Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Borislav Petkov]

Hi,
    I just read that unwinder thread and I think I have yet another case of
    unwinder backtrace that comes up together with the recursive deadlock
    protection backtrace and this happens with 18-rc5 so I thought I should
    report it before .18 is released:

<snip>
Aug 29 10:21:22 zmei kernel: [  383.277817] 
Aug 29 10:21:22 zmei kernel: [  383.277819] =============================================
Aug 29 10:21:22 zmei kernel: [  383.284732] [ INFO: possible recursive locking detected ]
Aug 29 10:21:22 zmei kernel: [  383.290127] ---------------------------------------------
Aug 29 10:21:22 zmei kernel: [  383.295522] swapper/0 is trying to acquire lock:
Aug 29 10:21:22 zmei kernel: [  383.300139]  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 10:21:22 zmei kernel: [  383.306503] 
Aug 29 10:21:22 zmei kernel: [  383.306504] but task is already holding lock:
Aug 29 10:21:22 zmei kernel: [  383.312365]  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 10:21:22 zmei kernel: [  383.318729] 
Aug 29 10:21:22 zmei kernel: [  383.318730] other info that might help us debug this:
Aug 29 10:21:22 zmei kernel: [  383.325284] 4 locks held by swapper/0:
Aug 29 10:21:22 zmei kernel: [  383.329036]  #0:  (&tp->rx_lock){-+..}, at: [<c0208de1>] rtl8139_poll+0x42/0x405
Aug 29 10:21:22 zmei kernel: [  383.336557]  #1:  (slock-AF_INET/1){-+..}, at: [<c02a1d91>] tcp_v4_rcv+0x40c/0x8b3
Aug 29 10:21:22 zmei kernel: [  383.344280]  #2:  (af_callback_keys + sk->sk_family#3){-.-?}, at: [<c0271969>] sock_def_readable+0x15/0x69
Aug 29 10:21:22 zmei kernel: [  383.354075]  #3:  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 10:21:22 zmei kernel: [  383.360897] 
Aug 29 10:21:22 zmei kernel: [  383.360898] stack backtrace:
Aug 29 10:21:22 zmei kernel: [  383.365374]  [<c0103ba6>] show_trace_log_lvl+0x58/0x152
Aug 29 10:21:22 zmei kernel: [  383.370635]  [<c0104234>] show_trace+0xd/0x10
Aug 29 10:21:22 zmei kernel: [  383.375028]  [<c01042fc>] dump_stack+0x19/0x1b
Aug 29 10:21:22 zmei kernel: [  383.379507]  [<c012eb73>] __lock_acquire+0x74b/0x967
Aug 29 10:21:22 zmei kernel: [  383.384563]  [<c012f2d2>] lock_acquire+0x4b/0x6d
Aug 29 10:21:22 zmei kernel: [  383.389274]  [<c02b8981>] _spin_lock_irqsave+0x2c/0x3c
Aug 29 10:21:22 zmei kernel: [  383.394507]  [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 10:21:22 zmei kernel: [  383.398926]  [<c01752f0>] ep_poll_safewake+0x91/0xc3
Aug 29 10:21:22 zmei kernel: [  383.404049]  [<c0175c7f>] ep_poll_callback+0x83/0x8d
Aug 29 10:21:22 zmei kernel: [  383.409173]  [<c0111a6d>] __wake_up_common+0x2f/0x53
Aug 29 10:21:22 zmei kernel: [  383.414195]  [<c01126e8>] __wake_up+0x28/0x3b
Aug 29 10:21:22 zmei kernel: [  383.418614]  [<c027198e>] sock_def_readable+0x3a/0x69
Aug 29 10:21:22 zmei kernel: [  383.424083]  [<c0298fae>] tcp_data_queue+0x50f/0xa53
Aug 29 10:21:22 zmei kernel: [  383.429481]  [<c029abdf>] tcp_rcv_established+0x5aa/0x64f
Aug 29 10:21:22 zmei kernel: [  383.435308]  [<c029fd6a>] tcp_v4_do_rcv+0x26/0x2df
Aug 29 10:21:22 zmei kernel: [  383.440531]  [<c02a21d1>] tcp_v4_rcv+0x84c/0x8b3
Aug 29 10:21:22 zmei kernel: [  383.445582]  [<c028a470>] ip_local_deliver+0x134/0x1cc
Aug 29 10:21:22 zmei kernel: [  383.451143]  [<c028a300>] ip_rcv+0x425/0x461
Aug 29 10:21:22 zmei kernel: [  383.455835]  [<c027719b>] netif_receive_skb+0x19a/0x22d
Aug 29 10:21:22 zmei kernel: [  383.461464]  [<c0209036>] rtl8139_poll+0x297/0x405
Aug 29 10:21:22 zmei kernel: [  383.466557]  [<c0278b13>] net_rx_action+0x76/0x109
Aug 29 10:21:22 zmei kernel: [  383.471751]  [<c011d5f2>] __do_softirq+0x70/0xf0
Aug 29 10:21:22 zmei kernel: [  383.476441]  [<c010526b>] do_softirq+0x61/0xc6
Aug 29 10:21:22 zmei kernel: [  383.480920]  [<c011d575>] irq_exit+0x49/0x56
Aug 29 10:21:22 zmei kernel: [  383.485261]  [<c0105393>] do_IRQ+0xc3/0xd0
Aug 29 10:21:22 zmei kernel: [  383.489393]  [<c0103521>] common_interrupt+0x25/0x2c
Aug 29 10:21:22 zmei kernel: [  383.494387] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
Aug 29 10:21:22 zmei kernel: [  383.500304] Leftover inexact backtrace:
</snip>

... and config:

<snip>

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.18-rc5
# Tue Aug 29 09:29:15 2006
#
CONFIG_X86_32=y
CONFIG_GENERIC_TIME=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_SEMAPHORE_SLEEPERS=y
CONFIG_X86=y
CONFIG_MMU=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=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_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32

#
# General setup
#
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_CPUSETS is not set
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
CONFIG_UID16=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_EMBEDDED is not set
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
# 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_RT_MUTEXES=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=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=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_KMOD=y
CONFIG_STOP_MACHINE=y

#
# Block layer
#
# 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_SMP=y
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_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_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_GENERIC_CALIBRATE_DELAY=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_X86_TSC=y
CONFIG_HPET_TIMER=y
CONFIG_NR_CPUS=2
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_PREEMPT_BKL=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_NONFATAL=y
CONFIG_X86_MCE_P4THERMAL=y
CONFIG_VM86=y
# CONFIG_TOSHIBA is not set
# CONFIG_I8K is not set
# 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_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_MATH_EMULATION is not set
CONFIG_MTRR=y
# CONFIG_EFI is not set
CONFIG_IRQBALANCE=y
CONFIG_REGPARM=y
CONFIG_SECCOMP=y
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
CONFIG_HZ_1000=y
CONFIG_HZ=1000
# CONFIG_KEXEC is not set
CONFIG_PHYSICAL_START=0x100000
# CONFIG_HOTPLUG_CPU is not set
# CONFIG_COMPAT_VDSO is not set

#
# Power management options (ACPI, APM)
#
CONFIG_PM=y
CONFIG_PM_LEGACY=y
CONFIG_PM_DEBUG=y
# CONFIG_PM_TRACE is not set

#
# ACPI (Advanced Configuration and Power Interface) Support
#
CONFIG_ACPI=y
CONFIG_ACPI_AC=m
CONFIG_ACPI_BATTERY=m
CONFIG_ACPI_BUTTON=m
CONFIG_ACPI_VIDEO=m
# CONFIG_ACPI_HOTKEY is not set
CONFIG_ACPI_FAN=m
# CONFIG_ACPI_DOCK is not set
CONFIG_ACPI_PROCESSOR=m
CONFIG_ACPI_THERMAL=m
# CONFIG_ACPI_ASUS is not set
# CONFIG_ACPI_IBM 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

#
# APM (Advanced Power Management) BIOS Support
#
# 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_PCI_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

#
# PCI Hotplug Support
#
# CONFIG_HOTPLUG_PCI is not set

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

#
# Networking
#
CONFIG_NET=y

#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
# 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=m
CONFIG_NET_IPGRE=m
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
# 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=m
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
CONFIG_INET_DIAG=m
CONFIG_INET_TCP_DIAG=m
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_BIC=y

