Re: Linux box causing network meltdown! HELP!!!

Harvey J. Stein (hjstein@bfr.co.il)
21 Jul 1999 00:44:18 +0300


Dominik Kubla <dominik.kubla@uni-mainz.de> writes:

> On Tue, Jul 20, 1999 at 04:08:50PM +0300, Harvey J. Stein wrote:
> > Dominik Kubla <dominik.kubla@uni-mainz.de> writes:
> ...
> > >
> > > Are you by chance using IPX? If so, disable the autoconfiguration of
> > > the encapsulation. For some reason Linux' 802.x-IPX and Spanning-Tree
> > > don't like each other! If you need to use IPX in a switched enviroment,
> ...
> >
> > In the test kernel I built I turned off IPX in addition to turning off
> > multicast. These packets still went out.
>
> How about bridging? Any routing daemon running? Any unusual networking
> daemons running?

Nope. I got rid of support for everything except basic TCP/IP
support. Nothing special in the server department. Here's the output
of ps -auxwwww:

hjstein@randy:~$ cat ps.log
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.3 1096 476 ? S 14:11 0:04 init
root 2 0.0 0.0 0 0 ? SW 14:11 0:00 [kflushd]
root 3 0.0 0.0 0 0 ? SW 14:11 0:00 [kpiod]
root 4 0.0 0.0 0 0 ? SW 14:11 0:00 [kswapd]
bin 236 0.0 0.2 1088 376 ? S 14:12 0:00 portmap
root 283 0.0 0.4 1264 592 ? S 14:12 0:00 syslogd -m 0
root 294 0.0 0.5 1316 684 ? S 14:12 0:00 klogd
daemon 308 0.0 0.3 1112 472 ? S 14:12 0:00 /usr/sbin/atd
root 322 0.0 0.4 1284 592 ? S 14:12 0:00 crond
root 340 0.0 0.4 1236 556 ? S 14:12 0:00 inetd
root 347 0.0 0.5 1660 688 ? S 14:12 0:00 /usr/sbin/sshd
root 361 0.0 0.4 1284 560 ? S 14:12 0:00 lpd
root 379 0.0 0.4 1128 528 ? S 14:12 0:00 rpc.statd
root 390 0.0 0.2 1072 376 ? S 14:12 0:00 rpc.rquotad
root 401 0.0 0.3 1132 456 ? S 14:12 0:00 rpc.mountd
root 446 0.0 0.8 1884 1100 ? S 14:12 0:00 sendmail: accepting connections on port 25
root 461 0.0 0.3 1112 424 ? S 14:12 0:00 gpm -t ps/2
xfs 481 0.0 0.8 2080 1052 ? S 14:12 0:00 xfs
root 518 0.0 0.8 2156 1096 tty1 S 14:12 0:00 login -- hjstein
root 519 0.0 0.2 1060 384 tty2 S 14:12 0:00 /sbin/mingetty tty2
root 520 0.0 0.2 1060 384 tty3 S 14:12 0:00 /sbin/mingetty tty3
root 521 0.0 0.2 1060 384 tty4 S 14:12 0:00 /sbin/mingetty tty4
root 522 0.0 0.2 1060 384 tty5 S 14:12 0:00 /sbin/mingetty tty5
root 523 0.0 0.2 1060 384 tty6 S 14:12 0:00 /sbin/mingetty tty6
root 525 0.0 0.2 1052 280 ? S 14:12 0:00 update (bdflush)
hjstein 575 0.0 0.7 1748 988 tty1 S 17:35 0:00 -bash
hjstein 588 0.0 0.7 2596 912 tty1 R 17:36 0:00 ps -auxwwww

FYI, here's the .config I used:

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

#
# Code maturity level options
#
# CONFIG_EXPERIMENTAL 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_M686=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_TSC=y
CONFIG_X86_GOOD_APIC=y
# CONFIG_MATH_EMULATION is not set
CONFIG_MTRR=y
# 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_OLD_PROC=y
# 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_PARPORT=m
CONFIG_PARPORT_PC=m
# CONFIG_PARPORT_OTHER is not set
# CONFIG_APM is not set

