBUG is not set
> CONFIG_ACPI_EC=y
> CONFIG_ACPI_POWER=y
> CONFIG_ACPI_SYSTEM=y
> CONFIG_X86_PM_TIMER=y
> # CONFIG_ACPI_CONTAINER is not set
> # CONFIG_ACPI_SBS is not set
> # CONFIG_APM 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_PCIEPORTBUS is not set
> # CONFIG_ARCH_SUPPORTS_MSI is not set
> # CONFIG_PCI_DEBUG is not set
> CONFIG_ISA_DMA_API=y
> CONFIG_ISA=y
> # CONFIG_EISA is not set
> # CONFIG_MCA is not set
> # CONFIG_SCx200 is not set
> 
> #
> # PCCARD (PCMCIA/CardBus) support
> #
> # CONFIG_PCCARD is not set
> # CONFIG_HOTPLUG_PCI is not set
> 
> #
> # Executable file formats
> #
> CONFIG_BINFMT_ELF=y
> # CONFIG_BINFMT_AOUT is not set
> # CONFIG_BINFMT_MISC is not set
> 
> #
> # Networking
> #
> CONFIG_NET=y
> 
> #
> # Networking options
> #
> 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_XFRM_MIGRATE is not set
> # CONFIG_NET_KEY is not set
> CONFIG_INET=y
> # CONFIG_IP_MULTICAST is not set
> # 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_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 is not set
> # CONFIG_TCP_CONG_ADVANCED is not set
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"
> # CONFIG_TCP_MD5SIG is not set
> # CONFIG_IP_VS 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=y
> # CONFIG_NETFILTER_DEBUG is not set
> 
> #
> # Core Netfilter Configuration
> #
> CONFIG_NETFILTER_NETLINK=y
> # CONFIG_NETFILTER_NETLINK_QUEUE is not set
> # CONFIG_NETFILTER_NETLINK_LOG is not set
> # CONFIG_NF_CONNTRACK_ENABLED is not set
> # CONFIG_NF_CONNTRACK is not set
> CONFIG_NETFILTER_XTABLES=y
> # CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
> # CONFIG_NETFILTER_XT_TARGET_DSCP is not set
> CONFIG_NETFILTER_XT_TARGET_MARK=y
> # CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set
> # CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
> # CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
> # CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
> # CONFIG_NETFILTER_XT_MATCH_DCCP is not set
> # CONFIG_NETFILTER_XT_MATCH_DSCP is not set
> # CONFIG_NETFILTER_XT_MATCH_ESP is not set
> CONFIG_NETFILTER_XT_MATCH_LENGTH=y
> CONFIG_NETFILTER_XT_MATCH_LIMIT=y
> CONFIG_NETFILTER_XT_MATCH_MAC=y
> CONFIG_NETFILTER_XT_MATCH_MARK=y
> # CONFIG_NETFILTER_XT_MATCH_POLICY is not set
> # CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
> CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
> # CONFIG_NETFILTER_XT_MATCH_QUOTA is not set
> CONFIG_NETFILTER_XT_MATCH_REALM=y
> # CONFIG_NETFILTER_XT_MATCH_SCTP is not set
> # CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set
> # CONFIG_NETFILTER_XT_MATCH_STRING is not set
> CONFIG_NETFILTER_XT_MATCH_TCPMSS=y
> # CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
> 
> #
> # IP: Netfilter Configuration
> #
> # CONFIG_IP_NF_QUEUE is not set
> CONFIG_IP_NF_IPTABLES=y
> CONFIG_IP_NF_MATCH_IPRANGE=y
> CONFIG_IP_NF_MATCH_TOS=y
> CONFIG_IP_NF_MATCH_RECENT=y
> CONFIG_IP_NF_MATCH_ECN=y
> # CONFIG_IP_NF_MATCH_AH is not set