#
# IP: Virtual Server Configuration
#
# 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
CONFIG_BRIDGE_NETFILTER=y

#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_NETLINK=m
CONFIG_NETFILTER_NETLINK_QUEUE=m
CONFIG_NETFILTER_NETLINK_LOG=m
CONFIG_NETFILTER_XTABLES=m
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
CONFIG_NETFILTER_XT_MATCH_COMMENT=m
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
CONFIG_NETFILTER_XT_MATCH_DCCP=m
# CONFIG_NETFILTER_XT_MATCH_ESP is not set
CONFIG_NETFILTER_XT_MATCH_HELPER=m
CONFIG_NETFILTER_XT_MATCH_LENGTH=m
CONFIG_NETFILTER_XT_MATCH_LIMIT=m
CONFIG_NETFILTER_XT_MATCH_MAC=m
CONFIG_NETFILTER_XT_MATCH_MARK=m
# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_SCTP=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
CONFIG_NETFILTER_XT_MATCH_TCPMSS=m

#
# IP: Netfilter Configuration
#
CONFIG_IP_NF_CONNTRACK=m
CONFIG_IP_NF_CT_ACCT=y
# CONFIG_IP_NF_CONNTRACK_MARK is not set
# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
CONFIG_IP_NF_CONNTRACK_NETLINK=m
# CONFIG_IP_NF_CT_PROTO_SCTP is not set
CONFIG_IP_NF_FTP=m
CONFIG_IP_NF_IRC=m
# CONFIG_IP_NF_NETBIOS_NS is not set
CONFIG_IP_NF_TFTP=m
CONFIG_IP_NF_AMANDA=m
CONFIG_IP_NF_PPTP=m
# CONFIG_IP_NF_H323 is not set
# CONFIG_IP_NF_SIP is not set
CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_IPRANGE=m
CONFIG_IP_NF_MATCH_TOS=m
CONFIG_IP_NF_MATCH_RECENT=m
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
# CONFIG_IP_NF_MATCH_AH is not set
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_MATCH_ADDRTYPE=m
CONFIG_IP_NF_MATCH_HASHLIMIT=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_LOG=m
CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=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_SNMP_BASIC=m
CONFIG_IP_NF_NAT_IRC=m
CONFIG_IP_NF_NAT_FTP=m
CONFIG_IP_NF_NAT_TFTP=m
CONFIG_IP_NF_NAT_AMANDA=m
CONFIG_IP_NF_NAT_PPTP=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_TTL=m
CONFIG_IP_NF_RAW=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m

#
# Bridge: Netfilter Configuration
#
# CONFIG_BRIDGE_NF_EBTABLES is not set

#
# DCCP Configuration (EXPERIMENTAL)
#
CONFIG_IP_DCCP=m
CONFIG_INET_DCCP_DIAG=m

#
# DCCP CCIDs Configuration (EXPERIMENTAL)
#
# CONFIG_IP_DCCP_CCID2 is not set
CONFIG_IP_DCCP_CCID3=m
CONFIG_IP_DCCP_TFRC_LIB=m

#
# DCCP Kernel Hacking
#
# CONFIG_IP_DCCP_DEBUG 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=m
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
CONFIG_LLC=m
# 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

#
# 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_IEEE80211=m
# CONFIG_IEEE80211_DEBUG is not set
CONFIG_IEEE80211_CRYPT_WEP=m
CONFIG_IEEE80211_CRYPT_CCMP=m
CONFIG_IEEE80211_CRYPT_TKIP=m
# CONFIG_IEEE80211_SOFTMAC is not set
CONFIG_WIRELESS_EXT=y

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=m
# 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=m
CONFIG_PARPORT_PC=m
CONFIG_PARPORT_SERIAL=m
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
# CONFIG_PARPORT_GSC is not set
# CONFIG_PARPORT_AX88796 is not set
# CONFIG_PARPORT_1284 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 is not set
# CONFIG_BLK_DEV_XD is not set
# CONFIG_PARIDE 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=m
CONFIG_BLK_DEV_CRYPTOLOOP=m
# 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=m
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_CDROM_PKTCDVD=m
CONFIG_CDROM_PKTCDVD_BUFFERS=8
# CONFIG_CDROM_PKTCDVD_WCACHE is not set
# CONFIG_ATA_OVER_ETH 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_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_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_CS5535 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=y
# 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_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_RAID_ATTRS is not set
CONFIG_SCSI=m
# CONFIG_SCSI_PROC_FS is not set

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=m
# 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 is not set
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set

#
# SCSI Transport Attributes
#
# CONFIG_SCSI_SPI_ATTRS is not set
CONFIG_SCSI_FC_ATTRS=m
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS 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_DPT_I2O is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
# CONFIG_SCSI_SATA 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_PPA is not set
# CONFIG_SCSI_IMM 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_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_LPFC 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 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_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=m
# CONFIG_NET_SB1000 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
# 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=y
# 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_TLAN is not set
# CONFIG_VIA_RHINE 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_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 is not set
# CONFIG_BNX2 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

#
# Token Ring devices
#
# CONFIG_TR is not set

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

#
# Obsolete Wireless cards support (pre-802.11)
#
# CONFIG_STRIP is not set
# CONFIG_ARLAN is not set
# CONFIG_WAVELAN is not set

#
# Wireless 802.11b ISA/PCI cards support
#
# CONFIG_IPW2100 is not set
CONFIG_IPW2200=m
# CONFIG_IPW2200_MONITOR is not set
# CONFIG_IPW2200_QOS is not set
# CONFIG_IPW2200_DEBUG is not set
# CONFIG_AIRO is not set
# CONFIG_HERMES is not set
# CONFIG_ATMEL is not set

#
# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support
#
# CONFIG_PRISM54 is not set
# CONFIG_USB_ZD1201 is not set
CONFIG_HOSTAP=m
# CONFIG_HOSTAP_FIRMWARE is not set
CONFIG_HOSTAP_PLX=m
CONFIG_HOSTAP_PCI=m
CONFIG_NET_WIRELESS=y

#
# Wan interfaces
#
# CONFIG_WAN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PLIP is not set
CONFIG_PPP=m
# CONFIG_PPP_MULTILINK is not set
CONFIG_PPP_FILTER=y
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
# CONFIG_PPP_MPPE is not set
# CONFIG_PPPOE 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

#
# 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_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_SERIAL=m
# 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_TOUCHSCREEN is not set
CONFIG_INPUT_MISC=y
CONFIG_INPUT_PCSPKR=m
# CONFIG_INPUT_WISTRON_BTNS is not set
# CONFIG_INPUT_UINPUT 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_PARKBD 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_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_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_LEGACY_PTYS is not set
CONFIG_PRINTER=m
# CONFIG_LP_CONSOLE is not set
# CONFIG_PPDEV is not set
# CONFIG_TIPAR is not set

#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set

#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_NVRAM is not set
CONFIG_RTC=m
# CONFIG_GEN_RTC is not set
# 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_AGP=m
# CONFIG_AGP_ALI is not set
# CONFIG_AGP_ATI is not set
# CONFIG_AGP_AMD is not set
# CONFIG_AGP_AMD64 is not set
CONFIG_AGP_INTEL=m
# CONFIG_AGP_NVIDIA is not set
# CONFIG_AGP_SIS is not set
# CONFIG_AGP_SWORKS is not set
# CONFIG_AGP_VIA is not set
# CONFIG_AGP_EFFICEON is not set
CONFIG_DRM=m
# CONFIG_DRM_TDFX is not set
# CONFIG_DRM_R128 is not set
CONFIG_DRM_RADEON=m
# CONFIG_DRM_I810 is not set
# CONFIG_DRM_I830 is not set
# CONFIG_DRM_I915 is not set
# CONFIG_DRM_MGA is not set
# CONFIG_DRM_SIS is not set
# CONFIG_DRM_VIA is not set
# CONFIG_DRM_SAVAGE 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

#
# I2C support
#
CONFIG_I2C=m
# CONFIG_I2C_CHARDEV is not set

#
# I2C Algorithms
#
CONFIG_I2C_ALGOBIT=m
CONFIG_I2C_ALGOPCF=m
CONFIG_I2C_ALGOPCA=m

#
# I2C Hardware Bus support
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_SCx200_ACB is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_VOODOO3 is not set
# CONFIG_I2C_PCA_ISA is not set

#
# Miscellaneous I2C Chip support
#
# CONFIG_SENSORS_DS1337 is not set
# CONFIG_SENSORS_DS1374 is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set

#
# SPI support
#
# CONFIG_SPI is not set
# CONFIG_SPI_MASTER is not set

#
# Dallas's 1-wire bus
#

#
# Hardware Monitoring support
#
# CONFIG_HWMON is not set
# CONFIG_HWMON_VID is not set

#
# Misc devices
#
# CONFIG_IBM_ASM is not set

#
# Multimedia devices
#
CONFIG_VIDEO_DEV=m
# CONFIG_VIDEO_V4L1 is not set
# CONFIG_VIDEO_V4L1_COMPAT is not set
CONFIG_VIDEO_V4L2=y

