Date: Wed, 20 Sep 2000 18:02:38 +0200 From: Guido van Rooij <guido@gvr.org> To: stable@freebsd.org Subject: tcp performance problems Message-ID: <20000920180238.A419@gvr.gvr.org>
next in thread | raw e-mail | index | archive | help
--qMm9M+Fa2AknHoGS
Content-Type: text/plain; charset=us-ascii
I am noticing tcp poblems on a recent (2 days ago) stable system.
The performance problem seems tcp only. Has anyone seen similar problems?
This is on a system that was cently upgraded from 3.4-stablish to 4.1-stable.
Attached some info about this system
--qMm9M+Fa2AknHoGS
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename=GVR
machine i386
cpu I686_CPU
ident GVR
maxusers 128
#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options INET #InterNETworking
options INET6 #IPv6 communications protocols
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep this!]
options SOFTUPDATES #Enable FFS soft updates support
options MFS #Memory Filesystem
options NFS #Network Filesystem
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
#options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options P1003_1B #Posix P1003_1B real-time extensions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM #Rate limit bad replies
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
device isa
device pci
# Floppy drives
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
# ATA and ATAPI devices
device ata0 at isa? port IO_WD1 irq 14
device ata
device atadisk # ATA disk drives
options ATA_STATIC_ID #Static device numbering
#options ATA_ENABLE_ATAPI_DMA #Enable DMA on ATAPI devices
# SCSI Controllers
device sym # NCR/Symbios Logic (newer chipsets)
# SCSI peripherals
device scbus0 # SCSI bus (required)
device scbus # SCSI bus (required)
device da0 # Direct Access (disks)
device da1 at scbus0 target 4 unit 0
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1 flags 0x1
device psm0 at atkbdc? irq 12
device vga0 at isa?
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? flags 0x100
# Floating point support - do not disable.
device npx0 at nexus? port IO_NPX irq 13
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
# Parallel port
device ppc0 at isa? irq 7
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
device miibus # MII bus support
device rl # RealTek 8129/8139
# Pseudo devices - the number indicates how many units to allocated.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
pseudo-device md # Memory "disks"
pseudo-device gif 4 # IPv6 and IPv4 tunneling
pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf #Berkeley packet filter
--qMm9M+Fa2AknHoGS
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="dmesg.boot"
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.1-STABLE #1: Wed Sep 20 17:45:54 CEST 2000
guido@gvr.gvr.org:/scratch/obj/scratch/src/sys/GVR
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 366681943 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (366.68-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x665 Stepping = 5
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 67108864 (65536K bytes)
avail memory = 62128128 (60672K bytes)
Preloaded elf kernel "kernel" at 0xc030e000.
Pentium Pro MTRR support enabled
md0: Malloc disk
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xf000-0xf00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2 irq 11
chip1: <Intel 82371AB Power management controller> port 0x5000-0x500f at device 7.3 on pci0
rl0: <RealTek 8139 10/100BaseTX> port 0xe400-0xe4ff mem 0xe6000000-0xe60000ff irq 11 at device 9.0 on pci0
rl0: Ethernet address: 00:90:05:af:01:59
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pci0: <Chips & Technologies 65555 SVGA controller> at 10.0
sym0: <810a> port 0xe800-0xe8ff mem 0xe6001000-0xe60010ff irq 10 at device 20.0 on pci0
sym0: No NVRAM, ID 7, Fast-10, SE, parity checking
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ad0: 9770MB <Maxtor 91021U2> [19852/16/63] at ata0-master using UDMA33
Waiting 2 seconds for SCSI devices to settle
(probe4:sym0:0:4:0): phase change 6-7 6@03ec3d8c resid=4.
sa0 at sym0 bus 0 target 0 lun 0
sa0: <ARCHIVE Python 28454-XXX 4.BL> Removable Sequential Access SCSI-2 device
sa0: 5.000MB/s transfers (5.000MHz, offset 8)
Mounting root from ufs:/dev/ad0s1a
da1 at sym0 bus 0 target 4 lun 0
da1: <IOMEGA ZIP 100 E.03> Removable Direct Access SCSI-2 device
da1: 3.300MB/s transfers
da1: Attempt to query device size failed: NOT READY, Medium not present
--qMm9M+Fa2AknHoGS--
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000920180238.A419>