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    SubjectRe: [patch] "big IRQ lock" removal, 2.5.27-A1

    okay, the crash happens if i boot an SMP kernel, and do the following:

    cat /dev/ttyS0

    [ ... system works at this point, no crash ... ]

    Ctrl-C

    [ ... system crashes ... ]

    note that ttyS0 is not the serial console device - so this is a plain
    unconnected serial port.

    the oops, written down by hand:

    Unable to handle kernel paging request at virtual address ffffff8a
    c01aa193
    CPU: 1
    EIP: 0010:[<c01aa193>] Not tainted
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010292
    eax: 00000002 ebx: ffffff70 ecx: 00000000 edx: 000000ff
    esi: ffffff70 edi: 00000000 ebp: c02d3ad0 esp: c13e1edc
    Call Trace: [<c01ab696>] [<c0114210>] [<c0109d79>] [<c010a07e>]
    [<c0113821>]
    [<c0105470>] [<c0108347>] [<c01054c0>] [<c0105470>] [<c01054eb>]
    [<c010553a>]
    [<c011d3ac>] [<c011d1ca>]
    Aiee, killing interrupt handler!
    Warning (Oops_read): Code line not seen, dumping what data is available

    >>EIP; c01aa193 <serial_in+13/80> <=====
    Trace; c01ab696 <serial8250_interrupt+66/1a0>
    Trace; c0114210 <move+50/90>
    Trace; c0109d79 <handle_IRQ_event+69/a0>
    Trace; c010a07e <do_IRQ+ee/190>
    Trace; c0113821 <smp_apic_timer_interrupt+131/140>
    Trace; c0105470 <default_idle+0/50>
    Trace; c0108347 <common_interrupt+1f/24>
    Trace; c01054c0 <poll_idle+0/40>
    Trace; c0105470 <default_idle+0/50>
    Trace; c01054eb <poll_idle+2b/40>
    Trace; c010553a <cpu_idle+3a/50>
    Trace; c011d3ac <release_console_sem+11c/120>
    Trace; c011d1ca <printk+18a/200>

    ie. the second, idle CPU received a serial interrupt and crashed in it.

    the .config used for this is attached. The gdb backtrace:

    (gdb) list *0xc01aa193
    0xc01aa193 is in serial_in (serial_8250.c:176).
    171 { "RSA", 2048, UART_CLEAR_FIFO | UART_USE_FIFO }
    172 };
    173
    174 static _INLINE_ unsigned int serial_in(struct uart_8250_port *up, int offset)
    175 {
    176 offset <<= up->port.regshift;
    177
    178 switch (up->port.iotype) {
    179 case SERIAL_IO_HUB6:
    180 outb(up->port.hub6 - 1 + offset, up->port.iobase);
    (gdb)

    (gdb) list *0xc01ab696
    0xc01ab696 is in serial8250_interrupt (serial_8250.c:947).
    942 unsigned int iir;
    943
    944 up = list_entry(l, struct uart_8250_port, list);
    945
    946 iir = serial_in(up, UART_IIR);
    947 if (!(iir & UART_IIR_NO_INT)) {
    948 spin_lock(&up->port.lock);
    949 serial8250_handle_port(up, regs);
    950 spin_unlock(&up->port.lock);
    951
    (gdb)

    this backtrace looks more credible to me.

    Ingo
    #
    # Automatically generated by make menuconfig: don't edit
    #
    CONFIG_X86=y
    CONFIG_ISA=y
    # CONFIG_SBUS is not set
    CONFIG_UID16=y

    #
    # Code maturity level options
    #
    CONFIG_EXPERIMENTAL=y

    #
    # General setup
    #
    CONFIG_NET=y
    CONFIG_SYSVIPC=y
    # CONFIG_BSD_PROCESS_ACCT is not set
    CONFIG_SYSCTL=y