#
# Video Capture Adapters
#

#
# Video Capture Adapters
#
# CONFIG_VIDEO_ADV_DEBUG is not set
# CONFIG_VIDEO_VIVI is not set
# CONFIG_VIDEO_SAA7134 is not set
# CONFIG_VIDEO_CX88 is not set

#
# Encoders and Decoders
#
CONFIG_VIDEO_MSP3400=m
# CONFIG_VIDEO_CS53L32A is not set
# CONFIG_VIDEO_TLV320AIC23B is not set
# CONFIG_VIDEO_WM8775 is not set
# CONFIG_VIDEO_WM8739 is not set
# CONFIG_VIDEO_CX2341X is not set
# CONFIG_VIDEO_CX25840 is not set
# CONFIG_VIDEO_SAA711X is not set
# CONFIG_VIDEO_SAA7127 is not set
# CONFIG_VIDEO_UPD64031A is not set
# CONFIG_VIDEO_UPD64083 is not set

#
# V4L USB devices
#
# CONFIG_VIDEO_PVRUSB2 is not set

#
# Radio Adapters
#

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

#
# Graphics support
#
# CONFIG_FIRMWARE_EDID 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
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set

#
# Sound
#
CONFIG_SOUND=y

#
# Advanced Linux Sound Architecture
#
CONFIG_SND=y
CONFIG_SND_TIMER=y
CONFIG_SND_PCM=y
CONFIG_SND_HWDEP=y
CONFIG_SND_RAWMIDI=y
CONFIG_SND_SEQUENCER=y
# CONFIG_SND_SEQ_DUMMY is not set
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=y
CONFIG_SND_PCM_OSS=y
CONFIG_SND_PCM_OSS_PLUGINS=y
CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_RTCTIMER=m
CONFIG_SND_SEQ_RTCTIMER_DEFAULT=y
# CONFIG_SND_DYNAMIC_MINORS is not set
CONFIG_SND_SUPPORT_OLD_API=y
# CONFIG_SND_VERBOSE_PROCFS is not set
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set

#
# Generic devices
#
CONFIG_SND_MPU401_UART=y
CONFIG_SND_OPL3_LIB=y
CONFIG_SND_AC97_CODEC=y
CONFIG_SND_AC97_BUS=y
# CONFIG_SND_DUMMY is not set
# CONFIG_SND_VIRMIDI is not set
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set

#
# ISA devices
#
# CONFIG_SND_ADLIB is not set
# CONFIG_SND_AD1816A is not set
# CONFIG_SND_AD1848 is not set
# CONFIG_SND_ALS100 is not set
# CONFIG_SND_AZT2320 is not set
# CONFIG_SND_CMI8330 is not set
# CONFIG_SND_CS4231 is not set
# CONFIG_SND_CS4232 is not set
# CONFIG_SND_CS4236 is not set
# CONFIG_SND_DT019X is not set
# CONFIG_SND_ES968 is not set
# CONFIG_SND_ES1688 is not set
# CONFIG_SND_ES18XX is not set
# CONFIG_SND_GUSCLASSIC is not set
# CONFIG_SND_GUSEXTREME is not set
# CONFIG_SND_GUSMAX is not set
# CONFIG_SND_INTERWAVE is not set
# CONFIG_SND_INTERWAVE_STB is not set
# CONFIG_SND_OPL3SA2 is not set
# CONFIG_SND_OPTI92X_AD1848 is not set
# CONFIG_SND_OPTI92X_CS4231 is not set
# CONFIG_SND_OPTI93X is not set
# CONFIG_SND_MIRO is not set
# CONFIG_SND_SB8 is not set
# CONFIG_SND_SB16 is not set
# CONFIG_SND_SBAWE is not set
# CONFIG_SND_SGALAXY is not set
# CONFIG_SND_SSCAPE is not set
# CONFIG_SND_WAVEFRONT is not set

#
# PCI devices
#
# CONFIG_SND_AD1889 is not set
# CONFIG_SND_ALS300 is not set
# CONFIG_SND_ALS4000 is not set
# CONFIG_SND_ALI5451 is not set
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
# CONFIG_SND_AZT3328 is not set
CONFIG_SND_BT87X=m
# CONFIG_SND_BT87X_OVERCLOCK is not set
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
# CONFIG_SND_CS4281 is not set
# CONFIG_SND_CS46XX is not set
# CONFIG_SND_CS5535AUDIO is not set
# CONFIG_SND_DARLA20 is not set
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
# CONFIG_SND_DARLA24 is not set
# CONFIG_SND_GINA24 is not set
# CONFIG_SND_LAYLA24 is not set
# CONFIG_SND_MONA is not set
# CONFIG_SND_MIA is not set
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
# CONFIG_SND_INDIGOIO is not set
# CONFIG_SND_INDIGODJ is not set
# CONFIG_SND_EMU10K1 is not set
# CONFIG_SND_EMU10K1X is not set
# CONFIG_SND_ENS1370 is not set
# CONFIG_SND_ENS1371 is not set
# CONFIG_SND_ES1938 is not set
# CONFIG_SND_ES1968 is not set
# CONFIG_SND_FM801 is not set
# CONFIG_SND_HDA_INTEL is not set
# CONFIG_SND_HDSP is not set
# CONFIG_SND_HDSPM is not set
# CONFIG_SND_ICE1712 is not set
# CONFIG_SND_ICE1724 is not set
# CONFIG_SND_INTEL8X0 is not set
# CONFIG_SND_INTEL8X0M is not set
# CONFIG_SND_KORG1212 is not set
# CONFIG_SND_MAESTRO3 is not set
# CONFIG_SND_MIXART is not set
# CONFIG_SND_NM256 is not set
# CONFIG_SND_PCXHR is not set
# CONFIG_SND_RIPTIDE is not set
# CONFIG_SND_RME32 is not set
# CONFIG_SND_RME96 is not set
# CONFIG_SND_RME9652 is not set
# CONFIG_SND_SONICVIBES is not set
# CONFIG_SND_TRIDENT is not set
# CONFIG_SND_VIA82XX is not set
# CONFIG_SND_VIA82XX_MODEM is not set
# CONFIG_SND_VX222 is not set
CONFIG_SND_YMFPCI=y

#
# USB devices
#
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_USX2Y is not set

#
# Open Sound System
#
# CONFIG_SOUND_PRIME 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=y

#
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
# CONFIG_USB_BANDWIDTH is not set
# 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=m
# 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_ISP116X_HCD is not set
# CONFIG_USB_OHCI_HCD is not set
CONFIG_USB_UHCI_HCD=m
# CONFIG_USB_SL811_HCD is not set

#
# USB Device Class drivers
#
CONFIG_USB_ACM=m
CONFIG_USB_PRINTER=m

#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
#

#
# may also be needed; see USB_STORAGE Help for more information
#
CONFIG_USB_STORAGE=m
# 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_LIBUSUAL is not set

#
# USB Input Devices
#
CONFIG_USB_HID=m
# CONFIG_USB_HIDINPUT is not set
# CONFIG_USB_HIDDEV is not set

#
# USB HID Boot Protocol drivers
#
# CONFIG_USB_KBD is not set
# CONFIG_USB_MOUSE is not set
# CONFIG_USB_AIPTEK is not set
# CONFIG_USB_WACOM is not set
# CONFIG_USB_ACECAD is not set
# CONFIG_USB_KBTAB is not set
# CONFIG_USB_POWERMATE is not set
# CONFIG_USB_TOUCHSCREEN is not set
# CONFIG_USB_YEALINK is not set
# CONFIG_USB_XPAD is not set
# CONFIG_USB_ATI_REMOTE is not set
# CONFIG_USB_ATI_REMOTE2 is not set
# CONFIG_USB_KEYSPAN_REMOTE is not set
# CONFIG_USB_APPLETOUCH is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK 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 is not set
CONFIG_USB_MON=y

#
# USB port drivers
#
# CONFIG_USB_USS720 is not set

#
# 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_AUERSWALD is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_PHIDGETKIT is not set
# CONFIG_USB_PHIDGETSERVO is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TEST is not set

#
# USB DSL modem 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
#

#
# File systems
#
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
# 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=y
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_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=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=m
CONFIG_NTFS_DEBUG=y
CONFIG_NTFS_RW=y

