From owner-freebsd-stable Wed Sep 20 12:37:18 2000 Delivered-To: freebsd-stable@freebsd.org Received: from gvr.gvr.org (gvr.gvr.org [194.151.74.97]) by hub.freebsd.org (Postfix) with ESMTP id C2B6737B423 for ; Wed, 20 Sep 2000 12:37:04 -0700 (PDT) Received: by gvr.gvr.org (Postfix, from userid 657) id C79EA5800; Wed, 20 Sep 2000 18:02:38 +0200 (CEST) Date: Wed, 20 Sep 2000 18:02:38 +0200 From: Guido van Rooij To: stable@freebsd.org Subject: tcp performance problems Message-ID: <20000920180238.A419@gvr.gvr.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary=qMm9M+Fa2AknHoGS X-Mailer: Mutt 0.95.6i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --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 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: on motherboard npx0: INT 16 interface pcib0: on motherboard pci0: on pcib0 pcib1: at device 1.0 on pci0 pci1: on pcib1 isab0: at device 7.0 on pci0 isa0: on isab0 atapci0: port 0xf000-0xf00f at device 7.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 pci0: at 7.2 irq 11 chip1: port 0x5000-0x500f at device 7.3 on pci0 rl0: port 0xe400-0xe4ff mem 0xe6000000-0xe60000ff irq 11 at device 9.0 on pci0 rl0: Ethernet address: 00:90:05:af:01:59 miibus0: on rl0 rlphy0: on miibus0 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto pci0: 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: 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: at port 0x60,0x64 on isa0 atkbd0: flags 0x1 irq 1 on atkbdc0 kbd0 at atkbd0 vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 sc0: 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: at port 0x378-0x37f irq 7 on isa0 ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode plip0: on ppbus0 lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 ad0: 9770MB [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: 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: 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