    #
    # Loadable module support
    #
    # CONFIG_MODULES is not set

    #
    # Processor type and features
    #
    # 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=y
    # CONFIG_MPENTIUMIII is not set
    # CONFIG_MPENTIUM4 is not set
    # CONFIG_MK6 is not set
    # CONFIG_MK7 is not set
    # CONFIG_MELAN is not set
    # CONFIG_MCRUSOE is not set
    # CONFIG_MWINCHIPC6 is not set
    # CONFIG_MWINCHIP2 is not set
    # CONFIG_MWINCHIP3D is not set
    # CONFIG_MCYRIXIII is not set
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INVLPG=y
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_XADD=y
    CONFIG_X86_BSWAP=y
    CONFIG_X86_POPAD_OK=y
    # CONFIG_RWSEM_GENERIC_SPINLOCK is not set
    CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    CONFIG_X86_L1_CACHE_SHIFT=5
    CONFIG_X86_TSC=y
    CONFIG_X86_GOOD_APIC=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_X86_PPRO_FENCE=y
    CONFIG_SMP=y
    # CONFIG_PREEMPT is not set
    # CONFIG_MULTIQUAD is not set
    # CONFIG_X86_MCE is not set
    # CONFIG_X86_MCE_NONFATAL is not set
    # CONFIG_X86_MCE_P4THERMAL is not set
    # CONFIG_TOSHIBA is not set
    # CONFIG_I8K is not set
    # CONFIG_MICROCODE is not set
    # CONFIG_X86_MSR is not set
    # CONFIG_X86_CPUID is not set
    CONFIG_NOHIGHMEM=y
    # CONFIG_HIGHMEM4G is not set
    # CONFIG_HIGHMEM64G is not set
    # CONFIG_MATH_EMULATION is not set
    CONFIG_MTRR=y
    CONFIG_HAVE_DEC_LOCK=y

    #
    # Power management options (ACPI, APM)
    #

    #
    # ACPI Support
    #
    # CONFIG_ACPI is not set
    # CONFIG_PM is not set
    # CONFIG_APM is not set

    #
    # Bus options (PCI, PCMCIA, EISA, MCA, ISA)
    #
    CONFIG_X86_IO_APIC=y
    CONFIG_X86_LOCAL_APIC=y
    CONFIG_PCI=y
    # CONFIG_PCI_GOBIOS is not set
    # CONFIG_PCI_GODIRECT is not set
    CONFIG_PCI_GOANY=y
    CONFIG_PCI_BIOS=y
    CONFIG_PCI_DIRECT=y
    # CONFIG_PCI_NAMES is not set
    # CONFIG_EISA is not set
    # CONFIG_MCA is not set
    CONFIG_HOTPLUG=y

    #
    # PCMCIA/CardBus support
    #
    # CONFIG_PCMCIA is not set

    #
    # PCI Hotplug Support
    #
    # CONFIG_HOTPLUG_PCI is not set
    # CONFIG_HOTPLUG_PCI_COMPAQ is not set
    # CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM is not set
    # CONFIG_HOTPLUG_PCI_IBM is not set

    #
    # Executable file formats
    #
    CONFIG_KCORE_ELF=y
    # CONFIG_KCORE_AOUT is not set
    CONFIG_BINFMT_AOUT=y
    CONFIG_BINFMT_ELF=y
    CONFIG_BINFMT_MISC=y

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

    #
    # Parallel port support
    #
    # CONFIG_PARPORT is not set

    #
    # Plug and Play configuration
    #
    # CONFIG_PNP is not set
    # CONFIG_ISAPNP is not set
    # CONFIG_PNPBIOS is not set

    #
    # 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_CISS_SCSI_TAPE is not set
    # CONFIG_BLK_DEV_DAC960 is not set
    # CONFIG_BLK_DEV_UMEM is not set
    # CONFIG_BLK_DEV_LOOP is not set
    # CONFIG_BLK_DEV_NBD is not set
    # CONFIG_BLK_DEV_RAM is not set
    # CONFIG_BLK_DEV_INITRD is not set

    #
    # Multi-device support (RAID and LVM)
    #
    # CONFIG_MD is not set
    # CONFIG_BLK_DEV_MD is not set
    # CONFIG_MD_LINEAR is not set
    # CONFIG_MD_RAID0 is not set
    # CONFIG_MD_RAID1 is not set
    # CONFIG_MD_RAID5 is not set
    # CONFIG_MD_MULTIPATH is not set
    # CONFIG_BLK_DEV_LVM is not set

    #
    # Networking options
    #
    CONFIG_PACKET=y
    # CONFIG_PACKET_MMAP is not set
    # CONFIG_NETLINK_DEV is not set
    # CONFIG_NETFILTER is not set
    # CONFIG_FILTER is not set
    CONFIG_UNIX=y
    CONFIG_INET=y
    # CONFIG_IP_MULTICAST is not set
    CONFIG_IP_ADVANCED_ROUTER=y
    # CONFIG_IP_MULTIPLE_TABLES is not set
    # CONFIG_IP_ROUTE_MULTIPATH is not set
    # CONFIG_IP_ROUTE_TOS is not set
    # CONFIG_IP_ROUTE_VERBOSE is not set
    # CONFIG_IP_ROUTE_LARGE_TABLES is not set
    # CONFIG_IP_PNP is not set
    # CONFIG_NET_IPIP is not set
    # CONFIG_NET_IPGRE is not set
    # CONFIG_ARPD is not set
    # CONFIG_INET_ECN is not set
    # CONFIG_SYN_COOKIES is not set
    # CONFIG_IPV6 is not set
    # CONFIG_KHTTPD is not set
    # CONFIG_ATM is not set
    # CONFIG_VLAN_8021Q is not set
    # CONFIG_IPX is not set
    # CONFIG_ATALK is not set

    #
    # Appletalk devices
    #
    # CONFIG_DEV_APPLETALK is not set
    # CONFIG_DECNET is not set
    # CONFIG_BRIDGE is not set
    # CONFIG_X25 is not set
    # CONFIG_LAPB is not set
    # CONFIG_LLC is not set
    # CONFIG_NET_DIVERT is not set
    # CONFIG_ECONET is not set
    # CONFIG_WAN_ROUTER is not set
    # CONFIG_NET_FASTROUTE is not set
    # CONFIG_NET_HW_FLOWCONTROL is not set

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

    #
    # Telephony Support
    #
    # CONFIG_PHONE is not set
    # CONFIG_PHONE_IXJ is not set
    # CONFIG_PHONE_IXJ_PCMCIA is not set

    #
    # ATA/IDE/MFM/RLL support
    #
    CONFIG_IDE=y

    #
    # ATA and ATAPI Block devices
    #
    CONFIG_BLK_DEV_IDE=y
    # CONFIG_BLK_DEV_HD_IDE is not set
    # CONFIG_BLK_DEV_HD is not set
    CONFIG_BLK_DEV_IDEDISK=y
    CONFIG_IDEDISK_MULTI_MODE=y
    # CONFIG_IDEDISK_STROKE is not set
    # CONFIG_BLK_DEV_IDECS is not set
    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_CMD640 is not set
    # CONFIG_BLK_DEV_CMD640_ENHANCED is not set
    # CONFIG_BLK_DEV_ISAPNP is not set
    # CONFIG_BLK_DEV_RZ1000 is not set
    # CONFIG_BLK_DEV_OFFBOARD is not set
    CONFIG_IDEPCI_SHARE_IRQ=y
    CONFIG_BLK_DEV_IDEDMA_PCI=y
    CONFIG_IDEDMA_PCI_AUTO=y
    # CONFIG_IDEDMA_ONLYDISK is not set
    CONFIG_BLK_DEV_IDEDMA=y
    # CONFIG_BLK_DEV_IDE_TCQ is not set
    # CONFIG_BLK_DEV_IDE_TCQ_DEFAULT is not set
    CONFIG_IDEDMA_NEW_DRIVE_LISTINGS=y
    # CONFIG_BLK_DEV_AEC62XX is not set
    # CONFIG_AEC6280_BURST is not set
    # CONFIG_BLK_DEV_ALI15X3 is not set
    # CONFIG_WDC_ALI15X3 is not set
    # CONFIG_BLK_DEV_AMD74XX is not set
    # CONFIG_BLK_DEV_CMD64X is not set
    # CONFIG_BLK_DEV_CY82C693 is not set
    # CONFIG_BLK_DEV_CS5530 is not set
    # CONFIG_BLK_DEV_HPT34X is not set
    # CONFIG_HPT34X_AUTODMA is not set
    # CONFIG_BLK_DEV_HPT366 is not set
    CONFIG_BLK_DEV_PIIX=y
    # CONFIG_BLK_DEV_NS87415 is not set
    # CONFIG_BLK_DEV_OPTI621 is not set
    # CONFIG_BLK_DEV_PDC202XX is not set
    # CONFIG_PDC202XX_BURST is not set
    # CONFIG_PDC202XX_FORCE is not set
    # CONFIG_BLK_DEV_SVWKS is not set
    # CONFIG_BLK_DEV_SIS5513 is not set
    # CONFIG_BLK_DEV_TRM290 is not set
    # CONFIG_BLK_DEV_VIA82CXXX is not set
    # CONFIG_BLK_DEV_SL82C105 is not set
    # CONFIG_IDE_CHIPSETS is not set
    # CONFIG_IDEDMA_IVB is not set
    CONFIG_ATAPI=y
    CONFIG_IDEDMA_AUTO=y
    # CONFIG_BLK_DEV_ATARAID is not set
    # CONFIG_BLK_DEV_ATARAID_PDC is not set
    # CONFIG_BLK_DEV_ATARAID_HPT is not set