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# 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=m
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=m
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V3_ACL is not set
# CONFIG_NFSD_V4 is not set
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=m
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=m
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
CONFIG_SMB_FS=m
# CONFIG_SMB_NLS_DEFAULT is not set
CONFIG_CIFS=m
# CONFIG_CIFS_STATS is not set
# CONFIG_CIFS_WEAK_PW_HASH is not set
# CONFIG_CIFS_XATTR is not set
# CONFIG_CIFS_DEBUG2 is not set
# CONFIG_CIFS_EXPERIMENTAL 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="iso8859-15"
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
CONFIG_NLS_CODEPAGE_775=m
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_855=m
CONFIG_NLS_CODEPAGE_857=m
CONFIG_NLS_CODEPAGE_860=m
CONFIG_NLS_CODEPAGE_861=m
CONFIG_NLS_CODEPAGE_862=m
CONFIG_NLS_CODEPAGE_863=m
CONFIG_NLS_CODEPAGE_864=m
CONFIG_NLS_CODEPAGE_865=m
CONFIG_NLS_CODEPAGE_866=m
CONFIG_NLS_CODEPAGE_869=m
CONFIG_NLS_CODEPAGE_936=m
CONFIG_NLS_CODEPAGE_950=m
CONFIG_NLS_CODEPAGE_932=m
CONFIG_NLS_CODEPAGE_949=m
CONFIG_NLS_CODEPAGE_874=m
CONFIG_NLS_ISO8859_8=m
CONFIG_NLS_CODEPAGE_1250=m
CONFIG_NLS_CODEPAGE_1251=m
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_2=m
CONFIG_NLS_ISO8859_3=m
CONFIG_NLS_ISO8859_4=m
CONFIG_NLS_ISO8859_5=m
CONFIG_NLS_ISO8859_6=m
CONFIG_NLS_ISO8859_7=m
CONFIG_NLS_ISO8859_9=m
CONFIG_NLS_ISO8859_13=m
CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
CONFIG_NLS_UTF8=m

#
# Instrumentation Support
#
# CONFIG_PROFILING is not set
# CONFIG_KPROBES is not set

#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=15
CONFIG_DETECT_SOFTLOCKUP=y
CONFIG_SCHEDSTATS=y
CONFIG_DEBUG_SLAB=y
# CONFIG_DEBUG_SLAB_LEAK is not set
CONFIG_DEBUG_PREEMPT=y
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_RWSEMS=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y
CONFIG_LOCKDEP=y
# CONFIG_DEBUG_LOCKDEP is not set
CONFIG_TRACE_IRQFLAGS=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_DEBUG_LOCKING_API_SELFTESTS=y
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_VM is not set
CONFIG_FRAME_POINTER=y
CONFIG_UNWIND_INFO=y
CONFIG_STACK_UNWIND=y
CONFIG_FORCED_INLINING=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACK_USAGE=y
# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_DEBUG_RODATA is not set
CONFIG_4KSTACKS=y
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y
CONFIG_DOUBLEFAULT=y

#
# Security options
#
# CONFIG_KEYS is not set
CONFIG_SECURITY=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_CAPABILITIES=y
# CONFIG_SECURITY_ROOTPLUG is not set
CONFIG_SECURITY_SECLVL=m

#
# Cryptographic options
#
CONFIG_CRYPTO=y
# CONFIG_CRYPTO_HMAC is not set
CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_SHA1=m
CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_AES_586=m
CONFIG_CRYPTO_CAST5=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_ARC4=y
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_DEFLATE=m
CONFIG_CRYPTO_MICHAEL_MIC=m
CONFIG_CRYPTO_CRC32C=m
CONFIG_CRYPTO_TEST=m

#
# Hardware crypto devices
#
# CONFIG_CRYPTO_DEV_PADLOCK is not set

#
# Library routines
#
CONFIG_CRC_CCITT=m
CONFIG_CRC16=m
CONFIG_CRC32=y
CONFIG_LIBCRC32C=m
CONFIG_ZLIB_INFLATE=m
CONFIG_ZLIB_DEFLATE=m
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=m
CONFIG_TEXTSEARCH_BM=m
CONFIG_TEXTSEARCH_FSM=m
CONFIG_PLIST=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_X86_SMP=y
CONFIG_X86_HT=y
CONFIG_X86_BIOS_REBOOT=y
CONFIG_X86_TRAMPOLINE=y
CONFIG_KTIME_SCALAR=y
</snip>

		
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Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Jan Beulich]

>>> Borislav Petkov <bbpetkov@yahoo.de> 29.08.06 10:53 >>>
>Hi,
>    I just read that unwinder thread and I think I have yet another case of
>    unwinder backtrace that comes up together with the recursive deadlock
>    protection backtrace and this happens with 18-rc5 so I thought I should
>    report it before .18 is released:
>...
>Aug 29 10:21:22 zmei kernel: [  383.485261]  [<c0105393>] do_IRQ+0xc3/0xd0
>Aug 29 10:21:22 zmei kernel: [  383.489393]  [<c0103521>] common_interrupt+0x25/0x2c
>Aug 29 10:21:22 zmei kernel: [  383.494387] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
>Aug 29 10:21:22 zmei kernel: [  383.500304] Leftover inexact backtrace:
></snip>

Unfortunately this leaves unclear whether there was anything reported in
the leftover portion.
And in all cases, a sufficiently long raw stack trace is needed to analyse this.
Ideally a matching System.map would also be attached.

Jan

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Borislav Petkov]

On Tue, Aug 29, 2006 at 11:57:37AM +0200, Jan Beulich wrote:
> >>> Borislav Petkov <bbpetkov@yahoo.de> 29.08.06 10:53 >>>
> >Hi,
> >    I just read that unwinder thread and I think I have yet another case of
> >    unwinder backtrace that comes up together with the recursive deadlock
> >    protection backtrace and this happens with 18-rc5 so I thought I should
> >    report it before .18 is released:
> >...
> >Aug 29 10:21:22 zmei kernel: [  383.485261]  [<c0105393>] do_IRQ+0xc3/0xd0
> >Aug 29 10:21:22 zmei kernel: [  383.489393]  [<c0103521>] common_interrupt+0x25/0x2c
> >Aug 29 10:21:22 zmei kernel: [  383.494387] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
> >Aug 29 10:21:22 zmei kernel: [  383.500304] Leftover inexact backtrace:
> ></snip>
> 
> Unfortunately this leaves unclear whether there was anything reported in
> the leftover portion.
> And in all cases, a sufficiently long raw stack trace is needed to analyse this.
> Ideally a matching System.map would also be attached.
> 
> Jan

Actually, that's all there was in dmesg. System.map is at
http://tim.dnsalias.org/System.map-2.6.18-rc5.

Regards,
    Boris.

		
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Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Jan Beulich]

>>> Borislav Petkov <bbpetkov@yahoo.de> 29.08.06 13:01 >>>
>On Tue, Aug 29, 2006 at 11:57:37AM +0200, Jan Beulich wrote:
>> >>> Borislav Petkov <bbpetkov@yahoo.de> 29.08.06 10:53 >>>
>> >Hi,
>> >    I just read that unwinder thread and I think I have yet another case of
>> >    unwinder backtrace that comes up together with the recursive deadlock
>> >    protection backtrace and this happens with 18-rc5 so I thought I should
>> >    report it before .18 is released:
>> >...
>> >Aug 29 10:21:22 zmei kernel: [  383.485261]  [<c0105393>] do_IRQ+0xc3/0xd0
>> >Aug 29 10:21:22 zmei kernel: [  383.489393]  [<c0103521>] common_interrupt+0x25/0x2c
>> >Aug 29 10:21:22 zmei kernel: [  383.494387] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
>> >Aug 29 10:21:22 zmei kernel: [  383.500304] Leftover inexact backtrace:
>> ></snip>
>> 
>> Unfortunately this leaves unclear whether there was anything reported in
>> the leftover portion.
>> And in all cases, a sufficiently long raw stack trace is needed to analyse this.
>> Ideally a matching System.map would also be attached.
>> 
>> Jan
>
>Actually, that's all there was in dmesg. System.map is at
>http://tim.dnsalias.org/System.map-2.6.18-rc5.

Without a hex dump of stack contents there's very little I can do.

Jan

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

> 
> Without a hex dump of stack contents there's very little I can do.

Borislav, if you can reproduce the crash please boot with kstack=2048 and send output
of that.

-Andi

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Borislav Petkov]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=us-ascii, Size: 4350 bytes --]

On Tue, Aug 29, 2006 at 01:16:22PM +0200, Andi Kleen wrote:
> 
> > 
> > Without a hex dump of stack contents there's very little I can do.
> 
> Borislav, if you can reproduce the crash please boot with kstack=2048 and send output
> of that.
Yeah, 
    that's a no-go, same output:

<snip>

Aug 29 14:34:08 zmei kernel: [   34.329932] Kernel command line: root=/dev/hda1 vga=0 console=ttyS0,115200 console=tty0 kstack=2048

...