> CONFIG_IP_NF_MATCH_TTL=y
> CONFIG_IP_NF_MATCH_OWNER=y
> CONFIG_IP_NF_MATCH_ADDRTYPE=y
> CONFIG_IP_NF_FILTER=y
> CONFIG_IP_NF_TARGET_REJECT=y
> CONFIG_IP_NF_TARGET_LOG=y
> # CONFIG_IP_NF_TARGET_ULOG is not set
> CONFIG_IP_NF_MANGLE=y
> CONFIG_IP_NF_TARGET_TOS=y
> CONFIG_IP_NF_TARGET_ECN=y
> CONFIG_IP_NF_TARGET_TTL=y
> # CONFIG_IP_NF_RAW is not set
> # CONFIG_IP_NF_ARPTABLES is not set
> # CONFIG_IP_DCCP is not set
> # CONFIG_IP_SCTP is not set
> # 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
> CONFIG_NET_CLS_ROUTE=y
> 
> #
> # Network testing
> #
> # CONFIG_NET_PKTGEN is not set
> # CONFIG_HAMRADIO is not set
> # CONFIG_IRDA is not set
> # CONFIG_BT is not set
> # CONFIG_AF_RXRPC is not set
> 
> #
> # Wireless
> #
> # CONFIG_CFG80211 is not set
> # CONFIG_WIRELESS_EXT is not set
> # CONFIG_MAC80211 is not set
> # CONFIG_IEEE80211 is not set
> # CONFIG_RFKILL is not set
> 
> #
> # Device Drivers
> #
> 
> #
> # Generic Driver Options
> #
> CONFIG_STANDALONE=y
> CONFIG_PREVENT_FIRMWARE_BUILD=y
> CONFIG_FW_LOADER=y
> # CONFIG_DEBUG_DRIVER is not set
> # CONFIG_DEBUG_DEVRES is not set
> # CONFIG_SYS_HYPERVISOR is not set
> 
> #
> # Connector - unified userspace <-> kernelspace linker
> #
> # CONFIG_CONNECTOR is not set
> # 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 is not set
> # CONFIG_PNPBIOS is not set
> CONFIG_PNPACPI=y
> 
> #
> # 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_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_UB 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_CDROM_PKTCDVD is not set
> # CONFIG_ATA_OVER_ETH is not set
> 
> #
> # Misc devices
> #
> # CONFIG_IBM_ASM is not set
> # CONFIG_PHANTOM is not set
> # CONFIG_SGI_IOC4 is not set
> # CONFIG_TIFM_CORE is not set
> # CONFIG_SONY_LAPTOP is not set
> # CONFIG_THINKPAD_ACPI is not set
> 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_BLK_DEV_IDEACPI is not set
> # CONFIG_IDE_TASK_IOCTL is not set
> CONFIG_IDE_PROC_FS=y
> 
> #
> # IDE chipset support/bugfixes
> #
> CONFIG_IDE_GENERIC=y
> CONFIG_BLK_DEV_CMD640=y
> # CONFIG_BLK_DEV_CMD640_ENHANCED is not set
> # CONFIG_BLK_DEV_IDEPNP is not set
> CONFIG_BLK_DEV_IDEPCI=y
> CONFIG_IDEPCI_SHARE_IRQ=y
> CONFIG_IDEPCI_PCIBUS_ORDER=y
> # CONFIG_BLK_DEV_OFFBOARD is not set
> CONFIG_BLK_DEV_GENERIC=y
> CONFIG_BLK_DEV_OPTI621=y
> CONFIG_BLK_DEV_RZ1000=y
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> # CONFIG_BLK_DEV_IDEDMA_FORCED is not set
> # CONFIG_IDEDMA_ONLYDISK is not set
> CONFIG_BLK_DEV_AEC62XX=y
> CONFIG_BLK_DEV_ALI15X3=y
> # CONFIG_WDC_ALI15X3 is not set
> CONFIG_BLK_DEV_AMD74XX=y
> CONFIG_BLK_DEV_ATIIXP=y
> CONFIG_BLK_DEV_CMD64X=y
> CONFIG_BLK_DEV_TRIFLEX=y
> CONFIG_BLK_DEV_CY82C693=y
> CONFIG_BLK_DEV_CS5520=y
> CONFIG_BLK_DEV_CS5530=y
> CONFIG_BLK_DEV_CS5535=y
> CONFIG_BLK_DEV_HPT34X=y
> # CONFIG_HPT34X_AUTODMA is not set
> CONFIG_BLK_DEV_HPT366=y
> # CONFIG_BLK_DEV_JMICRON is not set
> CONFIG_BLK_DEV_SC1200=y
> CONFIG_BLK_DEV_PIIX=y
> # CONFIG_BLK_DEV_IT8213 is not set
> CONFIG_BLK_DEV_IT821X=y
> CONFIG_BLK_DEV_NS87415=y
> CONFIG_BLK_DEV_PDC202XX_OLD=y
> # CONFIG_PDC202XX_BURST is not set
> CONFIG_BLK_DEV_PDC202XX_NEW=y
> CONFIG_BLK_DEV_SVWKS=y
> CONFIG_BLK_DEV_SIIMAGE=y
> CONFIG_BLK_DEV_SIS5513=y
> CONFIG_BLK_DEV_SLC90E66=y
> CONFIG_BLK_DEV_TRM290=y
> CONFIG_BLK_DEV_VIA82CXXX=y
> # CONFIG_BLK_DEV_TC86C001 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_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=y
> # CONFIG_BLK_DEV_SR_VENDOR 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 is not set
> # CONFIG_SCSI_CONSTANTS is not set
> # CONFIG_SCSI_LOGGING is not set
> # CONFIG_SCSI_SCAN_ASYNC is not set
> 
> #
> # SCSI Transports
> #
> # CONFIG_SCSI_SPI_ATTRS is not set
> # 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_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 is not set
> # CONFIG_SCSI_AIC7XXX_OLD is not set
> # CONFIG_SCSI_AIC79XX is not set
> # CONFIG_SCSI_AIC94XX is not set
> # CONFIG_SCSI_DPT_I2O is not set
> # CONFIG_SCSI_ADVANSYS is not set
> # CONFIG_SCSI_IN2000 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_DTC3280 is not set
> # CONFIG_SCSI_EATA 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_STEX is not set
> # CONFIG_SCSI_SYM53C8XX_2 is not set
> # CONFIG_SCSI_PAS16 is not set
> # CONFIG_SCSI_PSI240I is not set
> # CONFIG_SCSI_QLOGIC_FAS 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_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
> # CONFIG_SCSI_SRP is not set
> # CONFIG_ATA 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 is not set
> 
> #
> # Fusion MPT device support
> #
> # CONFIG_FUSION is not set
> # CONFIG_FUSION_SPI is not set
> # CONFIG_FUSION_FC is not set
> # CONFIG_FUSION_SAS is not set
> 
> #
> # IEEE 1394 (FireWire) support
> #
> # CONFIG_FIREWIRE is not set
> # CONFIG_IEEE1394 is not set
> 
> #
> # I2O device support
> #
> # CONFIG_I2O is not set
> # CONFIG_MACINTOSH_DRIVERS 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
> # CONFIG_NET_SB1000 is not set
> # CONFIG_ARCNET is not set
> # 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=y
> # CONFIG_EL1 is not set
> # CONFIG_EL2 is not set
> # CONFIG_ELPLUS is not set
> # CONFIG_EL16 is not set
> # CONFIG_EL3 is not set
> # CONFIG_3C515 is not set
> CONFIG_VORTEX=y
> CONFIG_TYPHOON=y
> CONFIG_LANCE=y
> # CONFIG_NET_VENDOR_SMC is not set
> # CONFIG_NET_VENDOR_RACAL is not set
> 
> #
> # Tulip family network device support
> #
> CONFIG_NET_TULIP=y
> # CONFIG_DE2104X is not set
> CONFIG_TULIP=y
> # CONFIG_TULIP_MWI is not set
> # CONFIG_TULIP_MMIO is not set
> # CONFIG_TULIP_NAPI is not set
> # CONFIG_DE4X5 is not set
> # CONFIG_WINBOND_840 is not set
> CONFIG_DM9102=y
> CONFIG_ULI526X=y
> # CONFIG_AT1700 is not set
> # CONFIG_DEPCA is not set
> CONFIG_HP100=y
> # CONFIG_NET_ISA is not set
> CONFIG_NET_PCI=y
> CONFIG_PCNET32=y
> # CONFIG_PCNET32_NAPI is not set
> CONFIG_AMD8111_ETH=y
> # CONFIG_AMD8111E_NAPI is not set
> CONFIG_ADAPTEC_STARFIRE=y
