Messages in this thread | | | From | "Parminder Chhabra" <> | Date | Sun, 17 Jul 2005 23:25:23 -0500 | Subject | repeated Oops on Kernel 2.6.12.2 |
| |
Hi,
I get repeated Oops messages on 2.6.12.2. I get the message on inserting a module that spawns a kernel thread to perform a task on a group of packets. The thread runs only a stub routine to simulate delay in serving a group of packets. The above condition is reached before the thread is invoked by the packets the first time.
I notice from previous postings that there was a problem with the free_block in the 2.6.9-rc2 kernel. This appears to be similar problem. Any pointers will help.
Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c0141205 *pde = 00000000 Oops: 0002 [#1] PREEMPT Modules linked in: module1 3c59x eepro100 CPU: 0 EIP: 0060:[<c0141205>] Tainted: P VLI EFLAGS: 00010012 (2.6.12.2) EIP is at free_block+0x55/0xe0 eax: cfa60cc0 ebx: cfa60ec0 ecx: cf077400 edx: 00000000
EIP is at free_block+0x55/0xe0 eax: cfa60cc0 ebx: cfa60ec0 ecx: cf077400 edx: 00000000 esi: cfffd760 edi: 00000003 ebp: cfffd76c esp: cffa3ed8 ds: 007b es: 007b ss: 0068 Process events/0 (pid: 3, threadinfo=cffa2000 task=cffe2020) Stack: 00000246 c011dbd5 cfffd77c cfff9150 cfff9140 0000000b cfffd760 c014188f cfffd760 cfff9150 0000000b cfffd7fc cfffd760 cfffd7d0 00000003 c0141963 cfffd760 cfff9140 00000000 cfffd7fc cffa2000 cffa2000 00000296 c05bb444 Call Trace: [<c011dbd5>] __mod_timer+0x115/0x1c0 [<c014188f>] drain_array_locked+0x7f/0xb0 [<c0141963>] cache_reap+0xa3/0x1c0
[<c01418c0>] cache_reap+0x0/0x1c0 [<c0111030>] default_wake_function+0x0/0x20 [<c0111030>] default_wake_function+0x0/0x20 [<c0125a00>] worker_thread+0x0/0x2e0 [<c012a50a>] kthread+0xaa/0xb0 [<c012a460>] kthread+0x0/0xb0 [<c0100e15>] kernel_thread_helper+0x5/0x10 Code: bc 27 00 00 00 00 8b 44 24 24 8b 15 b0 b4 5b c0 8b 0c b8 8d 81 00 00 00 40 c1 e8 0c c1 e0 05 8b 5c 02 1c 8b 53 04 8b 03 89 50 04 <89> 02 8b 43 0c 31 d2 c7 03 00 01 10 00 c7 43 04 00 02 20 00 29 note: events/0[3] exited with preempt_count 1
The following is the config file with only the [y|m] attributes shown for brevity.
CONFIG_X86=y CONFIG_MMU=y CONFIG_UID16=y CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y CONFIG_LOCK_KERNEL=y CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSCTL=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_EMBEDDED=y CONFIG_KALLSYMS=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_OBSOLETE_MODPARM=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_KMOD=y CONFIG_X86_PC=y CONFIG_MPENTIUMIII=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y 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_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_PREEMPT=y CONFIG_PREEMPT_BKL=y CONFIG_X86_TSC=y CONFIG_X86_MCE=y CONFIG_X86_MCE_NONFATAL=y CONFIG_X86_CPUID=y CONFIG_NOHIGHMEM=y CONFIG_MTRR=y CONFIG_HAVE_DEC_LOCK=y CONFIG_SECCOMP=y CONFIG_PM=y CONFIG_ACPI=y CONFIG_ACPI_BOOT=y CONFIG_ACPI_INTERPRETER=y CONFIG_ACPI_AC=y CONFIG_ACPI_BATTERY=y CONFIG_ACPI_BUTTON=y CONFIG_ACPI_FAN=y CONFIG_ACPI_PROCESSOR=y CONFIG_ACPI_THERMAL=y CONFIG_ACPI_IBM=m CONFIG_ACPI_BUS=y CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_PCI=y CONFIG_ACPI_SYSTEM=y CONFIG_PCI=y CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y CONFIG_PCI_LEGACY_PROC=y CONFIG_PCI_NAMES=y CONFIG_ISA_DMA_API=y CONFIG_ISA=y CONFIG_BINFMT_ELF=y CONFIG_BINFMT_AOUT=y CONFIG_BINFMT_MISC=y CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=m CONFIG_MTD=y CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y CONFIG_PARPORT=y CONFIG_PARPORT_PC=y CONFIG_PNP=y CONFIG_BLK_DEV_FD=y CONFIG_LBD=y CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y CONFIG_BLK_DEV_IDEDISK=y CONFIG_IDEDISK_MULTI_MODE=y CONFIG_BLK_DEV_IDECD=y CONFIG_IDE_GENERIC=y CONFIG_BLK_DEV_CMD640=y CONFIG_BLK_DEV_IDEPCI=y CONFIG_IDEPCI_SHARE_IRQ=y CONFIG_BLK_DEV_GENERIC=y