Aug 29 14:45:09 zmei kernel: [  689.179264] 
Aug 29 14:45:10 zmei kernel: [  689.179267] =============================================
Aug 29 14:45:10 zmei kernel: [  689.186226] [ INFO: possible recursive locking detected ]
Aug 29 14:45:10 zmei kernel: [  689.191654] ---------------------------------------------
Aug 29 14:45:10 zmei kernel: [  689.197076] swapper/0 is trying to acquire lock:
Aug 29 14:45:10 zmei kernel: [  689.201720]  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 14:45:10 zmei kernel: [  689.208222] 
Aug 29 14:45:10 zmei kernel: [  689.208223] but task is already holding lock:
Aug 29 14:45:10 zmei kernel: [  689.214136]  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 14:45:10 zmei kernel: [  689.220629] 
Aug 29 14:45:10 zmei kernel: [  689.220631] other info that might help us debug this:
Aug 29 14:45:10 zmei kernel: [  689.227235] 4 locks held by swapper/0:
Aug 29 14:45:10 zmei kernel: [  689.231013]  #0:  (&tp->rx_lock){-+..}, at: [<c0208de1>] rtl8139_poll+0x42/0x405
Aug 29 14:45:10 zmei kernel: [  689.238691]  #1:  (slock-AF_INET/1){-+..}, at: [<c02a1d91>] tcp_v4_rcv+0x40c/0x8b3
Aug 29 14:45:10 zmei kernel: [  689.246594]  #2:  (af_callback_keys + sk->sk_family#3){-.-?}, at: [<c0271969>] sock_def_readable+0x15/0x69
Aug 29 14:45:10 zmei kernel: [  689.256572]  #3:  (&q->lock){++..}, at: [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 14:45:10 zmei kernel: [  689.263549] 
Aug 29 14:45:10 zmei kernel: [  689.263550] stack backtrace:
Aug 29 14:45:10 zmei kernel: [  689.268086]  [<c0103ba6>] show_trace_log_lvl+0x58/0x152
Aug 29 14:45:10 zmei kernel: [  689.273401]  [<c0104234>] show_trace+0xd/0x10
Aug 29 14:45:10 zmei kernel: [  689.277854]  [<c01042fc>] dump_stack+0x19/0x1b
Aug 29 14:45:10 zmei kernel: [  689.282393]  [<c012eb73>] __lock_acquire+0x74b/0x967
Aug 29 14:45:10 zmei kernel: [  689.287516]  [<c012f2d2>] lock_acquire+0x4b/0x6d
Aug 29 14:45:10 zmei kernel: [  689.292289]  [<c02b8981>] _spin_lock_irqsave+0x2c/0x3c
Aug 29 14:45:10 zmei kernel: [  689.297587]  [<c01126d5>] __wake_up+0x15/0x3b
Aug 29 14:45:10 zmei kernel: [  689.302068]  [<c01752f0>] ep_poll_safewake+0x91/0xc3
Aug 29 14:45:10 zmei kernel: [  689.307278]  [<c0175c7f>] ep_poll_callback+0x83/0x8d
Aug 29 14:45:10 zmei kernel: [  689.312482]  [<c0111a6d>] __wake_up_common+0x2f/0x53
Aug 29 14:45:10 zmei kernel: [  689.317568]  [<c01126e8>] __wake_up+0x28/0x3b
Aug 29 14:45:10 zmei kernel: [  689.322048]  [<c027198e>] sock_def_readable+0x3a/0x69
Aug 29 14:45:10 zmei kernel: [  689.327646]  [<c029a9ff>] tcp_rcv_established+0x3ca/0x64f
Aug 29 14:45:10 zmei kernel: [  689.333601]  [<c029fd6a>] tcp_v4_do_rcv+0x26/0x2df
Aug 29 14:45:10 zmei kernel: [  689.338932]  [<c02a21d1>] tcp_v4_rcv+0x84c/0x8b3
Aug 29 14:45:10 zmei kernel: [  689.344121]  [<c028a470>] ip_local_deliver+0x134/0x1cc
Aug 29 14:45:10 zmei kernel: [  689.349813]  [<c028a300>] ip_rcv+0x425/0x461
Aug 29 14:45:10 zmei kernel: [  689.354638]  [<c027719b>] netif_receive_skb+0x19a/0x22d
Aug 29 14:45:10 zmei kernel: [  689.360394]  [<c0209036>] rtl8139_poll+0x297/0x405
Aug 29 14:45:10 zmei kernel: [  689.365594]  [<c0278b13>] net_rx_action+0x76/0x109
Aug 29 14:45:10 zmei kernel: [  689.370900]  [<c011d5f2>] __do_softirq+0x70/0xf0
Aug 29 14:45:10 zmei kernel: [  689.375648]  [<c010526b>] do_softirq+0x61/0xc6
Aug 29 14:45:10 zmei kernel: [  689.380185]  [<c011d575>] irq_exit+0x49/0x56
Aug 29 14:45:10 zmei kernel: [  689.384591]  [<c0105393>] do_IRQ+0xc3/0xd0
Aug 29 14:45:10 zmei kernel: [  689.388778]  [<c0103521>] common_interrupt+0x25/0x2c
Aug 29 14:45:10 zmei kernel: [  689.393832] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
Aug 29 14:45:10 zmei kernel: [  689.399774] Leftover inexact backtrace:
<EOF>

Regards,
    Boris.

	

	
		
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Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

On Tuesday 29 August 2006 15:00, Borislav Petkov wrote:
> On Tue, Aug 29, 2006 at 01:16:22PM +0200, Andi Kleen wrote:
> > 
> > > 
> > > Without a hex dump of stack contents there's very little I can do.
> > 
> > Borislav, if you can reproduce the crash please boot with kstack=2048 and send output
> > of that.
> Yeah, 
>     that's a no-go, same output:

Can you please try it with this debug patch?

-Andi

Index: linux/arch/x86_64/kernel/traps.c
===================================================================
--- linux.orig/arch/x86_64/kernel/traps.c
+++ linux/arch/x86_64/kernel/traps.c
@@ -106,7 +106,7 @@ static inline void preempt_conditional_c
 	preempt_enable_no_resched();
 }
 
-static int kstack_depth_to_print = 12;
+static int kstack_depth_to_print = 2048;
 #ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
 #else
@@ -418,7 +418,7 @@ void show_stack(struct task_struct *tsk,
 void dump_stack(void)
 {
 	unsigned long dummy;
-	show_trace(NULL, NULL, &dummy);
+	_show_stack(NULL, NULL, &dummy);
 }
 
 EXPORT_SYMBOL(dump_stack);

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Borislav Petkov]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=us-ascii, Size: 1672 bytes --]

On Tue, Aug 29, 2006 at 04:36:56PM +0200, Andi Kleen wrote:
> On Tuesday 29 August 2006 15:00, Borislav Petkov wrote:
> > On Tue, Aug 29, 2006 at 01:16:22PM +0200, Andi Kleen wrote:
> > > 
> > > > 
> > > > Without a hex dump of stack contents there's very little I can do.
> > > 
> > > Borislav, if you can reproduce the crash please boot with kstack=2048 and send output
> > > of that.
> > Yeah, 
> >     that's a no-go, same output:
> 
> Can you please try it with this debug patch?
> 
> -Andi
> 
> Index: linux/arch/x86_64/kernel/traps.c
Sorry,
    but this patches x86_64 arch and mine is i386. I could change the
    kstack_depth_to_print from 24 to 2048 in
    linux/arch/i386/kernel/traps.c by hand instead but I don't have
    a _show_stack function there, do I? Or maybe that is not at all necessary to see a
    "proper" stack dump?

> ===================================================================
> --- linux.orig/arch/x86_64/kernel/traps.c
> +++ linux/arch/x86_64/kernel/traps.c
> @@ -106,7 +106,7 @@ static inline void preempt_conditional_c
>  	preempt_enable_no_resched();
>  }
>  
> -static int kstack_depth_to_print = 12;
> +static int kstack_depth_to_print = 2048;
>  #ifdef CONFIG_STACK_UNWIND
>  static int call_trace = 1;
>  #else
> @@ -418,7 +418,7 @@ void show_stack(struct task_struct *tsk,
>  void dump_stack(void)
>  {
>  	unsigned long dummy;
> -	show_trace(NULL, NULL, &dummy);
> +	_show_stack(NULL, NULL, &dummy);
>  }
>  
>  EXPORT_SYMBOL(dump_stack);

Regards,
    Boris.

	

	
		
___________________________________________________________ 
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Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Badari Pulavarty]

I ran into another (small) issue with the trace - it looks like 
for some reason trace repeats twice. Do you know, why ?

