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* Oops with kernel 2.4.5 on heavy disk traffic
@ 2001-06-10 11:09 Alois Treindl
  2001-06-10 15:36 ` [PATCH] " Alexander Viro
  0 siblings, 1 reply; 3+ messages in thread
From: Alois Treindl @ 2001-06-10 11:09 UTC (permalink / raw)
  To: linux-kernel


I run kernel 2.4.5 on Dell Poweredge 2450 with 1.5 Gb RAM
and an onboard adaptec disk driver, dual pentium III 933 Mhz,
3 disks (160 mb transfer rate, 36 Gb each).

When I put the system under heavy load today (load level 15, about 20
httpd processes and three concurrent copies of large file trees between
the various scsi disks),

there is considerable NFS traffic from/to 3 clients going on.

I am not subscribed to the kernel mailing list, so please 
cc to alois@astro.ch for questions or replies.

I have got a kernel oops message:

------------------------------------- begin oops -----------
ksymoops 2.4.1 on i686 2.4.5.  Options used
Warning (compare_maps): ksyms_base symbol __VERSIONED_SYMBOL(shmem_file_setup) not found in System.map.  Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 0000001a
c014e1e2
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<c014e1e2>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 0000000a   ebx: f293dba0   ecx: c02376bc   edx: e8cca000
esi: c02377c0   edi: 0000000b   ebp: 00000004   esp: eb2d1e8c
ds: 0018   es: 0018   ss: 0018
Process top (pid: 4066, stackpage=eb2d1000)
Stack: c014aaaf f293dba0 e8cca000 c299c000 c014f409 f293dba0 c0237b00 f3016444 
       f293d7e0 c014f660 c299c000 e8cca000 0000000b fffffff4 eb2d0000 f30163e0 
       f293d7e0 c02007aa e8cca000 ffffffea c013f983 f293d7e0 f30163e0 00000000 
Call Trace: [<c014aaaf>] [<c014f409>] [<c014f660>] [<c013f983>] [<c014019b>] [<c0140abb>] [<c0133d83>] 
       [<c0134090>] [<c0106efb>] [<c010002b>] 
Code: f0 ff 48 10 8b 42 24 80 48 14 08 52 e8 ed fe ff ff 83 c4 04 

>>EIP; c014e1e2 <proc_delete_inode+32/48>   <=====
Trace; c014aaaf <iput+b3/168>
Trace; c014f409 <proc_pid_make_inode+ad/b8>
Trace; c014f660 <proc_base_lookup+88/24c>
Trace; c013f983 <real_lookup+7b/128>
Trace; c014019b <path_walk+60f/854>
Trace; c0140abb <open_namei+93/5c8>
Trace; c0133d83 <filp_open+3b/5c>
Trace; c0134090 <sys_open+3c/f4>
Trace; c0106efb <system_call+33/38>
Trace; c010002b <startup_32+2b/cb>
Code;  c014e1e2 <proc_delete_inode+32/48>
00000000 <_EIP>:
Code;  c014e1e2 <proc_delete_inode+32/48>   <=====
   0:   f0 ff 48 10               lock decl 0x10(%eax)   <=====
Code;  c014e1e6 <proc_delete_inode+36/48>
   4:   8b 42 24                  mov    0x24(%edx),%eax
Code;  c014e1e9 <proc_delete_inode+39/48>
   7:   80 48 14 08               orb    $0x8,0x14(%eax)
Code;  c014e1ed <proc_delete_inode+3d/48>
   b:   52                        push   %edx
Code;  c014e1ee <proc_delete_inode+3e/48>
   c:   e8 ed fe ff ff            call   fffffefe <_EIP+0xfffffefe> c014e0e0 <de_put+0/d0>
Code;  c014e1f3 <proc_delete_inode+43/48>
  11:   83 c4 04                  add    $0x4,%esp

----------- end oops ---------------

proc/modules has:
nfsd                   71152  20 (autoclean)
lockd                  50048   1 (autoclean) [nfsd]
sunrpc                 64272   1 (autoclean) [nfsd lockd]
autofs                 11168   1 (autoclean)
st                     28016   0 (unused)
aic7xxx               110256   4       