> # CONFIG_ADAPTEC_STARFIRE_NAPI is not set
> # CONFIG_AC3200 is not set
> # CONFIG_APRICOT is not set
> CONFIG_B44=y
> CONFIG_FORCEDETH=y
> # CONFIG_FORCEDETH_NAPI is not set
> # CONFIG_CS89x0 is not set
> CONFIG_DGRS=y
> CONFIG_EEPRO100=y
> # CONFIG_E100 is not set
> CONFIG_FEALNX=y
> CONFIG_NATSEMI=y
> CONFIG_NE2K_PCI=y
> # CONFIG_8139CP is not set
> CONFIG_8139TOO=y
> CONFIG_8139TOO_PIO=y
> # CONFIG_8139TOO_TUNE_TWISTER is not set
> # CONFIG_8139TOO_8129 is not set
> # CONFIG_8139_OLD_RX_RESET is not set
> CONFIG_SIS900=y
> CONFIG_EPIC100=y
> CONFIG_SUNDANCE=y
> # CONFIG_SUNDANCE_MMIO is not set
> CONFIG_TLAN=y
> CONFIG_VIA_RHINE=y
> # CONFIG_VIA_RHINE_MMIO is not set
> # CONFIG_VIA_RHINE_NAPI is not set
> # CONFIG_SC92031 is not set
> CONFIG_NETDEV_1000=y
> CONFIG_ACENIC=y
> # CONFIG_ACENIC_OMIT_TIGON_I is not set
> CONFIG_DL2K=y
> CONFIG_E1000=y
> # CONFIG_E1000_NAPI is not set
> # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
> CONFIG_NS83820=y
> CONFIG_HAMACHI=y
> CONFIG_YELLOWFIN=y
> CONFIG_R8169=y
> # CONFIG_R8169_NAPI is not set
> CONFIG_SIS190=y
> CONFIG_SKGE=y
> CONFIG_SKY2=y
> # CONFIG_SK98LIN is not set
> CONFIG_VIA_VELOCITY=y
> CONFIG_TIGON3=y
> CONFIG_BNX2=y
> # CONFIG_QLA3XXX is not set
> # CONFIG_ATL1 is not set
> CONFIG_NETDEV_10000=y
> CONFIG_CHELSIO_T1=y
> # CONFIG_CHELSIO_T1_1G is not set
> CONFIG_CHELSIO_T1_NAPI=y
> # CONFIG_CHELSIO_T3 is not set
> CONFIG_IXGB=y
> # CONFIG_IXGB_NAPI is not set
> CONFIG_S2IO=y
> # CONFIG_S2IO_NAPI is not set
> # CONFIG_MYRI10GE is not set
> # CONFIG_NETXEN_NIC is not set
> # CONFIG_MLX4_CORE is not set
> # CONFIG_TR is not set
> 
> #
> # Wireless LAN
> #
> # CONFIG_WLAN_PRE80211 is not set
> # CONFIG_WLAN_80211 is not set
> 
> #
> # USB Network Adapters
> #
> # CONFIG_USB_CATC is not set
> # CONFIG_USB_KAWETH is not set
> # CONFIG_USB_PEGASUS is not set
> # CONFIG_USB_RTL8150 is not set
> # CONFIG_USB_USBNET_MII is not set
> # CONFIG_USB_USBNET is not set
> # CONFIG_WAN is not set
> # CONFIG_FDDI is not set
> # CONFIG_HIPPI is not set
> CONFIG_PPP=y
> # CONFIG_PPP_MULTILINK is not set
> # CONFIG_PPP_FILTER is not set
> CONFIG_PPP_ASYNC=y
> # CONFIG_PPP_SYNC_TTY is not set
> CONFIG_PPP_DEFLATE=y
> CONFIG_PPP_BSDCOMP=y
> # CONFIG_PPP_MPPE is not set
> # CONFIG_PPPOE is not set
> # CONFIG_SLIP is not set
> CONFIG_SLHC=y
> # 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
> # CONFIG_INPUT_POLLDEV 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 is not set
> # 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_PS2_ALPS=y
> CONFIG_MOUSE_PS2_LOGIPS2PP=y
> CONFIG_MOUSE_PS2_SYNAPTICS=y
> CONFIG_MOUSE_PS2_LIFEBOOK=y
> CONFIG_MOUSE_PS2_TRACKPOINT=y
> # CONFIG_MOUSE_PS2_TOUCHKIT is not set
> # CONFIG_MOUSE_SERIAL is not set
> # CONFIG_MOUSE_APPLETOUCH is not set
> # CONFIG_MOUSE_INPORT is not set
> # CONFIG_MOUSE_LOGIBM is not set
> # CONFIG_MOUSE_PC110PAD is not set
> # CONFIG_MOUSE_VSXXXAA is not set
> # CONFIG_INPUT_JOYSTICK is not set