Thanks,
Badari

Call Trace:
 [<ffffffff8020b395>] show_trace+0xb5/0x370
 [<ffffffff8020b665>] dump_stack+0x15/0x20
 [<ffffffff8030d3b9>] journal_invalidatepage+0x309/0x3b0
 [<ffffffff802fe898>] ext3_invalidatepage+0x38/0x40
 [<ffffffff80282750>] do_invalidatepage+0x20/0x30
 [<ffffffff80260820>] truncate_inode_pages_range+0x1e0/0x300
 [<ffffffff80260950>] truncate_inode_pages+0x10/0x20
 [<ffffffff802686ff>] vmtruncate+0x5f/0x100
 [<ffffffff8029d7d0>] inode_setattr+0x30/0x140
 [<ffffffff802ff81b>] ext3_setattr+0x1bb/0x230
 [<ffffffff8029da3e>] notify_change+0x15e/0x320
 [<ffffffff8027f973>] do_truncate+0x53/0x80
 [<ffffffff802800f8>] sys_ftruncate+0xf8/0x130
 [<ffffffff80209d5a>] system_call+0x7e/0x83
 [<00002b40b67e1c47>]
 [<ffffffff8030d3b9>] journal_invalidatepage+0x309/0x3b0
 [<ffffffff802fe898>] ext3_invalidatepage+0x38/0x40
 [<ffffffff80282750>] do_invalidatepage+0x20/0x30
 [<ffffffff80260820>] truncate_inode_pages_range+0x1e0/0x300
 [<ffffffff802fc203>] __ext3_get_inode_loc+0x163/0x350
 [<ffffffff80260950>] truncate_inode_pages+0x10/0x20
 [<ffffffff802686ff>] vmtruncate+0x5f/0x100
 [<ffffffff8029d7d0>] inode_setattr+0x30/0x140
 [<ffffffff802ff81b>] ext3_setattr+0x1bb/0x230
 [<ffffffff8029da3e>] notify_change+0x15e/0x320
 [<ffffffff8027f973>] do_truncate+0x53/0x80
 [<ffffffff80281af1>] generic_file_llseek+0x91/0xb0
 [<ffffffff802800f8>] sys_ftruncate+0xf8/0x130
 [<ffffffff80209d5a>] system_call+0x7e/0x83

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Jan Beulich]

Andi submitted a fix for this to Linus, but that's post-rc5. Jan

>>> Badari Pulavarty <pbadari@gmail.com> 30.08.06 23:46 >>>
I ran into another (small) issue with the trace - it looks like 
for some reason trace repeats twice. Do you know, why ?

Thanks,
Badari

Call Trace:
 [<ffffffff8020b395>] show_trace+0xb5/0x370
 [<ffffffff8020b665>] dump_stack+0x15/0x20
 [<ffffffff8030d3b9>] journal_invalidatepage+0x309/0x3b0
 [<ffffffff802fe898>] ext3_invalidatepage+0x38/0x40
 [<ffffffff80282750>] do_invalidatepage+0x20/0x30
 [<ffffffff80260820>] truncate_inode_pages_range+0x1e0/0x300
 [<ffffffff80260950>] truncate_inode_pages+0x10/0x20
 [<ffffffff802686ff>] vmtruncate+0x5f/0x100
 [<ffffffff8029d7d0>] inode_setattr+0x30/0x140
 [<ffffffff802ff81b>] ext3_setattr+0x1bb/0x230
 [<ffffffff8029da3e>] notify_change+0x15e/0x320
 [<ffffffff8027f973>] do_truncate+0x53/0x80
 [<ffffffff802800f8>] sys_ftruncate+0xf8/0x130
 [<ffffffff80209d5a>] system_call+0x7e/0x83
 [<00002b40b67e1c47>]
 [<ffffffff8030d3b9>] journal_invalidatepage+0x309/0x3b0
 [<ffffffff802fe898>] ext3_invalidatepage+0x38/0x40
 [<ffffffff80282750>] do_invalidatepage+0x20/0x30
 [<ffffffff80260820>] truncate_inode_pages_range+0x1e0/0x300
 [<ffffffff802fc203>] __ext3_get_inode_loc+0x163/0x350
 [<ffffffff80260950>] truncate_inode_pages+0x10/0x20
 [<ffffffff802686ff>] vmtruncate+0x5f/0x100
 [<ffffffff8029d7d0>] inode_setattr+0x30/0x140
 [<ffffffff802ff81b>] ext3_setattr+0x1bb/0x230
 [<ffffffff8029da3e>] notify_change+0x15e/0x320
 [<ffffffff8027f973>] do_truncate+0x53/0x80
 [<ffffffff80281af1>] generic_file_llseek+0x91/0xb0
 [<ffffffff802800f8>] sys_ftruncate+0xf8/0x130
 [<ffffffff80209d5a>] system_call+0x7e/0x83

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

On Thursday 31 August 2006 09:35, Jan Beulich wrote:
> Andi submitted a fix for this to Linus, but that's post-rc5. Jan

I assume you mean the fallback validation fix. Linus unfortunately
didn't merge any of my new patches yet :/

But did you ever work out why the stack backtrace completely restarted? 
I never got this. In theory the RSP gotten out of the unwind
context and used for the fallback should have been already near the end
and the old unwinder shouldn't have found much.

-Andi

P.S.: Badari, we worked out your kernel_math_context trace too:
that one is actually a gcc bug related to dubious unwind tables generated
for noreturn calls (in your case do_exit). We were still discussing the best 
workaround for that one.

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Jan Beulich]

>>> Andi Kleen <ak@suse.de> 31.08.06 09:41 >>>
>On Thursday 31 August 2006 09:35, Jan Beulich wrote:
>> Andi submitted a fix for this to Linus, but that's post-rc5. Jan
>
>I assume you mean the fallback validation fix. Linus unfortunately
>didn't merge any of my new patches yet :/

Actually, the same patch, but other pieces of it ...

>But did you ever work out why the stack backtrace completely restarted? 
>I never got this. In theory the RSP gotten out of the unwind
>context and used for the fallback should have been already near the end
>and the old unwinder shouldn't have found much.

In the old (up to -rc5) code, we had

		if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
			< all the fallback handling>
		}

with no else, thus just falling through (without even changing the
stack pointer, which was wrong when unw_ret > 0 but we reached
a user mode address (i.e. as in the example here, after unwinding
out of a syscall frame).

Jan

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Badari Pulavarty]

On Thu, 2006-08-31 at 09:41 +0200, Andi Kleen wrote:

> -Andi
> 
> P.S.: Badari, we worked out your kernel_math_context trace too:
> that one is actually a gcc bug related to dubious unwind tables generated
> for noreturn calls (in your case do_exit). We were still discussing the best 
> workaround for that one.
> 

I will verify them when I get a chance to move to latest kernel.
Unfortunately, so called testcases are the *real* problems I am
trying to track down in 2.6.18-rc4 and I have a setup/config/testcase
which can reproduce them consistently. I don't want to change
any kernel/config till I debug these issues. Once I figure out whats
happening - I will move to latest and verify one more time.

BTW, I have one more issue - may not be related to unwinder. As
you can see when I get a assert on CPU1, I get its stack correctly.
But CPU 2 is getting stuck while printing OOPS. 

Do you know, why ?

Thanks,
Badari

----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at fs/buffer.c:2791
invalid opcode: 0000 [1] SMP
CPU 1
Modules linked in: sg sd_mod qla2xxx firmware_class scsi_transport_fc
scsi_mod ipv6 thermal processor fan button battery ac dm_mod floppy
parport_pc lp parport
Pid: 4216, comm: kjournald Not tainted 2.6.18-rc4 #3
RIP: 0010:[<ffffffff80282d39>]  [<ffffffff80282d39>] submit_bh
+0x29/0x130
RSP: 0018:ffff8101bde8dd08  EFLAGS: 00010246
RAX: 0000000000000005 RBX: ffff8101bd0ad250 RCX: ffff8101df880e88
RDX: ffff8101733887c0 RSI: ffff8101bd0ad250 RDI: 0000000000000001
RBP: ffff8101bde8dd28 R08: ffff8101a033be38 R09: ffff81017605d7c0
R10: 00000000000a8f52 R11: 00000000000a8f54 R12: ffff8101a0113260 R13:
0000000000000001 R14: 0000000000000003 R15: 0000000000000080 FS:
00002b5b2e4476d0(0000) GS:ffff8101800a5140(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00002b5b2e1bd000 CR3: 0000000000201000 CR4: 00000000000006e0
Process kjournald (pid: 4216, threadinfo ffff8101bde8c000, task
ffff810180259790)
Stack:  ffff810174897f70 ffff8101bd0ad250 ffff8101a0113260
000000000000004c
 ffff8101bde8dd68 ffffffff80284179 00000000bde8dd68 ffff81017441d250
 ffff8101769ee910 ffff8101dd2518c0 0000000000000080 ffff8101a0059200
Call Trace:
 [<ffffffff80284179>] ll_rw_block+0x79/0xd0
 [<ffffffff8030e868>] journal_commit_transaction+0x478/0x1170
 [<ffffffff80312c8e>] kjournald+0xde/0x290
 [<ffffffff8024562c>] kthread+0xdc/0x110
 [<ffffffff8020abe2>] child_rip+0x8/0x12 DWARF2 unwinder stuck at
child_rip+0x8/0x12
Leftover inexact backtrace:
 [<ffffffff80245550>] kthread+0x0/0x110
 [<ffffffff8020abda>] child_rip+0x0/0x12


Code: 0f 0b 68 d3 e0 50 80 c2 e7 0a 48 83 7b 38 00 75 0a 0f 0b 68
RIP  [<ffffffff80282d39>] submit_bh+0x29/0x130
 RSP <ffff8101bde8dd08>
 <1>Unable to handle kernel paging request at 0000000146f4eac0 RIP:
 [<ffffffff802277b8>] task_rq_lock+0x38/0x90
PGD 1ddc2e067 PUD 0
Oops: 0000 [2] SMP

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

On Thursday 31 August 2006 17:02, Badari Pulavarty wrote:

> I will verify them when I get a chance to move to latest kernel.