Here is my kernel config file:
------------- begin .config ---------------------

#
# 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

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

#
# 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 is not set
CONFIG_MPENTIUMIII=y
# CONFIG_MPENTIUM4 is not set
# CONFIG_MK6 is not set
# CONFIG_MK7 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_PGE=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
# CONFIG_TOSHIBA is not set
CONFIG_MICROCODE=m
CONFIG_X86_MSR=m
CONFIG_X86_CPUID=m
# CONFIG_NOHIGHMEM is not set
CONFIG_HIGHMEM4G=y
# CONFIG_HIGHMEM64G is not set
CONFIG_HIGHMEM=y
# CONFIG_MATH_EMULATION is not set
CONFIG_MTRR=y
CONFIG_SMP=y
CONFIG_HAVE_DEC_LOCK=y

#
# General setup
#
CONFIG_NET=y
# CONFIG_VISWS is not set
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=y
# CONFIG_EISA is not set
# CONFIG_MCA is not set
# CONFIG_HOTPLUG is not set
# CONFIG_PCMCIA is not set
CONFIG_SYSVIPC=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
CONFIG_BINFMT_AOUT=m
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
# CONFIG_PM is not set
# CONFIG_ACPI is not set
# CONFIG_APM is not set

#
# 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

#
# Block devices
#
CONFIG_BLK_DEV_FD=y
# CONFIG_BLK_DEV_XD is not set
# CONFIG_PARIDE is not set
CONFIG_BLK_CPQ_DA=m
CONFIG_BLK_CPQ_CISS_DA=m
CONFIG_BLK_DEV_DAC960=m
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y

#
# 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_BLK_DEV_LVM is not set

#
# Networking options
#
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_NETLINK=y
CONFIG_RTNETLINK=y
CONFIG_NETLINK_DEV=y
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_FILTER=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_RTNETLINK=y
CONFIG_NETLINK=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_FWMARK=y
CONFIG_IP_ROUTE_NAT=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_ROUTE_LARGE_TABLES=y
# CONFIG_IP_PNP is not set
CONFIG_NET_IPIP=m
CONFIG_NET_IPGRE=m
CONFIG_NET_IPGRE_BROADCAST=y
CONFIG_IP_MROUTE=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
CONFIG_SYN_COOKIES=y

#
#   IP: Netfilter Configuration
#
CONFIG_IP_NF_CONNTRACK=m
CONFIG_IP_NF_FTP=m
CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_LIMIT=m
CONFIG_IP_NF_MATCH_MAC=m
CONFIG_IP_NF_MATCH_MARK=m
CONFIG_IP_NF_MATCH_MULTIPORT=m
CONFIG_IP_NF_MATCH_TOS=m
CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_STATE=m
CONFIG_IP_NF_MATCH_UNCLEAN=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_MIRROR=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_NAT_FTP=m
CONFIG_IP_NF_MANGLE=m
CONFIG_IP_NF_TARGET_TOS=m
CONFIG_IP_NF_TARGET_MARK=m
CONFIG_IP_NF_TARGET_LOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
CONFIG_IP_NF_COMPAT_IPCHAINS=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_COMPAT_IPFWADM=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IPV6=m

#
#   IPv6: Netfilter Configuration
#
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_LIMIT=m
CONFIG_IP6_NF_MATCH_MARK=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_MANGLE=m
CONFIG_IP6_NF_TARGET_MARK=m
CONFIG_KHTTPD=m
CONFIG_ATM=y
CONFIG_ATM_CLIP=y
# CONFIG_ATM_CLIP_NO_ICMP is not set
CONFIG_ATM_LANE=m
CONFIG_ATM_MPOA=m
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_DECNET is not set
CONFIG_BRIDGE=m
# 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

#
# ATA/IDE/MFM/RLL support
#
# CONFIG_IDE is not set
# CONFIG_BLK_DEV_IDE_MODES is not set
# CONFIG_BLK_DEV_HD is not set

#
# SCSI support
#
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_SD_EXTRA_DEVS=40
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_SR_EXTRA_DEVS=4
CONFIG_CHR_DEV_SG=m
# CONFIG_SCSI_DEBUG_QUEUES is not set
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y

#
# SCSI low-level drivers
#
CONFIG_BLK_DEV_3W_XXXX_RAID=m
CONFIG_SCSI_7000FASST=m
CONFIG_SCSI_ACARD=m
CONFIG_SCSI_AHA152X=m
CONFIG_SCSI_AHA1542=m
CONFIG_SCSI_AHA1740=m
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=253
CONFIG_AIC7XXX_RESET_DELAY_MS=15000
# CONFIG_AIC7XXX_BUILD_FIRMWARE is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
CONFIG_SCSI_ADVANSYS=m
CONFIG_SCSI_IN2000=m
CONFIG_SCSI_AM53C974=m
CONFIG_SCSI_MEGARAID=m
CONFIG_SCSI_BUSLOGIC=m
# CONFIG_SCSI_OMIT_FLASHPOINT is not set
CONFIG_SCSI_CPQFCTS=m
CONFIG_SCSI_DMX3191D=m
CONFIG_SCSI_DTC3280=m
CONFIG_SCSI_EATA=m
CONFIG_SCSI_EATA_TAGGED_QUEUE=y
# CONFIG_SCSI_EATA_LINKED_COMMANDS is not set
CONFIG_SCSI_EATA_MAX_TAGS=16
CONFIG_SCSI_EATA_DMA=m
CONFIG_SCSI_EATA_PIO=m
CONFIG_SCSI_FUTURE_DOMAIN=m
CONFIG_SCSI_GDTH=m
CONFIG_SCSI_GENERIC_NCR5380=m
# CONFIG_SCSI_GENERIC_NCR53C400 is not set
CONFIG_SCSI_G_NCR5380_PORT=y
# CONFIG_SCSI_G_NCR5380_MEM is not set
CONFIG_SCSI_IPS=m
CONFIG_SCSI_INITIO=m
CONFIG_SCSI_INIA100=m
CONFIG_SCSI_NCR53C406A=m
CONFIG_SCSI_NCR53C7xx=m
# CONFIG_SCSI_NCR53C7xx_sync is not set
CONFIG_SCSI_NCR53C7xx_FAST=y
CONFIG_SCSI_NCR53C7xx_DISCONNECT=y
CONFIG_SCSI_NCR53C8XX=m
CONFIG_SCSI_SYM53C8XX=m
CONFIG_SCSI_NCR53C8XX_DEFAULT_TAGS=8
CONFIG_SCSI_NCR53C8XX_MAX_TAGS=32
CONFIG_SCSI_NCR53C8XX_SYNC=20
CONFIG_SCSI_NCR53C8XX_PROFILE=y
# CONFIG_SCSI_NCR53C8XX_IOMAPPED is not set
# CONFIG_SCSI_NCR53C8XX_PQS_PDS is not set
# CONFIG_SCSI_NCR53C8XX_SYMBIOS_COMPAT is not set
CONFIG_SCSI_PAS16=m
CONFIG_SCSI_PCI2000=m
CONFIG_SCSI_PCI2220I=m
CONFIG_SCSI_PSI240I=m
CONFIG_SCSI_QLOGIC_FAS=m
CONFIG_SCSI_QLOGIC_ISP=m
CONFIG_SCSI_QLOGIC_FC=m
CONFIG_SCSI_QLOGIC_1280=m
CONFIG_SCSI_SEAGATE=m
CONFIG_SCSI_SIM710=m
CONFIG_SCSI_SYM53C416=m
CONFIG_SCSI_DC390T=m
# CONFIG_SCSI_DC390T_NOGENSUPP is not set
CONFIG_SCSI_T128=m
CONFIG_SCSI_U14_34F=m
# CONFIG_SCSI_U14_34F_LINKED_COMMANDS is not set
CONFIG_SCSI_U14_34F_MAX_TAGS=8
CONFIG_SCSI_ULTRASTOR=m
CONFIG_SCSI_DEBUG=m

#
# IEEE 1394 (FireWire) support
#
# 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=m
CONFIG_BONDING=m
CONFIG_EQUALIZER=m
CONFIG_TUN=m
CONFIG_ETHERTAP=m
CONFIG_NET_SB1000=m

#
# Ethernet (10 or 100Mbit)
#
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_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_TULIP is not set
# CONFIG_DE4X5 is not set
# CONFIG_DGRS is not set
# CONFIG_DM9102 is not set
CONFIG_EEPRO100=y
# CONFIG_EEPRO100_PM 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_8139TOO is not set
# CONFIG_8139TOO_PIO is not set
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 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_WINBOND_840 is not set
# CONFIG_HAPPYMEAL is not set
# CONFIG_NET_POCKET is not set

#
# Ethernet (1000 Mbit)
#
# CONFIG_ACENIC is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_SK98LIN is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI 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

#
# ATM drivers
#
# CONFIG_ATM_TCP is not set
# CONFIG_ATM_ENI is not set
CONFIG_ATM_FIRESTREAM=m
CONFIG_ATM_ZATM=m
# CONFIG_ATM_ZATM_DEBUG is not set
CONFIG_ATM_ZATM_EXACT_TS=y
CONFIG_ATM_NICSTAR=m
CONFIG_ATM_NICSTAR_USE_SUNI=y
CONFIG_ATM_NICSTAR_USE_IDT77105=y
CONFIG_ATM_AMBASSADOR=m
# CONFIG_ATM_AMBASSADOR_DEBUG is not set
CONFIG_ATM_HORIZON=m
# CONFIG_ATM_HORIZON_DEBUG is not set
CONFIG_ATM_IA=m
# CONFIG_ATM_IA_DEBUG is not set
CONFIG_ATM_FORE200E_MAYBE=m
CONFIG_ATM_FORE200E_PCA=y
CONFIG_ATM_FORE200E_PCA_DEFAULT_FW=y
CONFIG_ATM_FORE200E_TX_RETRY=16
CONFIG_ATM_FORE200E_DEBUG=0
CONFIG_ATM_FORE200E=m

#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set

#
# IrDA (infrared) 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

#
# Input core support
#
CONFIG_INPUT=m
CONFIG_INPUT_KEYBDEV=m
CONFIG_INPUT_MOUSEDEV=m
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_JOYDEV=m
CONFIG_INPUT_EVDEV=m

#
# Character devices
#
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_SERIAL_CONSOLE=y
CONFIG_SERIAL_EXTENDED=y
CONFIG_SERIAL_MANY_PORTS=y
CONFIG_SERIAL_SHARE_IRQ=y
# CONFIG_SERIAL_DETECT_IRQ is not set
CONFIG_SERIAL_MULTIPORT=y
# CONFIG_HUB6 is not set
CONFIG_SERIAL_NONSTANDARD=y
CONFIG_COMPUTONE=m
CONFIG_ROCKETPORT=m
CONFIG_CYCLADES=m
# CONFIG_CYZ_INTR is not set
CONFIG_DIGIEPCA=m
CONFIG_ESPSERIAL=m
CONFIG_MOXA_INTELLIO=m
CONFIG_MOXA_SMARTIO=m
CONFIG_ISI=m
CONFIG_SYNCLINK=m
CONFIG_N_HDLC=m
CONFIG_RISCOM8=m
CONFIG_SPECIALIX=m
CONFIG_SPECIALIX_RTSCTS=y
CONFIG_SX=m
# CONFIG_RIO is not set
CONFIG_STALDRV=y
CONFIG_STALLION=m
CONFIG_ISTALLION=m
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256

#
# I2C support
#
CONFIG_I2C=m
CONFIG_I2C_ALGOBIT=m
# CONFIG_I2C_PHILIPSPAR is not set
CONFIG_I2C_ELV=m
CONFIG_I2C_VELLEMAN=m
CONFIG_I2C_ALGOPCF=m
CONFIG_I2C_ELEKTOR=m
CONFIG_I2C_CHARDEV=m

#
# Mice
#
CONFIG_BUSMOUSE=m
CONFIG_ATIXL_BUSMOUSE=m
CONFIG_LOGIBUSMOUSE=m
CONFIG_MS_BUSMOUSE=m
CONFIG_MOUSE=y
CONFIG_PSMOUSE=y
CONFIG_82C710_MOUSE=m
CONFIG_PC110_PAD=m