    #
    # SCSI support
    #
    # CONFIG_SCSI is not set

    #
    # Fusion MPT device support
    #
    # CONFIG_FUSION is not set
    # CONFIG_FUSION_BOOT is not set
    # CONFIG_FUSION_ISENSE is not set
    # CONFIG_FUSION_CTL is not set
    # CONFIG_FUSION_LAN is not set

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

    #
    # I2O device support
    #
    # CONFIG_I2O is not set
    # CONFIG_I2O_PCI is not set
    # CONFIG_I2O_BLOCK is not set
    # CONFIG_I2O_LAN is not set
    # CONFIG_I2O_SCSI is not set
    # CONFIG_I2O_PROC is not set

    #
    # Network device support
    #
    CONFIG_NETDEVICES=y

    #
    # ARCnet devices
    #
    # CONFIG_ARCNET is not set
    # CONFIG_DUMMY is not set
    # CONFIG_BONDING is not set
    # CONFIG_EQUALIZER is not set
    # CONFIG_TUN is not set
    # CONFIG_ETHERTAP is not set

    #
    # Ethernet (10 or 100Mbit)
    #
    CONFIG_NET_ETHERNET=y
    # CONFIG_SUNLANCE is not set
    # CONFIG_HAPPYMEAL is not set
    # CONFIG_SUNBMAC is not set
    # CONFIG_SUNQE is not set
    # CONFIG_SUNGEM is not set
    # CONFIG_NET_VENDOR_3COM is not set
    # CONFIG_LANCE is not set
    # CONFIG_NET_VENDOR_SMC is not set
    # CONFIG_NET_VENDOR_RACAL is not set
    # 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_ADAPTEC_STARFIRE is not set
    # CONFIG_AC3200 is not set
    # CONFIG_APRICOT is not set
    # CONFIG_CS89x0 is not set
    # CONFIG_DGRS is not set
    CONFIG_EEPRO100=y
    # CONFIG_E100 is not set
    # CONFIG_LNE390 is not set
    # CONFIG_FEALNX is not set
    # CONFIG_NATSEMI is not set
    # CONFIG_NE2K_PCI is not set
    # CONFIG_NE3210 is not set
    # CONFIG_ES3210 is not set
    # CONFIG_8139CP is not set
    # CONFIG_8139TOO is not set
    # CONFIG_8139TOO_PIO is not set
    # CONFIG_8139TOO_TUNE_TWISTER is not set
    # CONFIG_8139TOO_8129 is not set
    # CONFIG_8139_NEW_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_VIA_RHINE_MMIO 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_MYRI_SBUS is not set
    # CONFIG_NS83820 is not set
    # CONFIG_HAMACHI is not set
    # CONFIG_YELLOWFIN is not set
    # CONFIG_SK98LIN is not set
    # CONFIG_TIGON3 is not set
    # CONFIG_FDDI is not set
    # CONFIG_HIPPI is not set
    # CONFIG_PLIP is not set
    # CONFIG_PPP is not set
    # CONFIG_SLIP is not set

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

    #
    # Token Ring devices
    #
    # CONFIG_TR is not set
    # CONFIG_NET_FC is not set
    # CONFIG_RCPCI is not set
    # CONFIG_SHAPER is not set

    #
    # Wan interfaces
    #
    # CONFIG_WAN is not set

    #
    # Tulip family network device support
    #
    # CONFIG_NET_TULIP is not set

    #
    # Amateur Radio support
    #
    # CONFIG_HAMRADIO is not set

    #
    # IrDA (infrared) support
    #
    # CONFIG_IRDA is not set

    #
    # ISDN subsystem
    #
    # CONFIG_ISDN_BOOL is not set

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

    #
    # Input device support
    #
    # CONFIG_INPUT is not set
    # CONFIG_INPUT_KEYBDEV is not set
    # CONFIG_INPUT_MOUSEDEV is not set
    # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
    # CONFIG_INPUT_JOYDEV is not set
    # CONFIG_INPUT_TSDEV is not set
    # CONFIG_INPUT_EVDEV is not set
    # CONFIG_INPUT_EVBUG is not set
    # CONFIG_INPUT_UINPUT is not set
    # CONFIG_GAMEPORT is not set
    CONFIG_SOUND_GAMEPORT=y
    # CONFIG_GAMEPORT_NS558 is not set
    # CONFIG_GAMEPORT_L4 is not set
    # CONFIG_GAMEPORT_EMU10K1 is not set
    # CONFIG_GAMEPORT_VORTEX is not set
    # CONFIG_GAMEPORT_FM801 is not set
    # CONFIG_GAMEPORT_CS461x is not set
    # CONFIG_SERIO is not set
    # CONFIG_SERIO_I8042 is not set
    # CONFIG_SERIO_SERPORT is not set
    # CONFIG_SERIO_CT82C710 is not set
    # CONFIG_SERIO_Q40KBD is not set
    # CONFIG_SERIO_PARKBD is not set

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

    #
    # Serial drivers
    #
    CONFIG_SERIAL_8250=y
    CONFIG_SERIAL_8250_CONSOLE=y
    # CONFIG_SERIAL_8250_CS is not set
    CONFIG_SERIAL_8250_EXTENDED=y
    # CONFIG_SERIAL_8250_MANY_PORTS is not set
    CONFIG_SERIAL_8250_SHARE_IRQ=y
    CONFIG_SERIAL_8250_DETECT_IRQ=y
    # CONFIG_SERIAL_8250_MULTIPORT is not set
    # CONFIG_SERIAL_8250_RSA is not set
    CONFIG_SERIAL_CORE=y
    CONFIG_SERIAL_CORE_CONSOLE=y
    # CONFIG_UNIX98_PTYS is not set

    #
    # I2C support
    #
    # CONFIG_I2C is not set

    #
    # Mice
    #
    # CONFIG_BUSMOUSE is not set
    CONFIG_PSMOUSE=y
    # CONFIG_QIC02_TAPE is not set

    #
    # Watchdog Cards
    #
    CONFIG_WATCHDOG=y
    # CONFIG_WATCHDOG_NOWAYOUT is not set
    # CONFIG_SOFT_WATCHDOG is not set
    # CONFIG_WDT is not set
    # CONFIG_WDTPCI is not set
    # CONFIG_PCWATCHDOG is not set
    # CONFIG_ACQUIRE_WDT is not set
    # CONFIG_ADVANTECH_WDT is not set
    # CONFIG_EUROTECH_WDT is not set
    # CONFIG_IB700_WDT is not set
    # CONFIG_I810_TCO is not set
    # CONFIG_MIXCOMWD is not set
    # CONFIG_60XX_WDT is not set
    # CONFIG_W83877F_WDT is not set
    # CONFIG_MACHZ_WDT is not set
    # CONFIG_INTEL_RNG is not set
    # CONFIG_NVRAM is not set
    # CONFIG_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_FTAPE is not set
    # CONFIG_AGP is not set
    # CONFIG_DRM is not set
    # CONFIG_MWAVE is not set

