network slowness/freez-up since update 10/11
Robert Watson
rwatson at freebsd.org
Wed Oct 13 13:29:02 PDT 2004
On Wed, 13 Oct 2004, Robert Huff wrote:
> I updated my system on Sunday. Since then there have been
> network problems: first the network is slow (even within a few
> minutes after booting) and eventually (12-18 hours later) the
> network - but not the rest of the system - just locks up (can't ping
> outside own machine). Rebooting fixes things ... temporarily.
> (Dmesg and config file are appended.)
> I've seen this before - I think I've _had_ this before - but
> can't find it in the mailing-list archives.
> Further symptoms:
There appears to bea problem with if_de cards and Giant-free operation.
I'm working with John Baldwin to try and diagnose it. Could you try
putting debug.mpsafenet=0 in /boot/loader.conf and reboot to confirm that
this is what's going on?
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org Principal Research Scientist, McAfee Research
>
> huff@> netstat -rn
>
> Internet:
> Destination Gateway Flags Refs Use Netif Expire
> default 209.6.197.1 UGS 0 84429 de0
> 10 link#2 UC 0 0 de1
> 10.0.0.1 00:c0:95:f8:09:c1 UHLW 0 34483 lo0
> 10.0.0.2 00:20:78:b0:49:2f UHLW 0 1179 de1 974
> 10.255.255.255 ff:ff:ff:ff:ff:ff UHLWb 0 194 de1
> 127.0.0.1 127.0.0.1 UH 1 7843 lo0
> 209.6.197 link#1 UC 0 0 de0
> 209.6.197.1 link#1 UHLW 1 189 de0
> 209.6.197.67 127.0.0.1 UGHS 0 9 lo0
> 209.6.197.255 ff:ff:ff:ff:ff:ff UHLWb 0 288 de0
>
> 209.6.197.1 is the "other side" of my cable modem.
> Normally, the ping looks something like:
>
> huff@>> ping 209.6.197.67
> PING 209.6.197.67 (209.6.197.67): 56 data bytes
> 64 bytes from 209.6.197.67: icmp_seq=0 ttl=64 time=0.086 ms
> 64 bytes from 209.6.197.67: icmp_seq=1 ttl=64 time=0.084 ms
> 64 bytes from 209.6.197.67: icmp_seq=2 ttl=64 time=0.111 ms
>
> huff@>> ping 209.6.197.1
> PING 209.6.197.1 (209.6.197.1): 56 data bytes
> 64 bytes from 209.6.197.1: icmp_seq=0 ttl=255 time=1556.512 ms
> 64 bytes from 209.6.197.1: icmp_seq=1 ttl=255 time=1067.135 ms
> 64 bytes from 209.6.197.1: icmp_seq=2 ttl=255 time=2026.246 ms
>
> But when things slow down:
>
> huff@> ping 209.6.197.1
> PING 209.6.197.1 (209.6.197.1): 56 data bytes
> 64 bytes from 209.6.197.1: icmp_seq=0 ttl=255 time=23030.490 ms
> 64 bytes from 209.6.197.1: icmp_seq=1 ttl=255 time=23238.238 ms
> 64 bytes from 209.6.197.1: icmp_seq=2 ttl=255 time=23139.243 ms
> 64 bytes from 209.6.197.1: icmp_seq=3 ttl=255 time=23236.930 ms
>
> And eventually:
>
> huff@> ping 209.6.197.1
> PING 209.6.197.1 (209.6.197.1): 56 data bytes
> ping: sendto: No buffer space available
> ping: sendto: No buffer space available
> ping: sendto: No buffer space available
>
> However:
>
> huff@>netstat -m
> 265 mbufs in use
> 104/17088 mbuf clusters in use (current/max)
> 0/4/4528 sfbufs in use (current/peak/max)
> 274 KBytes allocated to network
> 0 requests for sfbufs denied
> 0 requests for sfbufs delayed
> 0 requests for I/O initiated by sendfile
> 173 calls to protocol drain routines
>
> I'm not familiar with buffer usage, but that doesn't look out
> of line for a lightly loaded system.
>
>
> Robert Huff
>
>
>
>
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD 6.0-CURRENT #0: Mon Oct 11 18:23:23 EDT 2004
> huff at jerusalem.litteratus.org:/usr/obj/usr/src/sys/JERUSALEM
> WARNING: WITNESS option enabled, expect reduced performance.
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) 4 CPU 2.26GHz (2266.76-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf24 Stepping = 4
> Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
> real memory = 536854528 (511 MB)
> avail memory = 515690496 (491 MB)
> npx0: [FAST]
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> acpi0: <ASUS P4S533> on motherboard
> acpi0: Power Button (fixed)
> Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0
> cpu0: <ACPI CPU> on acpi0
> acpi_button0: <Power Button> on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> agp0: <SiS 645DX host to AGP bridge> mem 0xf4000000-0xf7ffffff at device 0.0 on pci0
> pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> drm0: <Matrox G400/G450 (AGP)> mem 0xf3000000-0xf37fffff,0xf3800000-0xf3803fff,0xfc000000-0xfdffffff irq 11 at device 0.0 on pci1
> info: [drm] AGP at 0xf4000000 64MB
> info: [drm] Initialized mga 3.1.0 20021029 on minor 0
> isab0: <PCI-ISA bridge> at device 2.0 on pci0
> isa0: <ISA bus> on isab0
> ohci0: <SiS 5571 USB controller> mem 0xf2800000-0xf2800fff irq 14 at device 2.2 on pci0
> ohci0: [GIANT-LOCKED]
> usb0: OHCI version 1.0, legacy support
> usb0: SMM does not respond, resetting
> usb0: <SiS 5571 USB controller> on ohci0
> usb0: USB revision 1.0
> uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub0: 3 ports with 3 removable, self powered
> uhub1: Texas Instruments TUSB2046 hub, class 9/0, rev 1.10/1.25, addr 2
> uhub1: 4 ports with 4 removable, bus powered
> ums0: Microsoft Microsoft IntelliMouse\M-. Explorer, rev 1.10/1.14, addr 3, iclass 3/1
> ums0: 5 buttons and Z dir.
> ukbd0: Logitech Logitech USB Keyboard, rev 1.10/15.00, addr 4, iclass 3/1
> kbd0 at ukbd0
> ugen0: American Power Conversion Back-UPS RS 1500 FW:8.g8 .D USB FW:g8, rev 1.10/1.06, addr 5
> ohci1: <SiS 5571 USB controller> mem 0xf2000000-0xf2000fff irq 5 at device 2.3 on pci0
> ohci1: [GIANT-LOCKED]
> usb1: OHCI version 1.0, legacy support
> usb1: SMM does not respond, resetting
> usb1: <SiS 5571 USB controller> on ohci1
> usb1: USB revision 1.0
> uhub2: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub2: 3 ports with 3 removable, self powered
> pci0: <mass storage, ATA> at device 2.5 (no driver attached)
> pcm0: <CMedia CMI8738> port 0xa800-0xa8ff at device 5.0 on pci0
> ahc0: <Adaptec 2940 Ultra2 SCSI adapter> port 0xa400-0xa4ff mem 0xf1000000-0xf1000fff irq 10 at device 9.0 on pci0
> ahc0: [GIANT-LOCKED]
> aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs
> de0: <Digital 21140 Fast Ethernet> port 0xa000-0xa07f mem 0xf0800000-0xf080007f at device 11.0 on pci0
> de0: [GIANT-LOCKED]
> de0: ZNYX ZX34X 21140 [10-100Mb/s] pass 1.1
> de0: Ethernet address: 00:c0:95:f8:17:af
> de0: if_start running deferred for Giant
> de1: <Digital 21140 Fast Ethernet> port 0x9800-0x987f mem 0xf0000000-0xf000007f at device 12.0 on pci0
> de1: [GIANT-LOCKED]
> de1: ZNYX ZX34X 21140 [10-100Mb/s] pass 1.2
> de1: Ethernet address: 00:c0:95:f8:09:c1
> de1: if_start running deferred for Giant
> fdc0: <floppy drive controller> port 0x3f7,0x3f2-0x3f5 irq 6 drq 2 on acpi0
> fdc0: [FAST]
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0
> ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
> ppc0: FIFO with 16/16/16 bytes threshold
> ppbus0: <Parallel port bus> on ppc0