> # CONFIG_INPUT_TABLET 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 is not set
> CONFIG_SERIAL_8250_PCI=y
> CONFIG_SERIAL_8250_PNP=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_JSM is not set
> CONFIG_UNIX98_PTYS=y
> CONFIG_LEGACY_PTYS=y
> CONFIG_LEGACY_PTY_COUNT=256
> 
> #
> # IPMI
> #
> # CONFIG_IPMI_HANDLER is not set
> # CONFIG_WATCHDOG is not set
> # CONFIG_HW_RANDOM is not set
> CONFIG_NVRAM=y
> CONFIG_RTC=y
> # CONFIG_DTLK is not set
> # CONFIG_R3964 is not set
> # CONFIG_APPLICOM is not set
> # CONFIG_SONYPI is not set
> # CONFIG_AGP is not set
> # CONFIG_DRM is not set
> # CONFIG_MWAVE is not set
> # CONFIG_PC8736x_GPIO is not set
> # CONFIG_NSC_GPIO is not set
> # CONFIG_CS5535_GPIO is not set
> # CONFIG_RAW_DRIVER is not set
> # CONFIG_HPET is not set
> # CONFIG_HANGCHECK_TIMER is not set
> 
> #
> # TPM devices
> #
> # CONFIG_TCG_TPM is not set
> # CONFIG_TELCLOCK is not set
> CONFIG_DEVPORT=y
> # 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
> # CONFIG_HWMON is not set
> 
> #
> # Multifunction device drivers
> #
> # CONFIG_MFD_SM501 is not set
> 
> #
> # Multimedia devices
> #
> # CONFIG_VIDEO_DEV is not set
> # CONFIG_DVB_CORE is not set
> CONFIG_DAB=y
> # CONFIG_USB_DABUSB is not set
> 
> #
> # Graphics support
> #
> # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
> 
> #
> # Display device support
> #
> # CONFIG_DISPLAY_SUPPORT is not set
> # CONFIG_VGASTATE is not set
> # 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_MDA_CONSOLE is not set
> CONFIG_DUMMY_CONSOLE=y
> 
> #
> # Sound
> #
> # CONFIG_SOUND is not set
> 
> #
> # HID Devices
> #
> CONFIG_HID=y
> # CONFIG_HID_DEBUG is not set
> 
> #
> # USB Input Devices
> #
> CONFIG_USB_HID=y
> # CONFIG_USB_HIDINPUT_POWERBOOK is not set
> # CONFIG_HID_FF is not set
> # CONFIG_USB_HIDDEV is not set
> 
> #
> # USB support
> #
> CONFIG_USB_ARCH_HAS_HCD=y
> CONFIG_USB_ARCH_HAS_OHCI=y
> CONFIG_USB_ARCH_HAS_EHCI=y
> CONFIG_USB=y
> # CONFIG_USB_DEBUG is not set
> 
> #
> # Miscellaneous USB options
> #
> CONFIG_USB_DEVICEFS=y
> CONFIG_USB_DEVICE_CLASS=y
> # CONFIG_USB_DYNAMIC_MINORS is not set
> # CONFIG_USB_SUSPEND is not set
> # CONFIG_USB_OTG is not set
> 
> #
> # USB Host Controller Drivers
> #
> CONFIG_USB_EHCI_HCD=y
> # CONFIG_USB_EHCI_SPLIT_ISO is not set
> # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
> # CONFIG_USB_EHCI_TT_NEWSCHED is not set
> # CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set
> CONFIG_USB_ISP116X_HCD=y
> CONFIG_USB_OHCI_HCD=y
> # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
> # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
> CONFIG_USB_OHCI_LITTLE_ENDIAN=y
> CONFIG_USB_UHCI_HCD=y
> CONFIG_USB_SL811_HCD=y
> 
> #
> # USB Device Class drivers
> #
> # CONFIG_USB_ACM is not set
> # CONFIG_USB_PRINTER is not set
> 
> #
> # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
> #
> 
> #
> # may also be needed; see USB_STORAGE Help for more information
> #
> CONFIG_USB_STORAGE=y
> # CONFIG_USB_STORAGE_DEBUG is not set