    #
    # Multimedia devices
    #
    # CONFIG_VIDEO_DEV is not set

    #
    # File systems
    #
    # CONFIG_QUOTA is not set
    # CONFIG_QFMT_V1 is not set
    # CONFIG_QFMT_V2 is not set
    # CONFIG_AUTOFS_FS is not set
    # CONFIG_AUTOFS4_FS is not set
    # CONFIG_REISERFS_FS is not set
    # CONFIG_REISERFS_CHECK is not set
    # CONFIG_REISERFS_PROC_INFO is not set
    # CONFIG_ADFS_FS is not set
    # CONFIG_ADFS_FS_RW is not set
    # CONFIG_AFFS_FS is not set
    # CONFIG_HFS_FS is not set
    # CONFIG_BFS_FS is not set
    CONFIG_EXT3_FS=y
    CONFIG_JBD=y
    # CONFIG_JBD_DEBUG is not set
    # CONFIG_FAT_FS is not set
    # CONFIG_MSDOS_FS is not set
    # CONFIG_UMSDOS_FS is not set
    # CONFIG_VFAT_FS is not set
    # CONFIG_EFS_FS is not set
    # CONFIG_JFFS_FS is not set
    # CONFIG_JFFS2_FS is not set
    # CONFIG_CRAMFS is not set
    CONFIG_TMPFS=y
    CONFIG_RAMFS=y
    # CONFIG_ISO9660_FS is not set
    # CONFIG_JOLIET is not set
    # CONFIG_ZISOFS is not set
    # CONFIG_JFS_FS is not set
    # CONFIG_JFS_DEBUG is not set
    # CONFIG_JFS_STATISTICS is not set
    # CONFIG_MINIX_FS is not set
    # CONFIG_VXFS_FS is not set
    # CONFIG_NTFS_FS is not set
    # CONFIG_NTFS_DEBUG is not set
    # CONFIG_HPFS_FS is not set
    CONFIG_PROC_FS=y
    # CONFIG_DEVFS_FS is not set
    # CONFIG_DEVFS_MOUNT is not set
    # CONFIG_DEVFS_DEBUG is not set
    # CONFIG_DEVPTS_FS is not set
    # CONFIG_QNX4FS_FS is not set
    # CONFIG_QNX4FS_RW is not set
    # CONFIG_ROMFS_FS is not set
    CONFIG_EXT2_FS=y
    # CONFIG_SYSV_FS is not set
    # CONFIG_UDF_FS is not set
    # CONFIG_UDF_RW is not set
    # CONFIG_UFS_FS is not set
    # CONFIG_UFS_FS_WRITE is not set

    #
    # Network File Systems
    #
    # CONFIG_CODA_FS is not set
    # CONFIG_INTERMEZZO_FS is not set
    # CONFIG_NFS_FS is not set
    # CONFIG_NFS_V3 is not set
    # CONFIG_ROOT_NFS is not set
    # CONFIG_NFSD is not set
    # CONFIG_NFSD_V3 is not set
    # CONFIG_NFSD_TCP is not set
    # CONFIG_SUNRPC is not set
    # CONFIG_LOCKD is not set
    # CONFIG_EXPORTFS is not set
    # CONFIG_SMB_FS is not set
    # CONFIG_NCP_FS is not set
    # CONFIG_NCPFS_PACKET_SIGNING is not set
    # CONFIG_NCPFS_IOCTL_LOCKING is not set
    # CONFIG_NCPFS_STRONG is not set
    # CONFIG_NCPFS_NFS_NS is not set
    # CONFIG_NCPFS_OS2_NS is not set
    # CONFIG_NCPFS_SMALLDOS is not set
    # CONFIG_NCPFS_NLS is not set
    # CONFIG_NCPFS_EXTRAS is not set
    # CONFIG_ZISOFS_FS is not set

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

    #
    # Console drivers
    #
    CONFIG_VGA_CONSOLE=y
    # CONFIG_VIDEO_SELECT is not set
    # CONFIG_MDA_CONSOLE is not set

    #
    # Frame-buffer support
    #
    # CONFIG_FB is not set

    #
    # Sound
    #
    # CONFIG_SOUND is not set

    #
    # USB support
    #
    # CONFIG_USB is not set

    #
    # Bluetooth support
    #
    # CONFIG_BLUEZ is not set

    #
    # Kernel hacking
    #
    # CONFIG_SOFTWARE_SUSPEND is not set
    CONFIG_DEBUG_KERNEL=y
    CONFIG_DEBUG_SLAB=y
    CONFIG_DEBUG_IOVIRT=y
    CONFIG_MAGIC_SYSRQ=y
    CONFIG_DEBUG_SPINLOCK=y

    #
    # Security options
    #
    CONFIG_SECURITY_CAPABILITIES=y

    #
    # Library routines
    #
    # CONFIG_CRC32 is not set
    # CONFIG_ZLIB_INFLATE is not set
    # CONFIG_ZLIB_DEFLATE is not set
    \
     
     \ /
      Last update: 2005-03-22 13:27    [W:0.059 / U:30.424 seconds]
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