#
# Joysticks
#
CONFIG_JOYSTICK=m
CONFIG_INPUT_NS558=m
CONFIG_INPUT_LIGHTNING=m
CONFIG_INPUT_PCIGAME=m
# CONFIG_INPUT_CS461X is not set
CONFIG_INPUT_ANALOG=m
CONFIG_INPUT_A3D=m
CONFIG_INPUT_ADI=m
CONFIG_INPUT_COBRA=m
CONFIG_INPUT_GF2K=m
CONFIG_INPUT_GRIP=m
CONFIG_INPUT_INTERACT=m
CONFIG_INPUT_TMDC=m
CONFIG_INPUT_SIDEWINDER=m
CONFIG_INPUT_SERPORT=m
CONFIG_INPUT_WARRIOR=m
CONFIG_INPUT_MAGELLAN=m
CONFIG_INPUT_SPACEORB=m
CONFIG_INPUT_SPACEBALL=m
# CONFIG_INPUT_STINGER is not set
CONFIG_INPUT_IFORCE_232=m
# CONFIG_INPUT_IFORCE_USB is not set
# CONFIG_QIC02_TAPE is not set

#
# Watchdog Cards
#
CONFIG_WATCHDOG=y
# CONFIG_WATCHDOG_NOWAYOUT is not set
CONFIG_SOFT_WATCHDOG=m
CONFIG_WDT=m
CONFIG_WDTPCI=m
# CONFIG_WDT_501 is not set
CONFIG_PCWATCHDOG=m
CONFIG_ACQUIRE_WDT=m
# CONFIG_ADVANTECH_WDT is not set
# CONFIG_60XX_WDT is not set
# CONFIG_MIXCOMWD is not set
CONFIG_I810_TCO=m
# CONFIG_MACHZ_WDT is not set
# CONFIG_INTEL_RNG is not set
CONFIG_NVRAM=m
CONFIG_RTC=y
CONFIG_DTLK=m
CONFIG_R3964=m
CONFIG_APPLICOM=m

#
# Ftape, the floppy tape device driver
#
CONFIG_FTAPE=m
CONFIG_ZFTAPE=m
CONFIG_ZFT_DFLT_BLK_SZ=10240
CONFIG_ZFT_COMPRESSOR=m
CONFIG_FT_NR_BUFFERS=3
# CONFIG_FT_PROC_FS is not set
CONFIG_FT_NORMAL_DEBUG=y
# CONFIG_FT_FULL_DEBUG is not set
# CONFIG_FT_NO_TRACE is not set
# CONFIG_FT_NO_TRACE_AT_ALL is not set
CONFIG_FT_STD_FDC=y
# CONFIG_FT_MACH2 is not set
# CONFIG_FT_PROBE_FC10 is not set
# CONFIG_FT_ALT_FDC is not set
CONFIG_FT_FDC_THR=8
CONFIG_FT_FDC_MAX_RATE=2000
CONFIG_FT_ALPHA_CLOCK=0
CONFIG_AGP=m
CONFIG_AGP_INTEL=y
CONFIG_AGP_I810=y
CONFIG_AGP_VIA=y
CONFIG_AGP_AMD=y
CONFIG_AGP_SIS=y
CONFIG_AGP_ALI=y
CONFIG_DRM=y
CONFIG_DRM_TDFX=m
CONFIG_DRM_GAMMA=m
CONFIG_DRM_R128=m
CONFIG_DRM_RADEON=m
CONFIG_DRM_I810=m
CONFIG_DRM_MGA=m

#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set

#
# File systems
#
# CONFIG_QUOTA is not set
CONFIG_AUTOFS_FS=m
CONFIG_AUTOFS4_FS=m
CONFIG_REISERFS_FS=m
CONFIG_REISERFS_CHECK=y
# 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_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_CRAMFS is not set
CONFIG_TMPFS=y
CONFIG_RAMFS=m
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_MINIX_FS=m
# CONFIG_VXFS_FS is not set
# CONFIG_NTFS_FS is not set
# CONFIG_NTFS_RW is not set
CONFIG_HPFS_FS=m
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=y
# CONFIG_QNX4FS_FS is not set
# CONFIG_QNX4FS_RW is not set
CONFIG_ROMFS_FS=m
CONFIG_EXT2_FS=y
CONFIG_SYSV_FS=m
# CONFIG_SYSV_FS_WRITE is not set
CONFIG_UDF_FS=m
# CONFIG_UDF_RW is not set
CONFIG_UFS_FS=m
# CONFIG_UFS_FS_WRITE is not set