CONFIG_BLK_DEV_RZ1000=y CONFIG_BLK_DEV_IDEDMA_PCI=y CONFIG_IDEDMA_PCI_AUTO=y CONFIG_BLK_DEV_PIIX=y CONFIG_BLK_DEV_IDEDMA=y CONFIG_IDEDMA_AUTO=y CONFIG_SCSI=y CONFIG_SCSI_PROC_FS=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_SG=y CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_AHA152X=y CONFIG_SCSI_AHA1542=y CONFIG_SCSI_AACRAID=y CONFIG_SCSI_AIC7XXX=y CONFIG_AIC7XXX_DEBUG_ENABLE=y CONFIG_AIC7XXX_REG_PRETTY_PRINT=y CONFIG_SCSI_AIC7XXX_OLD=y CONFIG_SCSI_AIC79XX=y CONFIG_AIC79XX_DEBUG_ENABLE=y CONFIG_AIC79XX_REG_PRETTY_PRINT=y CONFIG_SCSI_DPT_I2O=y CONFIG_SCSI_SATA=y CONFIG_SCSI_ATA_PIIX=y CONFIG_SCSI_IPR=m CONFIG_SCSI_QLA2XXX=y CONFIG_IEEE1394=y CONFIG_IEEE1394_OHCI1394=y CONFIG_IEEE1394_RAWIO=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_FWMARK=y CONFIG_IP_TCPDIAG=y CONFIG_NETFILTER=y CONFIG_IP_NF_CONNTRACK=y CONFIG_IP_NF_QUEUE=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_MATCH_LIMIT=y CONFIG_IP_NF_MATCH_IPRANGE=y CONFIG_IP_NF_MATCH_MAC=y CONFIG_IP_NF_MATCH_PKTTYPE=y CONFIG_IP_NF_MATCH_MARK=y CONFIG_IP_NF_MATCH_MULTIPORT=y CONFIG_IP_NF_MATCH_TOS=y CONFIG_IP_NF_MATCH_RECENT=y CONFIG_IP_NF_MATCH_ECN=y CONFIG_IP_NF_MATCH_DSCP=y CONFIG_IP_NF_MATCH_AH_ESP=y CONFIG_IP_NF_MATCH_LENGTH=y CONFIG_IP_NF_MATCH_TTL=y CONFIG_IP_NF_MATCH_TCPMSS=y CONFIG_IP_NF_MATCH_HELPER=y CONFIG_IP_NF_MATCH_STATE=y CONFIG_IP_NF_MATCH_CONNTRACK=y CONFIG_IP_NF_MATCH_OWNER=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_TARGET_LOG=y CONFIG_IP_NF_TARGET_ULOG=y CONFIG_IP_NF_TARGET_TCPMSS=y CONFIG_IP_NF_NAT=y CONFIG_IP_NF_NAT_NEEDED=y CONFIG_IP_NF_TARGET_MASQUERADE=y CONFIG_IP_NF_TARGET_REDIRECT=y CONFIG_IP_NF_TARGET_NETMAP=y CONFIG_IP_NF_TARGET_SAME=y CONFIG_IP_NF_MANGLE=y CONFIG_IP_NF_TARGET_TOS=y CONFIG_IP_NF_TARGET_ECN=y CONFIG_IP_NF_TARGET_DSCP=y CONFIG_IP_NF_TARGET_MARK=y CONFIG_IP_NF_TARGET_CLASSIFY=y CONFIG_IP_NF_RAW=m CONFIG_IP_NF_TARGET_NOTRACK=m CONFIG_IP_NF_ARPTABLES=y CONFIG_IP_NF_ARPFILTER=y CONFIG_IP_NF_ARP_MANGLE=y CONFIG_NET_SCHED=y CONFIG_NET_SCH_CLK_JIFFIES=y CONFIG_NET_SCH_CBQ=m CONFIG_NET_SCH_RED=m CONFIG_NET_CLS=y CONFIG_NETDEVICES=y CONFIG_DUMMY=m CONFIG_NET_ETHERNET=y CONFIG_MII=y CONFIG_NET_VENDOR_3COM=y CONFIG_VORTEX=m CONFIG_NET_PCI=y CONFIG_PCNET32=m CONFIG_AMD8111_ETH=m CONFIG_AMD8111E_NAPI=y CONFIG_EEPRO100=m CONFIG_FEALNX=m CONFIG_NATSEMI=m CONFIG_NE2K_PCI=m CONFIG_8139TOO=y CONFIG_8139TOO_PIO=y CONFIG_S2IO=m CONFIG_INPUT=y CONFIG_INPUT_MOUSEDEV=y CONFIG_INPUT_MOUSEDEV_PSAUX=y CONFIG_INPUT_KEYBOARD=y CONFIG_KEYBOARD_ATKBD=y CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=y CONFIG_SERIO=y CONFIG_SERIO_I8042=y CONFIG_SERIO_LIBPS2=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_CORE=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_PRINTER=y CONFIG_AGP=y CONFIG_AGP_INTEL=y CONFIG_DRM=y CONFIG_VGA_CONSOLE=y CONFIG_DUMMY_CONSOLE=y CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_TIMER=y CONFIG_SND_PCM=y CONFIG_SND_SEQUENCER=y CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_AC97_CODEC=y CONFIG_SND_INTEL8X0=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB=y CONFIG_USB_DEVICEFS=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_UHCI_HCD=y CONFIG_USB_PRINTER=y CONFIG_USB_STORAGE=y CONFIG_USB_HID=y CONFIG_USB_HIDINPUT=y CONFIG_USB_EGALAX=m CONFIG_USB_MON=y CONFIG_USB_CYTHERM=m CONFIG_USB_PHIDGETSERVO=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_JBD=y CONFIG_FS_MBCACHE=y CONFIG_DNOTIFY=y CONFIG_AUTOFS4_FS=y CONFIG_ISO9660_FS=y CONFIG_JOLIET=y CONFIG_UDF_FS=y CONFIG_UDF_NLS=y CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_RAMFS=y CONFIG_NFS_FS=y CONFIG_NFSD=y CONFIG_NFSD_TCP=y CONFIG_LOCKD=y CONFIG_EXPORTFS=y CONFIG_SUNRPC=y CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_PREEMPT=y CONFIG_DEBUG_BUGVERBOSE=y CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_X86_BIOS_REBOOT=y
-- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |