Date: Wed, 17 Apr 2002 12:52:09 +0200 From: Jens Rehsack <rehsack@liwing.de> To: Alexander Isaev <A.Isaev@astelit.ru> Cc: questions@freebsd.org Subject: Re: FreeBSD 4.5 and network problems Message-ID: <3CBD53D9.A601646F@liwing.de> References: <215648810.20020415134857@astelit.ru> <3CBAA628.6304E066@liwing.de> <16518703142.20020415143951@astelit.ru> <3CBAB3E2.B47F583B@liwing.de> <13114797867.20020417131609@astelit.ru> <3CBD437E.3027869F@liwing.de> <8819984941.20020417144235@astelit.ru>
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Alexander Isaev wrote:
>
> Hello Jens,
>
> Wednesday, Wednesday, April 17, 2002, you wrote:
>
> JR> Alexander Isaev wrote:
> >>
> >> Hello Jens,
> >>
> >> Monday, Monday, April 15, 2002, you wrote:
> >>
> >> JR> Alexander Isaev wrote:
> >> >>
> >> >> Hello Jens,
> >> >>
> >> >> Monday, Monday, April 15, 2002, you wrote:
> >> >>
> >> >> JR> Alexander Isaev wrote:
> >> >> >>
> >> >> >> Hello freebsd-questions,
> >> >> >>
> >> >> >> I have installed FreeBSD 4.5. Everything worked OK from the console.
> >> >> >> But when I tried to connect to it remotely (using SSH) I had some network troubles.
> >> >> >> From time to time to time the connection hangs for a short time.
> >> >> >> First of all I've tried to install another network card (I've replaced
> >> >> >> D-Link 550 with D-Link 538TX). But the problem still exists. Later
> >> >> >> I've noticed that network timeouts happen also when sending or
> >> >> >> receiving large files over SMTP/POP3.
> >> >> JR> Can you login? If not, what user account do you try at login?
> >> >> JR> If you can login, is your machine heavy loaded? Or how many routers/firewalls
> >> >> JR> are between your remote machine and your freebsd 4.5 box?
> >> >> Yes I can login. Machine is idle for 99,9 %.
> >> >>
> >> >> last pid: 16641; load averages: 0.00, 0.00, 0.00 up 4+23:16:04 14:36:10
> >> >> 21 processes: 2 running, 19 sleeping
> >> >> CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle
> >> >> Mem: 9880K Active, 77M Inact, 56M Wired, 56K Cache, 33M Buf, 89M Free
> >> >> Swap: 465M Total, 465M Free
> >> >>
> >> >> PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
> >> >> 16641 isaev 28 0 1892K 1172K RUN 0:00 1.08% 0.20% top
> >> >> 16631 root 2 0 2072K 1756K sbwait 0:00 0.06% 0.05% sendmail
> >> >> 16639 candymow 2 0 1104K 812K sbwait 0:00 0.17% 0.05% cucipop
> >> >> 91 root 2 0 4392K 4128K select 0:40 0.00% 0.00% drwebd
> >> >> 93 drweb 2 0 4400K 1608K poll 0:07 0.00% 0.00% drweb-smf
> >> >> 62 root 2 0 964K 668K select 0:02 0.00% 0.00% syslogd
> >> >> 72 root 10 0 1004K 736K nanslp 0:02 0.00% 0.00% cron
> >> >> 97 root 2 0 2104K 1600K select 0:01 0.00% 0.00% sshd
> >> >> 70 root 2 0 1072K 820K select 0:00 0.00% 0.00% inetd
> >> >> 16638 root 28 0 2168K 1836K RUN 0:00 0.00% 0.00% sshd
> >> >> 16640 isaev 10 0 1032K 884K wait 0:00 0.00% 0.00% bash
> >> >> 16612 root 2 0 1784K 1572K select 0:00 0.00% 0.00% sendmail
> >> >> 99 root 3 0 948K 652K ttyin 0:00 0.00% 0.00% getty
> >> >> 105 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 102 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 103 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 106 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 100 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 104 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 101 root 3 0 948K 656K ttyin 0:00 0.00% 0.00% getty
> >> >> 23 root 18 0 208K 92K pause 0:00 0.00% 0.00% adjkerntz
> >> >>
> >> >> There are 1 firewall and about 1 or 2 routers between me and this machine.
> >> >> But, this machine is installed in subnet with another FreeBSD
> >> >> machine (let's name it - Machine-B) . When I download large file
> >> >> (about 200 Mb at 200 k/s speed) from Machine-B the timeouts on
> >> >> first machine become much longer and happen much often. For another
> >> >> hand when Dling large file I can login to Machine-B by SSH and work
> >> >> without any problems. So the network problems depend on network
> >> >> traffic but I can notice problems ONLY on one machine. All other
> >> >> machines in network work perfect.