> plip0: <PLIP network interface> on ppbus0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ppi0: <Parallel I/O> on ppbus0
> sio0 port 0x3f8-0x3ff irq 4 on acpi0
> sio0: type 16550A
> sio1 port 0x2f8-0x2ff irq 3 on acpi0
> sio1: type 16550A
> orm0: <ISA Option ROMs> at iomem 0xcc000-0xd17ff,0xc8000-0xcbfff,0xc0000-0xc7fff on isa0
> sc0: <System console> on isa0
> sc0: VGA <16 virtual consoles, flags=0x200>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> Timecounter "TSC" frequency 2266758464 Hz quality 800
> Timecounters tick every 10.000 msec
> IPv6 packet filtering initialized, default to accept, logging limited to 100 packets/entry
> ipfw2 initialized, divert enabled, rule-based forwarding disabled, default to deny, logging limited to 100 packets/entry by default
> witness_get: witness exhausted
> acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
> de0: enabling 100baseTX port
> de1: enabling 100baseTX port
> de0: link down: cable problem?
> sa0 at ahc0 bus 0 target 2 lun 0
> sa0: <DEC DLT2000 15/30 GB 840B> Removable Sequential Access SCSI-2 device
> sa0: 5.000MB/s transfers (5.000MHz, offset 15)
> cd0 at ahc0 bus 0 target 3 lun 0
> cd0: <TOSHIBA DVD-ROM SD-M1711 1005> Removable CD-ROM SCSI-2 device
> cd0: 10.000MB/s transfers (10.000MHz, offset 16)
> cd0: Attempt to query device size failed: NOT READY, Medium not present
> da1 at ahc0 bus 0 target 4 lun 0
> da1: <SEAGATE SX150176LC BA11> Fixed Direct Access SCSI-2 device
> da1: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing Enabled
> da1: 47702MB (97693755 512 byte sectors: 255H 63S/T 6081C)
> da0 at ahc0 bus 0 target 0 lun 0
> da0: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device
> da0: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing Enabled
> da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
> Mounting root from ufs:/dev/da0s1a
> de0: link down: cable problem?
> de0: link down: cable problem?
> de0: enabling 10baseT port
> de1: enabling 100baseTX port
>
>
> #
> # JERUSALEM
> #
> # For more information read the handbook part System Administration ->
> # Configuring the FreeBSD Kernel -> The Configuration File.
> # The handbook is available in /usr/share/doc/handbook or online as
> # latest version from the FreeBSD World Wide Web server
> # <URL:http://www.FreeBSD.ORG/>
> #
> # An exhaustive list of options and more detailed explanations of the
> # device lines is present in the ./LINT configuration file. If you are
> # in doubt as to the purpose or necessity of a line, check first in LINT.
> #
> # $Id: GENERIC,v 1.125 1998/10/16 01:30:11 obrien Exp $
>
> machine i386
> #cpu "I386_CPU"
> #cpu "I486_CPU"
> #cpu "I586_CPU"
> cpu I686_CPU
> ident JERUSALEM
> maxusers 0
> options CPU_ENABLE_SSE
>
> #options MATH_EMULATE #Support for x87 emulation
>
> options SCHED_ULE
>
> options INET #InterNETworking
> options INET6 #IPv6 communications protocols
>
> options MAXDSIZ="(1024*1024*1024)"
> options MAXSSIZ="(256*1024*1024)"
>
> #options IPX
> #options NCP #NetWare Core protocol
>
> options FFS #Berkeley Fast Filesystem
> options MSDOSFS #MSDOS Filesystem
> options CD9660 #ISO 9660 Filesystem
> #options NWFS #NetWare filesystem
>
> options SOFTUPDATES #Enable FFS soft updates support
> options UFS_ACL #Support for access control lists
> options UFS_DIRHASH #Improve performance on big directories
> options SCSI_DELAY=100 #Be pessimistic about Joe SCSI
> # note: value is in milliseconds
> #options SAFETY
>
> # Debugging for use in -current
> options KDB # Enable kernel debugger support.