#
# Network File Systems
#
CONFIG_CODA_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
# CONFIG_ROOT_NFS is not set
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
CONFIG_SUNRPC=m
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_SMB_FS=m
# CONFIG_SMB_NLS_DEFAULT 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

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

#
# Native Language Support
#
CONFIG_NLS_DEFAULT="iso8859-1"
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_1251 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 is not set
CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
# CONFIG_NLS_KOI8_U is not set
CONFIG_NLS_UTF8=m

#
# Console drivers
#
CONFIG_VGA_CONSOLE=y
CONFIG_VIDEO_SELECT=y
CONFIG_MDA_CONSOLE=m

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

#
# Sound
#
# CONFIG_SOUND is not set

#
# USB support
#
# CONFIG_USB is not set

#
# Kernel hacking
#
CONFIG_MAGIC_SYSRQ=y


^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] Re: Oops with kernel 2.4.5 on heavy disk traffic
  2001-06-10 11:09 Oops with kernel 2.4.5 on heavy disk traffic Alois Treindl
@ 2001-06-10 15:36 ` Alexander Viro
  2001-06-10 16:02   ` Alois Treindl
  0 siblings, 1 reply; 3+ messages in thread
From: Alexander Viro @ 2001-06-10 15:36 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: linux-kernel, Alois Treindl, 'Bryce'

	Please, apply. What's happing here is simple - we set i_ino by
PID and get something out of range of per-process inode. Confusion
follows... Fix: move initializing ->u.proc_i.task past the check.
Then proc_delete_inode() will be happy with it.
	Alois, Bryce - that ought to fix the oopsen you see.

--- linux/fs/proc/base.c.old	Sun Jun 10 11:15:55 2001
+++ linux/fs/proc/base.c	Sun Jun 10 11:21:51 2001
@@ -635,15 +635,14 @@
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 	inode->i_ino = fake_ino(task->pid, ino);
 
-	inode->u.proc_i.file = NULL;
+	if (!task->pid)
+		goto out_unlock;
+
 	/*
 	 * grab the reference to task.
 	 */
-	inode->u.proc_i.task = task;
 	get_task_struct(task);
-	if (!task->pid)
-		goto out_unlock;
-
+	inode->u.proc_i.task = task;
 	inode->i_uid = 0;
 	inode->i_gid = 0;
 	if (ino == PROC_PID_INO || task->dumpable) {



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] Re: Oops with kernel 2.4.5 on heavy disk traffic
  2001-06-10 15:36 ` [PATCH] " Alexander Viro
@ 2001-06-10 16:02   ` Alois Treindl
  0 siblings, 0 replies; 3+ messages in thread
From: Alois Treindl @ 2001-06-10 16:02 UTC (permalink / raw)
  To: Alexander Viro; +Cc: linux-kernel

On Sun, 10 Jun 2001, Alexander Viro wrote:

> 	Please, apply. What's happing here is simple - we set i_ino by
> PID and get something out of range of per-process inode. Confusion
> follows... Fix: move initializing ->u.proc_i.task past the check.
> Then proc_delete_inode() will be happy with it.
> 	Alois, Bryce - that ought to fix the oopsen you see.

Alexander

do I read this right: this is not a very critical bug?
In my case, it was 'top' which crashed twice (I was unable to reproduce
this while trying hard in the last 4 hours, after the original two cases). 

Are any processes which are not - like top or ps - trying to read
the /proc file system likely to be affected by the bug?

I am a bit worried about applying 'unauthorized' kernel paches to my
server. This has created problems for me in the past.

So, it the bug is non critical, I would rather accept the occasional
crash of 'top' or 'ps' than playing around with kernel code.

Please, comment.
 
Alois


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2001-06-10 16:03 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2001-06-10 11:09 Oops with kernel 2.4.5 on heavy disk traffic Alois Treindl
2001-06-10 15:36 ` [PATCH] " Alexander Viro
2001-06-10 16:02   ` Alois Treindl

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