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From
SubjectOops
Hi,

After about a 3day uptime, Linux 2.2.3 oopsed everytime a program called
sync(2). Here's the oops.

Mar 20 20:08:25 continuum kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000024
Mar 20 20:08:25 continuum kernel: current->tss.cr3 = 05a12000, %cr3 = 05a12000
Mar 20 20:08:25 continuum kernel: *pde = 00000000
Mar 20 20:08:25 continuum kernel: Oops: 0000
Mar 20 20:08:25 continuum kernel: CPU: 0
Mar 20 20:08:25 continuum kernel: EIP: 0010:[write_dquot+21/216]
Mar 20 20:08:25 continuum kernel: EFLAGS: 00010206
Mar 20 20:08:25 continuum kernel: eax: 00000024 ebx: c2051ae0 ecx: 00000301 edx: 00000000
Mar 20 20:08:25 continuum kernel: esi: c2051a80 edi: ffffffff ebp: 00000000 esp: c2167f70
Mar 20 20:08:25 continuum kernel: ds: 0018 es: 0018 ss: 0018
Mar 20 20:08:25 continuum kernel: Process sync (pid: 11771, process nr: 294, stackpage=c2167000)
Mar 20 20:08:25 continuum kernel: Stack: ffffffff 00000000 c0523080 c624c660 c0132450 c2051ae0 00000000 00000001
Mar 20 20:08:25 continuum kernel: 08048740 bffffbc8 c01242fc 00000000 ffffffff 00000000 00000000 00000000
Mar 20 20:08:25 continuum kernel: 00000000 c2166000 c0124313 00000000 c0108704 bffffbe4 400f642d 08049f40
Mar 20 20:08:25 continuum kernel: Call Trace: [sync_dquots+84/116] [fsync_dev+36/52] [sys_sync+7/16] [system_call+52/64]
Mar 20 20:08:25 continuum kernel: Code: 8b 34 90 66 8b 43 2c a8 01 74 0d 53 e8 62 ff ff ff 83 c4 04

Any ideas as to what this could be? I am not a kernel hacker and have no
idea how to interpret this.

#
# Automatically generated make config: don't edit
#

#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y

#
# Processor type and features
#
# CONFIG_M386 is not set
# CONFIG_M486 is not set
# CONFIG_M586 is not set
CONFIG_M586TSC=y
# CONFIG_M686 is not set
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_TSC=y
# CONFIG_MATH_EMULATION is not set
# CONFIG_MTRR is not set
# CONFIG_SMP is not set

#
# Loadable module support
#
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
CONFIG_KMOD=y

#
# General setup
#
CONFIG_NET=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_QUIRKS=y
# CONFIG_PCI_OPTIMIZE is not set
# CONFIG_PCI_OLD_PROC is not set
# CONFIG_MCA is not set
# CONFIG_VISWS is not set
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSCTL=y
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
# CONFIG_BINFMT_JAVA is not set
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
# CONFIG_PARPORT_OTHER is not set
CONFIG_APM=y
# CONFIG_APM_IGNORE_USER_SUSPEND is not set
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_CPU_IDLE=y
# CONFIG_APM_DISPLAY_BLANK is not set
CONFIG_APM_POWER_OFF=y
# CONFIG_APM_IGNORE_MULTIPLE_SUSPEND is not set
# CONFIG_APM_IGNORE_SUSPEND_BOUNCE is not set
CONFIG_APM_RTC_IS_GMT=y
# CONFIG_APM_ALLOW_INTS is not set

#
# Plug and Play support
#
# CONFIG_PNP is not set

#
# Block devices
#
CONFIG_BLK_DEV_FD=m
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD_IDE is not set
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=m
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
CONFIG_BLK_DEV_IDESCSI=m
# CONFIG_BLK_DEV_CMD640 is not set
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_BLK_DEV_OFFBOARD is not set
CONFIG_IDEDMA_AUTO=y
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_VIA82C586 is not set
# CONFIG_BLK_DEV_CMD646 is not set
# CONFIG_IDE_CHIPSETS is not set

#
# Additional Block Devices
#
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_MD is not set
CONFIG_BLK_DEV_RAM=m
# CONFIG_BLK_DEV_XD is not set
CONFIG_PARIDE_PARPORT=m
# CONFIG_PARIDE is not set
# CONFIG_BLK_DEV_HD is not set

#
# Networking options
#
CONFIG_PACKET=m
# CONFIG_NETLINK is not set
CONFIG_FIREWALL=y
CONFIG_FILTER=y
CONFIG_UNIX=m
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
CONFIG_IP_FIREWALL=y
CONFIG_IP_ALWAYS_DEFRAG=y
# CONFIG_IP_TRANSPARENT_PROXY is not set
CONFIG_IP_MASQUERADE=y

#
# Protocol-specific masquerading support will be built as modules.
#
CONFIG_IP_MASQUERADE_ICMP=y

#
# Protocol-specific masquerading support will be built as modules.
#
CONFIG_IP_MASQUERADE_MOD=y
CONFIG_IP_MASQUERADE_IPAUTOFW=m
CONFIG_IP_MASQUERADE_IPPORTFW=m
CONFIG_IP_MASQUERADE_MFW=m
# CONFIG_IP_ROUTER is not set
CONFIG_NET_IPIP=m
# CONFIG_NET_IPGRE is not set
CONFIG_IP_ALIAS=y
# CONFIG_SYN_COOKIES is not set

#
# (it is safe to leave these untouched)
#
# CONFIG_INET_RARP is not set
CONFIG_SKB_LARGE=y
CONFIG_IPV6=m
# CONFIG_IPV6_EUI64 is not set

#
#
#
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_BRIDGE is not set
# CONFIG_LLC 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
# CONFIG_CPU_IS_SLOW is not set

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

#
# SCSI support
#
CONFIG_SCSI=m

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

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

#
# SCSI low-level drivers
#
# 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_AHA1740 is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_MEGARAID is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DTC3280 is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_EATA_DMA is not set
# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_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_SYM53C416 is not set
# CONFIG_SCSI_NCR53C7xx is not set
# CONFIG_SCSI_NCR53C8XX is not set
# CONFIG_SCSI_PAS16 is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_PSI240I is not set
# CONFIG_SCSI_QLOGIC_FAS is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
# CONFIG_SCSI_QLOGIC_FC is not set
# CONFIG_SCSI_SEAGATE 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_DEBUG is not set

#
# Network device support
#
CONFIG_NETDEVICES=y
# CONFIG_ARCNET is not set
CONFIG_DUMMY=m
CONFIG_EQUALIZER=m
CONFIG_NET_ETHERNET=y
# 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_RTL8139 is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_ACENIC is not set
# CONFIG_NET_ISA is not set
CONFIG_NET_EISA=y
# CONFIG_PCNET32 is not set
# CONFIG_AC3200 is not set
# CONFIG_APRICOT is not set
# CONFIG_CS89x0 is not set
# CONFIG_DE4X5 is not set
CONFIG_DEC_ELCP=m
# CONFIG_DGRS is not set
# CONFIG_EEXPRESS_PRO100 is not set
# CONFIG_LNE390 is not set
# CONFIG_NE3210 is not set
# CONFIG_NE2K_PCI is not set
# CONFIG_TLAN is not set
# CONFIG_VIA_RHINE is not set
# CONFIG_ES3210 is not set
# CONFIG_EPIC100 is not set
# CONFIG_ZNET is not set
# CONFIG_NET_POCKET is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_DLCI is not set
CONFIG_PLIP=m
CONFIG_PPP=m

#
# CCP compressors for PPP are only built as modules.
#
CONFIG_SLIP=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
CONFIG_SHAPER=m
# CONFIG_HOSTESS_SV11 is not set
# CONFIG_COSA is not set
# CONFIG_RCPCI is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA subsystem support
#
# CONFIG_IRDA is not set

#
# ISDN subsystem
#
# CONFIG_ISDN is not set

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

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_SERIAL_CONSOLE=y
CONFIG_SERIAL_EXTENDED=y
# CONFIG_SERIAL_MANY_PORTS is not set
# CONFIG_SERIAL_SHARE_IRQ is not set
# CONFIG_SERIAL_DETECT_IRQ is not set
# CONFIG_SERIAL_MULTIPORT is not set
# CONFIG_HUB6 is not set
# CONFIG_SERIAL_NONSTANDARD is not set
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_PRINTER=m
# CONFIG_PRINTER_READBACK is not set
# CONFIG_MOUSE is not set
# CONFIG_QIC02_TAPE is not set
# CONFIG_WATCHDOG is not set
CONFIG_NVRAM=m
CONFIG_RTC=y

#
# Video For Linux
#
# CONFIG_VIDEO_DEV is not set

#
# Joystick support
#
# CONFIG_JOYSTICK is not set
# CONFIG_DTLK is not set

#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set

#
# Filesystems
#
CONFIG_QUOTA=y
CONFIG_AUTOFS_FS=m
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
CONFIG_UMSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_MINIX_FS=m
# CONFIG_NTFS_FS is not set
# CONFIG_HPFS_FS is not set
CONFIG_PROC_FS=y
CONFIG_DEVPTS_FS=y
# CONFIG_QNX4FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_EXT2_FS=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set

#
# Network File Systems
#
CONFIG_CODA_FS=m
CONFIG_NFS_FS=m
# CONFIG_NFSD is not set
CONFIG_SUNRPC=m
CONFIG_LOCKD=m
CONFIG_SMB_FS=m
CONFIG_SMB_WIN95=y
# CONFIG_NCP_FS is not set

#
# Partition Types
#
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MAC_PARTITION is not set
# CONFIG_SMD_DISKLABEL is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
CONFIG_NLS=y

#
# Native Language Support
#
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_874=m
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_8=m
CONFIG_NLS_ISO8859_9=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m

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

#
# Sound
#
CONFIG_SOUND=m
CONFIG_SOUND_ES1370=m
# CONFIG_SOUND_ES1371 is not set
# CONFIG_SOUND_SONICVIBES is not set
# CONFIG_SOUND_MSNDCLAS is not set
# CONFIG_SOUND_MSNDPIN is not set
# CONFIG_SOUND_OSS is not set

#
# Kernel hacking
#
# CONFIG_MAGIC_SYSRQ is not set

--
Shane Wegner: shane@cm.nu
Tel: (604) 930-0530
Sysadmin, Continuum Systems: http://www.cm.nu
Personal website: http://www.cm.nu/~shane
ICQ UIN: 120000
PGP: keyid: 2048/F5C2BD91
Fingerprint: 8C 48 B9 D8 53 BB D8 EF
76 BB DB A2 1C 0D 1D 87
[unhandled content-type:application/pgp-signature]
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