Sorry I just meant the problem has been analyzed, but not fixed
yet (it is a bit tricky). Most of the fixes won't make 2.6.18
anyways because it's too late for that.

> Unfortunately, so called testcases are the *real* problems I am
> trying to track down in 2.6.18-rc4 and I have a setup/config/testcase
> which can reproduce them consistently. I don't want to change
> any kernel/config till I debug these issues. Once I figure out whats
> happening - I will move to latest and verify one more time.

Not needed right now.

> 
> Code: 0f 0b 68 d3 e0 50 80 c2 e7 0a 48 83 7b 38 00 75 0a 0f 0b 68
> RIP  [<ffffffff80282d39>] submit_bh+0x29/0x130
>  RSP <ffff8101bde8dd08>
>  <1>Unable to handle kernel paging request at 0000000146f4eac0 RIP:
>  [<ffffffff802277b8>] task_rq_lock+0x38/0x90
> PGD 1ddc2e067 PUD 0
> Oops: 0000 [2] SMP

Don't know why sorry, but it seems to be indeed before the unwinder. 
Maybe some state got messed up completely.

-Andi


> 
> 

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Badari Pulavarty]

On Thu, 2006-08-31 at 17:16 +0200, Andi Kleen wrote:

> 
> Don't know why sorry, but it seems to be indeed before the unwinder. 
> Maybe some state got messed up completely.

One more case.. May be this will help ?

- Badari

----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at fs/jbd/commit.c:177
invalid opcode: 0000 [1] SMP
CPU 1
Modules linked in: sg sd_mod qla2xxx firmware_class scsi_transport_fc
scsi_mod ipv6 thermal processor fan button battery ac dm_mod floppy
parport_pc lp parport
Pid: 4120, comm: kjournald Not tainted 2.6.18-rc4 #17
RIP: 0010:[<ffffffff8030e624>]  [<ffffffff8030e624>] my_ll_rw_block
+0xc4/0x120
RSP: 0000:ffff8101bf6dbd38  EFLAGS: 00010246
RAX: 0000000000020005 RBX: ffff8101d998b5b0 RCX: ffffffff805d73a8
RDX: ffffffff805d73a8 RSI: 0000000000000082 RDI: ffffffff805d73a0
RBP: ffff8101bf6dbd68 R08: ffffffff80754220 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000015000 R12: ffff8101c02b85b8
R13: 0000000000000037 R14: 0000000000000080 R15: 0000000000000080
FS:  00002b76fec046d0(0000) GS:ffff8101800a5140(0000)
knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00002b76fe970751 CR3: 00000001dcdd9000 CR4: 00000000000006e0
Process kjournald (pid: 4120, threadinfo ffff8101bf6da000, task
ffff81018028b810)
Stack:  ffff8101dfe9a900 ffffffff80285340 ffff810171913910
ffff8101752334f0
 ffff8101de7da180 ffff8101df0f3400 ffff8101bf6dbe58 ffffffff8030eb3e
 ffff8101df0f3424 ffff8101df0f354c ffff8101de7da1f0 ffff8101c02b8400
Call Trace:
 [<ffffffff8030eb3e>] journal_commit_transaction+0x49e/0x11a0
 [<ffffffff80312f6e>] kjournald+0xde/0x290
 [<ffffffff8024562c>] kthread+0xdc/0x110
 [<ffffffff8020abe2>] child_rip+0x8/0x12
DWARF2 unwinder stuck at child_rip+0x8/0x12
Leftover inexact backtrace:
 [<ffffffff80245550>] kthread+0x0/0x110
 [<ffffffff8020abda>] child_rip+0x0/0x12


Code: 0f 0b 68 73 03 51 80 c2 b1 00 66 90 48 c7 43 38 40 53 28 80
RIP  [<ffffffff8030e624>] my_ll_rw_block+0xc4/0x120
 RSP <ffff8101bf6dbd38>
 <1>Unable to handle kernel paging request at 00000000e44bb818 RIP:
 [<ffffffff802277b8>] task_rq_lock+0x38/0x90
PGD 179aa1067 PUD 0
Oops: 0000 [2] SMP
CPU 3
Modules linked in: sg sd_mod qla2xxx firmware_class scsi_transport_fc
scsi_mod ipv6 thermal processor fan button battery ac dm_mod floppy
parport_pc lp parport
Pid: 0, comm: swapper Not tainted 2.6.18-rc4 #17
RIP: 0010:[<ffffffff802277b8>]  [<ffffffff802277b8>] task_rq_lock
+0x38/0x90
RSP: 0018:ffff8101a00f3e10  EFLAGS: 00010082
RAX: 000000002c7b6b7b RBX: ffffffff80754220 RCX: ffff8101df0f3590
RDX: 0000000000000000 RSI: ffff8101a00f3e68 RDI: ffff81018028b810
RBP: ffff8101a00f3e30 R08: 0000000000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff80754220
R13: ffff81018028b810 R14: ffff8101a00f3e68 R15: 000000000000000a
FS:  00002b2cdc228400(0000) GS:ffff8101c00f1ec0(0000)
knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000e44bb818 CR3: 00000001dd1e4000 CR4: 00000000000006e0
Process swapper (pid: 0, threadinfo ffff8101800fa000, task
ffff81017a841100)
Stack:

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

On Thursday 31 August 2006 20:11, Badari Pulavarty wrote:
> One more case ..
> 
> Thanks,
> Badari
> 
> BUG: soft lockup detected on CPU#2!
> 
> Call Trace:
>  [<ffffffff8020b395>] show_trace+0xb5/0x370
>  [<ffffffff8020b665>] dump_stack+0x15/0x20
>  [<ffffffff802555b9>] softlockup_tick+0xe9/0x110
>  [<ffffffff8023a2c3>] run_local_timers+0x13/0x20
>  [<ffffffff8023a5b7>] update_process_times+0x57/0x90
>  [<ffffffff802164fb>] smp_local_timer_interrupt+0x2b/0x60
>  [<ffffffff80216aa9>] smp_apic_timer_interrupt+0x49/0x60
>  [<ffffffff8020a8ce>] apic_timer_interrupt+0x66/0x6c
>  [<ffffffff804cd64e>] .text.lock.spinlock+0x0/0x92
> DWARF2 unwinder stuck at .text.lock.spinlock+0x0/0x92
> Leftover inexact backtrace:

Should be fixed in .19

-Andi

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Badari Pulavarty]

One more case ..

Thanks,
Badari

BUG: soft lockup detected on CPU#2!

Call Trace:
 [<ffffffff8020b395>] show_trace+0xb5/0x370
 [<ffffffff8020b665>] dump_stack+0x15/0x20
 [<ffffffff802555b9>] softlockup_tick+0xe9/0x110
 [<ffffffff8023a2c3>] run_local_timers+0x13/0x20
 [<ffffffff8023a5b7>] update_process_times+0x57/0x90
 [<ffffffff802164fb>] smp_local_timer_interrupt+0x2b/0x60
 [<ffffffff80216aa9>] smp_apic_timer_interrupt+0x49/0x60
 [<ffffffff8020a8ce>] apic_timer_interrupt+0x66/0x6c
 [<ffffffff804cd64e>] .text.lock.spinlock+0x0/0x92
DWARF2 unwinder stuck at .text.lock.spinlock+0x0/0x92
Leftover inexact backtrace:
 [<ffffffff80265be9>] unmap_vmas+0x799/0x7e0
 [<ffffffff8026981b>] exit_mmap+0x7b/0x100
 [<ffffffff8022d807>] mmput+0x37/0xb0
 [<ffffffff80231d04>] exit_mm+0x104/0x120
 [<ffffffff80233676>] do_exit+0x246/0x960
 [<ffffffff804cd4ec>] _spin_unlock_irqrestore+0xc/0x10
 [<ffffffff8020b9b4>] die+0x54/0x60
 [<ffffffff8020bb4e>] do_trap+0xee/0x110
 [<ffffffff8020c397>] do_invalid_op+0xa7/0xc0
 [<ffffffff802850fe>] __set_page_dirty_buffers+0x3e/0xe0
 [<ffffffff8025f7b6>] activate_page+0x26/0xc0
 [<ffffffff8025fec3>] mark_page_accessed+0x23/0x50
 [<ffffffff8025addc>] filemap_nopage+0x19c/0x350
 [<ffffffff8020aa29>] error_exit+0x0/0x84
 [<ffffffff802850fe>] __set_page_dirty_buffers+0x3e/0xe0
 [<ffffffff802850d8>] __set_page_dirty_buffers+0x18/0xe0
 [<ffffffff8025de8b>] set_page_dirty+0x3b/0x60
 [<ffffffff8026d34b>] msync_interval+0x2cb/0x420
 [<ffffffff8026d5ab>] sys_msync+0x10b/0x2b0
 [<ffffffff80209d5a>] system_call+0x7e/0x83