#
# Plug and Play support
#
CONFIG_PNP=y
CONFIG_PNP_PARPORT=m

#
# Block devices
#
CONFIG_BLK_DEV_FD=y
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=y
CONFIG_BLK_DEV_IDETAPE=m
CONFIG_BLK_DEV_IDEFLOPPY=m
CONFIG_BLK_DEV_IDESCSI=m
CONFIG_BLK_DEV_CMD640=y
# CONFIG_BLK_DEV_CMD640_ENHANCED is not set
CONFIG_BLK_DEV_RZ1000=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_IDEDMA_AUTO 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=y
CONFIG_BLK_DEV_INITRD=y
# CONFIG_BLK_DEV_XD is not set
# CONFIG_BLK_DEV_DAC960 is not set
CONFIG_BLK_CPQ_DA=m
CONFIG_BLK_CPQ_DA_PCI=y
CONFIG_BLK_CPQ_DA_EISA=y
CONFIG_PARIDE_PARPORT=m
CONFIG_PARIDE=m

#
# Parallel IDE high-level drivers
#
CONFIG_PARIDE_PD=m
CONFIG_PARIDE_PCD=m
CONFIG_PARIDE_PF=m
CONFIG_PARIDE_PT=m
CONFIG_PARIDE_PG=m

#
# Parallel IDE protocol modules
#
CONFIG_PARIDE_ATEN=m
CONFIG_PARIDE_BPCK=m
CONFIG_PARIDE_COMM=m
CONFIG_PARIDE_DSTR=m
CONFIG_PARIDE_FIT2=m
CONFIG_PARIDE_FIT3=m
CONFIG_PARIDE_EPAT=m
CONFIG_PARIDE_EPIA=m
CONFIG_PARIDE_FRIQ=m
CONFIG_PARIDE_FRPW=m
CONFIG_PARIDE_KBIC=m
CONFIG_PARIDE_KTTI=m
CONFIG_PARIDE_ON20=m
CONFIG_PARIDE_ON26=m
# CONFIG_BLK_DEV_HD is not set

#
# Networking options
#
CONFIG_PACKET=y
CONFIG_NETLINK=y
CONFIG_RTNETLINK=y
CONFIG_NETLINK_DEV=y
# CONFIG_FIREWALL is not set
# CONFIG_FILTER is not set
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
# CONFIG_IP_ROUTER is not set
# CONFIG_NET_IPIP is not set
# 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=m
CONFIG_SKB_LARGE=y

#
#
#
# CONFIG_IPX is not set
# CONFIG_ATALK is not set

#
# SCSI support
#
# CONFIG_SCSI 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=y
CONFIG_EL1=m
CONFIG_EL2=m
CONFIG_ELPLUS=m
CONFIG_EL3=m
CONFIG_3C515=m
CONFIG_VORTEX=m
CONFIG_LANCE=m
# CONFIG_NET_VENDOR_SMC is not set
# CONFIG_NET_VENDOR_RACAL is not set
# CONFIG_NET_ISA is not set
CONFIG_NET_EISA=y
CONFIG_PCNET32=m
CONFIG_APRICOT=m
CONFIG_CS89x0=m
CONFIG_DE4X5=m
CONFIG_DEC_ELCP=m
CONFIG_DGRS=m
CONFIG_EEXPRESS_PRO100=m
CONFIG_NE2K_PCI=m
CONFIG_TLAN=m
CONFIG_VIA_RHINE=m
# CONFIG_NET_POCKET is not set
# CONFIG_FDDI 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=y
# CONFIG_STRIP is not set
# CONFIG_WAVELAN is not set
# CONFIG_TR is not set
# CONFIG_HOSTESS_SV11 is not set
# CONFIG_COSA is not set
# CONFIG_RCPCI is not set
# CONFIG_WAN_DRIVERS is not set
# CONFIG_LAPBETHER is not set
# CONFIG_X25_ASY is not set

#
# Amateur Radio support
#
# CONFIG_HAMRADIO 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 is not set
# CONFIG_SERIAL_NONSTANDARD is not set
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
# CONFIG_PRINTER is not set
CONFIG_MOUSE=y

#
# Mice
#
CONFIG_ATIXL_BUSMOUSE=m
CONFIG_BUSMOUSE=m
CONFIG_MS_BUSMOUSE=m
CONFIG_PSMOUSE=y
CONFIG_82C710_MOUSE=m
CONFIG_PC110_PAD=m
# CONFIG_QIC02_TAPE is not set
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set