> # CONFIG_USB_STORAGE_DATAFAB is not set
> # CONFIG_USB_STORAGE_FREECOM is not set
> # CONFIG_USB_STORAGE_ISD200 is not set
> # CONFIG_USB_STORAGE_DPCM is not set
> # CONFIG_USB_STORAGE_USBAT is not set
> # CONFIG_USB_STORAGE_SDDR09 is not set
> # CONFIG_USB_STORAGE_SDDR55 is not set
> # CONFIG_USB_STORAGE_JUMPSHOT is not set
> # CONFIG_USB_STORAGE_ALAUDA is not set
> # CONFIG_USB_STORAGE_KARMA is not set
> # CONFIG_USB_LIBUSUAL is not set
> 
> #
> # USB Imaging devices
> #
> # CONFIG_USB_MDC800 is not set
> # CONFIG_USB_MICROTEK is not set
> # CONFIG_USB_MON is not set
> 
> #
> # USB port drivers
> #
> 
> #
> # USB Serial Converter support
> #
> # CONFIG_USB_SERIAL is not set
> 
> #
> # USB Miscellaneous drivers
> #
> # CONFIG_USB_EMI62 is not set
> # CONFIG_USB_EMI26 is not set
> # CONFIG_USB_ADUTUX is not set
> # CONFIG_USB_AUERSWALD is not set
> # CONFIG_USB_RIO500 is not set
> # CONFIG_USB_LEGOTOWER is not set
> # CONFIG_USB_LCD is not set
> # CONFIG_USB_BERRY_CHARGE is not set
> # CONFIG_USB_LED is not set
> # CONFIG_USB_CYPRESS_CY7C63 is not set
> # CONFIG_USB_CYTHERM is not set
> # CONFIG_USB_PHIDGET is not set
> # CONFIG_USB_IDMOUSE is not set
> # CONFIG_USB_FTDI_ELAN is not set
> # CONFIG_USB_APPLEDISPLAY is not set
> # CONFIG_USB_SISUSBVGA is not set
> # CONFIG_USB_LD is not set
> # CONFIG_USB_TRANCEVIBRATOR is not set
> # CONFIG_USB_IOWARRIOR is not set
> # CONFIG_USB_TEST is not set
> 
> #
> # USB DSL modem support
> #
> 
> #
> # USB Gadget Support
> #
> # CONFIG_USB_GADGET is not set
> # 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
> 
> #
> # File systems
> #
> CONFIG_EXT2_FS=y
> # CONFIG_EXT2_FS_XATTR is not set
> # CONFIG_EXT2_FS_XIP is not set
> CONFIG_EXT3_FS=y
> # CONFIG_EXT3_FS_XATTR is not set
> # CONFIG_EXT4DEV_FS is not set
> CONFIG_JBD=y
> # CONFIG_JBD_DEBUG is not set
> # CONFIG_REISERFS_FS is not set
> # CONFIG_JFS_FS is not set
> # CONFIG_FS_POSIX_ACL is not set
> # 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 is not set
> # CONFIG_QUOTA is not set
> CONFIG_DNOTIFY=y
> # CONFIG_AUTOFS_FS is not set
> # CONFIG_AUTOFS4_FS is not set
> # CONFIG_FUSE_FS is not set
> 
> #
> # CD-ROM/DVD Filesystems
> #
> CONFIG_ISO9660_FS=y
> CONFIG_JOLIET=y
> CONFIG_ZISOFS=y
> CONFIG_UDF_FS=y
> CONFIG_UDF_NLS=y
> 
> #
> # DOS/FAT/NT Filesystems
> #
> CONFIG_FAT_FS=y
> CONFIG_MSDOS_FS=y
> CONFIG_VFAT_FS=y
> 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_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 is not set
> # CONFIG_NFS_V4 is not set
> # CONFIG_NFS_DIRECTIO is not set
> # CONFIG_NFSD is not set
> CONFIG_LOCKD=y
> CONFIG_NFS_COMMON=y
> CONFIG_SUNRPC=y
> # CONFIG_SUNRPC_BIND34 is not set
> # 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=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
> 
> #
> # Distributed Lock Manager
> #
> # CONFIG_DLM is not set
> 
> #
> # Instrumentation Support
> #
> # CONFIG_PROFILING 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_DEBUG_SHIRQ is not set