> >> JR> I had a similar problem with a machine for 1 year. I do not know the exact
> >> JR> reason, but the interrupt of the NIC never works. The card works perfect
> >> JR> in other machines. Maybe the motherboard had a defect, but I do not know...
> >>
> >> JR> By the way, other machine runs in such a problem: solution? Changing interrupt
> >> JR> handling from level to edge (or from edge to level). Is in the `dmesg`-output
> >> JR> the interrupt found correctly?
> >> Maybe I'll try to change the IRQ. Right now network card uses 11 IRQ.
> >> But, it's a normal IRQ for network card my Windows based PC uses the
> >> same IRQ and everything is OK..
> >>
> >> JR> Hope that helps
> JR> I don't think, that it would. Only if there is a shared interrupt, where one of the
> JR> drivers didn't support. Could you send me the content of the "dmesg" output, please?
> Here us my DMESG:
>
> Copyright (c) 1992-2002 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 4.5-RELEASE #0: Tue Apr 2 16:23:24 MSD 2002
> root@mail.candy.ru:/usr/src/sys/compile/GENERIC
> Timecounter "i8254" frequency 1193182 Hz
> CPU: Pentium III/Pentium III Xeon/Celeron (868.64-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0x68a Stepping = 10
> Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
> real memory = 251641856 (245744K bytes)
> config> en fdc0
> config> po fdc0 0x3f0
> config> ir fdc0 6
> config> dr fdc0 2
> config> f fdc0 0
> config> q
> avail memory = 240140288 (234512K bytes)
> Preloaded elf kernel "kernel" at 0xc0496000.
> Preloaded userconfig_script "/boot/kernel.conf" at 0xc049609c.
> Pentium Pro MTRR support enabled
> md0: Malloc disk
> Using $PIR table, 6 entries at 0xc00f1400
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> pcib0: <Host to PCI bridge> on motherboard
> pci0: <PCI bus> on pcib0
> atapci0: <SiS 5591 ATA100 controller> port 0xd800-0xd80f at device 0.1 on pci0
> ata0: at 0x1f0 irq 14 on atapci0
> isab0: <SiS 85c503 PCI-ISA bridge> at device 1.0 on pci0
> isa0: <ISA bus> on isab0
> pcib2: <PCI to PCI bridge (vendor=1039 device=0001)> at device 2.0 on pci0
> pci1: <PCI bus> on pcib2
> pci1: <SiS model 6300 VGA-compatible display device> at 0.0 irq 11
> rl0: <D-Link DFE-530TX+ 10/100BaseTX> port 0x9800-0x98ff mem 0xe9800000-0xe98000ff irq 11 at device 13.0 on pci0
> rl0: Ethernet address: 00:50:ba:b2:6c:4f
> miibus0: <MII bus> on rl0
> rlphy0: <RealTek internal media interface> on miibus0
> rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> pcib1: <SiS 5591 host to AGP bridge> on motherboard
> pci2: <PCI bus> on pcib1
> orm0: <Option ROM> at iomem 0xc0000-0xcbfff on isa0
> 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: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
> ppc0: FIFO with 16/16/16 bytes threshold
> plip0: <PLIP network interface> on ppbus0
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> ppi0: <Parallel I/O> on ppbus0
> ad0: 29319MB <FUJITSU MPG3307AT> [59570/16/63] at ata0-master UDMA100
> Mounting root from ufs:/dev/ad0s1a
You VGA-Adapter (graphic card) has the same IRQ like your D-Link card (network),
so if you can change only one of them, it could be the solution.
Good luck
Jens
> JR> So long
> JR> Jens
>
> >> JR> Jens
> >> >> >> Can someone help me to solve this problem?
> >> >> JR> Maybe
> >> >> >> Best regards,
> >> >> >> Alexander Isaev mailto:A.Isaev@astelit.ru
> >> >> >>
> >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org
> >> >> >> with "unsubscribe freebsd-questions" in the body of the message
> >> >> JR> so long
> >> >> JR> Jens
> >> >>
> >> >> Best regards,
> >> >> Alexander mailto:A.Isaev@astelit.ru
> >>
> >> Best regards,
> >> Alexander mailto:A.Isaev@astelit.ru
>
> Best regards,
> Alexander mailto:A.Isaev@astelit.ru
--
L i W W W i Jens Rehsack
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