> options DDB #Enable the kernel debugger
> makeoptions DEBUG=-g
> options INVARIANTS #Enable calls of extra sanity checking
> options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS
> options WITNESS #Enable checks to detect deadlocks and cycles
> #options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
>
> options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
> options COMPAT_FREEBSD4 #Compatible with FreeBSD4
> options SYSVSHM #SYSV-style shared memory
> options SYSVMSG #SYSV-style message queues
> options SYSVSEM #SYSV-style semaphores
>
> options COMPAT_AOUT
>
> # see java/62837
>
> #options COMPAT_LINUX
>
> #options LINPROCFS
> options PROCFS
> options PSEUDOFS
>
>
> # For StarOffice
>
> #options P1003_1B
> #options _KPOSIX_PRIORITY_SCHEDULING
> #options _KPOSIX_VERSION=199309L
>
> #options MD5
>
> # For Mars-nwe NetWare server
>
> #options IPX
>
>
> # for WINE
>
> #options USER_LDT #allow user-level control of i386 ldt
>
> #
> #
>
> #config kernel root on da0
> device isa
> device eisa
> device pci
>
> #device fdc0 at isa? port IO_FD1 irq 6 drq 2c
> device fdc
>
> #device fd at fdc drive 0
> #disk fd1 at fdc drive 1
>
> # Unless you know very well what you're doing, leave ft0 at drive 2, or
> # remove the line entirely if you don't need it. Trying to configure
> # it on another unit might cause surprises, see PR kern/7176.
> #tape ft0 at fdc0 drive 2
>
> #options "CMD640" # work around CMD640 chip deficiency
> #controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
> #disk wd0 at wdc0 drive 0
> #disk wd1 at wdc0 drive 1
>
> #controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
> #disk wd2 at wdc1 drive 0
> #disk wd3 at wdc1 drive 1
>
> #options ATAPI #Enable ATAPI support for IDE bus
> #options ATAPI_STATIC #Don't do it as an LKM
> #device wcd0 #IDE CD-ROM
> #device wfd0 #IDE Floppy (e.g. LS-120)
>
> # A single entry for any of these controllers (ncr, ahb, ahc, amd) is
> # sufficient for any number of installed devices.
> #controller ncr0
> #controller amd0
> #controller ahb0
> device ahc
> #controller isp0
>
> # This controller offers a number of configuration options, too many to
> # document here - see the LINT file in this directory and look up the
> # dpt0 entry there for much fuller documentation on this.
> #controller dpt0
>
> #controller adv0 at isa? port ? cam irq ?
> #controller adw0
> #controller bt0 at isa? port ? cam irq ?
> #controller aha0 at isa? port ? cam irq ?
