Date: Wed, 13 Oct 2004 16:27:22 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: Robert Huff <roberthuff@rcn.com> Cc: current@freebsd.org Subject: Re: network slowness/freez-up since update 10/11 Message-ID: <Pine.NEB.3.96L.1041013162621.84384S-100000@fledge.watson.org> In-Reply-To: <16749.29947.220930.46409@jerusalem.litteratus.org>
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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@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@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 > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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