> # CONFIG_DETECT_SOFTLOCKUP is not set
> # CONFIG_SCHEDSTATS is not set
> # CONFIG_TIMER_STATS is not set
> # CONFIG_DEBUG_SLAB is not set
> # CONFIG_DEBUG_RT_MUTEXES is not set
> # CONFIG_RT_MUTEX_TESTER is not set
> # CONFIG_DEBUG_SPINLOCK is not set
> # CONFIG_DEBUG_MUTEXES 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_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_FORCED_INLINING=y
> # CONFIG_FAULT_INJECTION is not set
> CONFIG_EARLY_PRINTK=y
> # CONFIG_DEBUG_STACKOVERFLOW is not set
> # CONFIG_DEBUG_STACK_USAGE is not set
> # CONFIG_DEBUG_PAGEALLOC is not set
> # CONFIG_DEBUG_RODATA is not set
> # CONFIG_4KSTACKS is not set
> CONFIG_DOUBLEFAULT=y
> 
> #
> # 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=y
> # CONFIG_CRC16 is not set
> # CONFIG_CRC_ITU_T is not set
> CONFIG_CRC32=y
> # CONFIG_LIBCRC32C is not set
> CONFIG_ZLIB_INFLATE=y
> CONFIG_ZLIB_DEFLATE=y
> CONFIG_PLIST=y
> CONFIG_HAS_IOMEM=y
> CONFIG_HAS_IOPORT=y
> CONFIG_HAS_DMA=y
> CONFIG_GENERIC_HARDIRQS=y
> CONFIG_GENERIC_IRQ_PROBE=y
> CONFIG_X86_BIOS_REBOOT=y
> CONFIG_KTIME_SCALAR=y
> 
> 
> -- 
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Reply-To: zambrano@broadcom.com

On Wed, 2007-07-25 at 11:54 -0700, Andrew Morton wrote:
> On Wed, 25 Jul 2007 04:29:33 -0700 (PDT)
> bugme-daemon@bugzilla.kernel.org wrote:
> 
> > http://bugzilla.kernel.org/show_bug.cgi?id=8808
> > 
> >            Summary: Large file transfer causes kernel panic showing
> b44_poll
> >            Product: Drivers
> >            Version: 2.5
> >      KernelVersion: 2.6.22.1
> >           Platform: All
> >         OS/Version: Linux
> >               Tree: Mainline
> >             Status: NEW
> >           Severity: blocking
> >           Priority: P1
> >          Component: Network
> >         AssignedTo: jgarzik@pobox.com
> >         ReportedBy: simsondem@gmail.com
> > 
> > 
> > Most recent kernel where this bug did not occur: /
> > Distribution: ttylinux 
> > Hardware Environment: Dell Inspiron 1300
> > Problem Description: 
> > 
> > A large file transfer (6.5GB) (tried http with wget and plain netcat)
> causes a
> > kernel panic after more than several GB have been transferred. However,
> kernel
> > panic does not occur consistently. That is, it has occurred after 1.2GB,
> 1.8GB,
> > 2.3GB and even 3.4GB transferred. Transfer never finished though. 
> > 
I could not repro the problem, but please give this patch a try:

diff -rup a/b44.c b/b44.c
--- a/b44.c	2007-07-31 15:31:08.000000000 -0700
+++ b/b44.c	2007-08-01 08:03:08.000000000 -0700
@@ -792,15 +792,15 @@ static int b44_rx(struct b44 *bp, int bu
 			goto next_pkt;
 		}
 
-		if (len == 0) {
+		if (len < 5) {
 			int i = 0;
 
 			do {
 				udelay(2);
 				barrier();
 				len = le16_to_cpu(rh->len);
-			} while (len == 0 && i++ < 5);
-			if (len == 0)
+			} while (len < 5 && i++ < 5);
+			if (len < 5)
 				goto drop_it;
 		}
 

Any feedback on this patch?

Simson, any chance to try this patch ?