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Subject3c595 vortex problems under high network loads

My networking locks up under high network load (always) on my
machine. It does this with 2.0.33-SMP and 2.1.89-SMP. It
takes a bit longer under 2.1.89 though. To attain the kind
of network traffic that causes the lockup I'm usually ftping
a large file from a nearby machine (10 bit network ~660k/sec
transfer rate). The lockup has occured anywhere from 39M - 400M
into the ftp.

Nothing is logged via syslog (that I can see in the files),
but on stdout I get:

eth0: Transmit error, Tx status register 90.

ifconfiging the network down then up again seems to return the
networking to normal.

a couple of week ago I tried downloading the latest 3c59x.c file
and compiling it with 2.0.33 smp, but the problem remained.

mymachine:
dual ppro
3c595 vortex
redhat-5
stock 2.1.89 kernel

kernel config for 2.1.89:
CONFIG_M686=y
CONFIG_NET=y
CONFIG_PCI=y
CONFIG_PCI_BIOS=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_OLD_PROC=y
CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_BINFMT_AOUT=y
CONFIG_BINFMT_ELF=y
CONFIG_BLK_DEV_FD=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_CMD640=y
CONFIG_BLK_DEV_RZ1000=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_PARIDE_PARPORT=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_NOSR=y
CONFIG_SKB_LARGE=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_AIC7XXX=y
CONFIG_AIC7XXX_TAGGED_QUEUEING=y
CONFIG_OVERRIDE_CMDS=y
CONFIG_AIC7XXX_CMDS_PER_LUN=8
CONFIG_AIC7XXX_PAGE_ENABLE=y
CONFIG_AIC7XXX_PROC_STATS=y
CONFIG_AIC7XXX_RESET_DELAY=15
CONFIG_SCSI_BUSLOGIC=y
CONFIG_NETDEVICES=y
CONFIG_DUMMY=y
CONFIG_NET_ETHERNET=y
CONFIG_NET_VENDOR_3COM=y
CONFIG_EL3=y
CONFIG_VORTEX=y
CONFIG_NET_VENDOR_SMC=y
CONFIG_WD80x3=y
CONFIG_ULTRA=y
CONFIG_NET_EISA=y
CONFIG_PPP=y
CONFIG_CDROM=y
CONFIG_EXT2_FS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_PROC_FS=y
CONFIG_NFS_FS=y
CONFIG_NFSD=y
CONFIG_SUNRPC=y
CONFIG_LOCKD=y
CONFIG_NLS=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_SERIAL=y
CONFIG_MOUSE=y
CONFIG_PSMOUSE=y
CONFIG_SOUND=y
CONFIG_SB=y
CONFIG_SB_BASE=220
CONFIG_SB_IRQ=5
CONFIG_SB_DMA=1
CONFIG_SB_DMA2=5
CONFIG_SB_MPU_BASE=330
CONFIG_SB_MPU_IRQ=-1
CONFIG_VGA_CONSOLE=y



C.J. Beyer
cj@styx.phy.vanderbilt.edu
http://styx.phy.vanderbilt.edu/~cj/


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