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

On Thursday 31 August 2006 20:33, Badari Pulavarty wrote:
> On Thu, 2006-08-31 at 20:10 +0200, Andi Kleen wrote:
> 
> > Should be fixed in .19
> 
> Andi,
> 
> I am looking at the "validity" of the stack traces. What I 
> find is that "unwinder" is skipping few stack frames..
> 
> As you can see from the following stack - it shows 
> 
> 	msync_interval() -> 
> 		set_page_dirty() -> 
> 			__set_page_dirty_buffers()
> 
> But actual trace is (looking at the code):
> 
> 	msync_interval() -> 
> 	 	msync_page_range() ->
> 		   msync_pud_range() -> 
> 		      msync_pgd_range() ->
> 			 msync_pte_range() ->	
> 				set_page_dirty() -> 
> 					__set_page_dirty_buffers()
> 
> Why is it skipping all msync_page/pud/pgd/pte_range() routines ?

Most likely because they're inlined. gcc tends to always inline static functions
with only a single caller, which is usually true for all the nested page table functions 
in mm/*.  Inlined functions (or tail called functions like return foo()) are invisible 
to the unwinder.

-Andi

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Badari Pulavarty]

On Thu, 2006-08-31 at 20:10 +0200, Andi Kleen wrote:

> Should be fixed in .19

Andi,

I am looking at the "validity" of the stack traces. What I 
find is that "unwinder" is skipping few stack frames..

As you can see from the following stack - it shows 

	msync_interval() -> 
		set_page_dirty() -> 
			__set_page_dirty_buffers()

But actual trace is (looking at the code):

	msync_interval() -> 
	 	msync_page_range() ->
		   msync_pud_range() -> 
		      msync_pgd_range() ->
			 msync_pte_range() ->	
				set_page_dirty() -> 
					__set_page_dirty_buffers()

Why is it skipping all msync_page/pud/pgd/pte_range() routines ?

Thanks,
Badari

----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at include/linux/buffer_head.h:132
invalid opcode: 0000 [1] SMP
CPU 0
Modules linked in: sg sd_mod qla2xxx firmware_class scsi_transport_fc
scsi_mod ipv6 thermal processor fan button battery ac dm_mod floppy
parport_pc lp parport
Pid: 4130, comm: fsx-linux Not tainted 2.6.18-rc4 #19
RIP: 0010:[<ffffffff802850fe>]  [<ffffffff802850fe>]
__set_page_dirty_buffers+0x3e/0xe0
RSP: 0018:ffff810173cebe38  EFLAGS: 00010246
RAX: ffff81017334a5b0 RBX: ffff81017fdb3d98 RCX: 00002b122cb37000
RDX: ffff81017334a490 RSI: ffff8101ded2bb80 RDI: ffff8101de579588
RBP: ffff810173cebe48 R08: ffff810173cebf48 R09: 1b89bb89bd895589
R10: 8b89748986893089 R11: 0000000000000246 R12: ffff8101de579518
R13: 0000000000000011 R14: 00002b122cb3d000 R15: ffff81017fdb3d98
FS:  00002b122cdc76d0(0000) GS:ffffffff806f8000(0000)
knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002b122cb3c000 CR3: 00000001c01c9000 CR4: 00000000000006e0
Process fsx-linux (pid: 4130, threadinfo ffff810173cea000, task
ffff810173ed2040)
Stack:  ffff8101df16b9b8 00002b122cb37000 ffff810173cebe58
ffffffff8025de8b
 ffff810173cebf18 ffffffff8026d34b ffff810173cebf28 ffff810173cebf48
 00002b122cb3d000 ffff810179d2f978 ffff8101c01c92b0 0000000000000000
Call Trace:
 [<ffffffff8025de8b>] set_page_dirty+0x3b/0x60
 [<ffffffff8026d34b>] msync_interval+0x2cb/0x420
 [<ffffffff8026d5ab>] sys_msync+0x10b/0x2b0
 [<ffffffff80209d5a>] system_call+0x7e/0x83
 [<00002b122cc53510>]
 [<ffffffff8025de8b>] set_page_dirty+0x3b/0x60
 [<ffffffff8026d34b>] msync_interval+0x2cb/0x420
 [<ffffffff8026d5ab>] sys_msync+0x10b/0x2b0
 [<ffffffff80209d5a>] system_call+0x7e/0x83

Thanks,
Badari

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Chuck Ebbert]

In-Reply-To: <1157049193.22667.19.camel@dyn9047017100.beaverton.ibm.com>

On Thu, 31 Aug 2006 11:33:13 -0700, Badari Pulavarty wrote:

> As you can see from the following stack - it shows 
> 
>       msync_interval() -> 
>               set_page_dirty() -> 
>                       __set_page_dirty_buffers()
> 
> But actual trace is (looking at the code):
> 
>       msync_interval() -> 
>               msync_page_range() ->
>                  msync_pud_range() -> 
>                     msync_pgd_range() ->
>                        msync_pte_range() ->   
>                               set_page_dirty() -> 
>                                       __set_page_dirty_buffers()
> 
> Why is it skipping all msync_page/pud/pgd/pte_range() routines ?

Sometimes this is caused by tail calls, i.e. when the last line
of a function calls another function it can many times be optimized
into a jump.

You can disable this by compiling with CONFIG_FRAME_POINTER=y.

-- 
Chuck

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

 
> Sometimes this is caused by tail calls, i.e. when the last line
> of a function calls another function it can many times be optimized
> into a jump.
> 
> You can disable this by compiling with CONFIG_FRAME_POINTER=y.

Even that will not disable automatic inlining, which is probably causing most
of the missing frames here.

-Andi

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Keith Owens]

Andi Kleen (on Thu, 31 Aug 2006 09:41:40 +0200) wrote:
>P.S.: Badari, we worked out your kernel_math_context trace too:
>that one is actually a gcc bug related to dubious unwind tables generated
>for noreturn calls (in your case do_exit). We were still discussing the best 
>workaround for that one.

Lots of luck.  I logged a bug several years ago against gcc for ia64
with noreturn calls.  When gcc sees a call to a function marked
noreturn (like do_exit or panic), gcc has been known to discard all
code past that point.  The unwind code has to assume that the return
address is pointing into the previous function.  Where does the return
address point after a noreturn call compiled with the gcc bug?  - at
the start of the next function.  Goodbye unwind.

I asked that gcc always insert at least one instruction after a call to
a noreturn function.  That would keep the return address inside the
right function and the unwind code would work.  Ideally that
instruction would cause an error if it was ever executed (break 0 on
ia64, ud2 on i386/x86_64) but even a no-op would be good enough.  Most
of the ia64 list thought it was a good idea, the gcc team disagreed.
AFAIK the bug is still outstanding.

Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

[Andi Kleen]

> Lots of luck.  I logged a bug several years ago against gcc for ia64
> with noreturn calls.  When gcc sees a call to a function marked
> noreturn (like do_exit or panic), gcc has been known to discard all
> code past that point.  The unwind code has to assume that the return
> address is pointing into the previous function.  Where does the return
> address point after a noreturn call compiled with the gcc bug?  - at
> the start of the next function.  Goodbye unwind.
> 
> I asked that gcc always insert at least one instruction after a call to
> a noreturn function.  That would keep the return address inside the
> right function and the unwind code would work.  Ideally that
> instruction would cause an error if it was ever executed (break 0 on
> ia64, ud2 on i386/x86_64) but even a no-op would be good enough.  Most
> of the ia64 list thought it was a good idea, the gcc team disagreed.
> AFAIK the bug is still outstanding.


In the discussion Jan came up with a heuristic that will probably work.
It involved deciding in the unwinder by heuristic if it should subtract 
one from the program counter (like the gcc unwinder apparently does) or not.

He hasn't sent a patch implementing it yet though :)

-Andi