> #controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr
> #controller aic0 at isa? port 0x340 bio irq 11 vector aicintr
> #controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr
> #controller nca1 at isa? port 0x350 bio irq 5 vector ncaintr
> #controller sea0 at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000 vector seaintr
>
> device scbus
> device da # SCSI disk
> device sa # SCSI tape
> device pass
> device cd # Only need one of these, the code dynamically grows
>
> #device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
> #device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr
>
> #controller matcd0 at isa? port 0x230 bio
>
> #device scd0 at isa? port 0x230 bio
>
> # syscons is the default console driver, resembling an SCO console
> #device sc at isa? flags 0x100
> device sc
> # at isa? port "IO_KBD" conflicts tty irq 1 vector scintr
> # Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
> ## 2/3/1999: new model console stuff
> #device atkbdc
> #device atkbd
>
> #device vt
>
> device vga
> device mgadrm
> device agp
>
> #device vt0 at isa? port "IO_KBD" conflicts tty irq 1 vector pcrint
> options XSERVER # support for X server
> #options FAT_CURSOR # start with block cursor
>
>
> # If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines
> #options PCVT_SCANSET=2 # IBM keyboards are non-std
>
> device npx
>
> #
> # Laptop support (see LINT for more options)
> #
> #device apm0 at isa? disable flags 0x31 # Advanced Power Management
>
> # PCCARD (PCMCIA) support
> #controller card0
> #device pcic0 at card?
> #device pcic1 at card?
>
> device sio
>
> #device lpt0 at isa? port? tty irq 7 vector lptintr
>
> # Parallel-Port Bus
> #
> # Parallel port bus support is provided by the `ppbus' device.
> # Multiple devices may be attached to the parallel port, devices
> # are automatically probed and attached when found.
> #
> # Supported devices:
> # vpo Iomega Zip Drive
> # Requires SCSI disk support ('scbus' and 'da'), best
> # performance is achieved with ports in EPP 1.9 mode.
> # nlpt Parallel Printer, use _instead_ of lpt0
> # plip Parallel network interface
> # ppi General-purpose I/O ("Geek Port")
> # pps Pulse per second Timing Interface
> # lpbb Philips official parallel port I2C bit-banging interface
> #
> # Supported interfaces:
> # ppc ISA-bus parallel port interfaces.
> #
>
> device ppc
> device ppbus
>
> device lpt
> device plip
> device ppi
>
> ############
>
> # USB support
>
> device uhci
> device ohci
> device usb
> device ugen
> #device uhid
> device ukbd
> options KBD_INSTALL_CDEV
> device ums
> #device uscanner
>
> ############
>
> #device psm at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
> #device psm
>
> # Order is important here due to intrusive probes, do *not* alphabetize
> # this list of network interfaces until the probes have been fixed.
> # Right now it appears that the ie0 must be probed before ep0. See
> # revision 1.20 of this file.
>
> device de
>
> #device de0
> #device de1
> #device fxp0
> #device tl0
> #device tx0
> #device vx0
> #device xl0
>
> #device ed0 at isa? port 0x380 net irq 9 iomem 0xd8000 vector edintr
> #device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector ieintr
> #device ep0 at isa? port 0x300 net irq 10 vector epintr
> #device ex0 at isa? port? net irq? vector exintr
> #device fe0 at isa? port 0x300 net irq ? vector feintr
> #device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
> #device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
> #device ze0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zeintr
> #device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
> #device cs0 at isa? port 0x300 net irq ? vector csintr
>
> #
> # see /usr/src/UPDATING
> #
>
> device mem # Memory and kernel memory devices
> device io # I/O device
> #device null # Null and zero devices
>
> device random
>
> device bpf
> device loop # Network loopback
>
> device ether
> #device sl 1
> #device ppp 0
> device tun
> device gif
> device pty
> #device gzip # Exec gzipped a.out's
>
> #
> # for IPFW/natd
> #
>
> options IPFIREWALL #firewall
> options IPFIREWALL_VERBOSE #print information about
> # dropped packets
> #options IPFIREWALL_FORWARD #enable xparent proxy support
> options IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity
> options IPDIVERT #divert sockets
>
> #
> # IPv6
> #
>
> options IPV6FIREWALL #firewall for IPv6
> options IPV6FIREWALL_VERBOSE
> options IPV6FIREWALL_VERBOSE_LIMIT=100
> options IPV6FIREWALL_DEFAULT_TO_ACCEPT
>
>
> #
> # sound driver
> #
>
> #device pcm
>
> device sound
>
> device snd_cmi
>
> _______________________________________________
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