#
# 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_AFFS_FS=m
CONFIG_HFS_FS=m
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=m
CONFIG_HPFS_FS=m
CONFIG_PROC_FS=y
CONFIG_DEVPTS_FS=y
CONFIG_ROMFS_FS=m
CONFIG_EXT2_FS=y
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
# CONFIG_UFS_FS_WRITE is not set

#
# Network File Systems
#
CONFIG_CODA_FS=m
CONFIG_NFS_FS=m
CONFIG_NFSD_SUN=y
CONFIG_SUNRPC=m
CONFIG_LOCKD=m
CONFIG_SMB_FS=m
CONFIG_SMB_WIN95=y
CONFIG_NCP_FS=m
CONFIG_NCPFS_PACKET_SIGNING=y
CONFIG_NCPFS_IOCTL_LOCKING=y
CONFIG_NCPFS_STRONG=y
CONFIG_NCPFS_NFS_NS=y
CONFIG_NCPFS_OS2_NS=y
CONFIG_NCPFS_MOUNT_SUBDIR=y

#
# 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_AMIGA_PARTITION=y
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=y

#
# Sound
#
CONFIG_SOUND=m
CONFIG_SOUND_ES1370=m
CONFIG_SOUND_ES1371=m
CONFIG_SOUND_SONICVIBES=m
CONFIG_SOUND_MSNDCLAS=m
# CONFIG_MSNDCLAS_HAVE_BOOT is not set
CONFIG_MSNDCLAS_INIT_FILE="/etc/sound/msndinit.bin"
CONFIG_MSNDCLAS_PERM_FILE="/etc/sound/msndperm.bin"
CONFIG_SOUND_MSNDPIN=m
# CONFIG_MSNDPIN_HAVE_BOOT is not set
CONFIG_MSNDPIN_INIT_FILE="/etc/sound/pndspini.bin"
CONFIG_MSNDPIN_PERM_FILE="/etc/sound/pndsperm.bin"
CONFIG_SOUND_OSS=m
CONFIG_SOUND_PAS=m
CONFIG_SOUND_SB=m
CONFIG_SOUND_ADLIB=m
CONFIG_SOUND_GUS=m
CONFIG_GUS16=y
CONFIG_GUSMAX=y
CONFIG_SOUND_MPU401=m
CONFIG_SOUND_PSS=m
# CONFIG_PSS_MIXER is not set
CONFIG_SOUND_MSS=m
CONFIG_SOUND_SSCAPE=m
CONFIG_SOUND_TRIX=m
CONFIG_SOUND_MAD16=m
CONFIG_MAD16_OLDCARD=y
CONFIG_SOUND_WAVEFRONT=m
CONFIG_SOUND_CS4232=m
CONFIG_SOUND_OPL3SA2=m
CONFIG_SOUND_MAUI=m
CONFIG_SOUND_SGALAXY=m
CONFIG_SOUND_OPL3SA1=m
CONFIG_SOUND_SOFTOSS=m
CONFIG_SOUND_YM3812=m
CONFIG_SOUND_VMIDI=m
CONFIG_SOUND_UART6850=m

#
# Additional low level sound drivers
#
CONFIG_LOWLEVEL_SOUND=y
CONFIG_ACI_MIXER=m
CONFIG_AWE32_SYNTH=m
CONFIG_AEDSP16=m
CONFIG_AEDSP16_BASE=220
CONFIG_MPU_BASE=330

#
# SC-6600 Audio Cards have no jumper switches at all
#
CONFIG_SC6600=y

#
# SC-6600 specific configuration
#
CONFIG_SC6600_JOY=y
CONFIG_SC6600_CDROM=4
CONFIG_SC6600_CDROMBASE=0
CONFIG_AEDSP16_SBPRO=y

#
# Audio Excel DSP 16 [Sound Blaster Pro]
#
CONFIG_AEDSP16_BASE=220
CONFIG_AEDSP16_SB_IRQ=5
CONFIG_AEDSP16_SB_DMA=0
CONFIG_AEDSP16_MPU401=y

#
# Audio Excel DSP 16 [MPU-401]
#
CONFIG_AEDSP16_MPU_IRQ=5

#
# Kernel hacking
#
CONFIG_MAGIC_SYSRQ=y

-- 
Harvey J. Stein
Bloomberg LP
hjstein@bfr.co.il

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/