Date: Mon, 1 Oct 2001 11:28:38 +1200 From: David Preece <davep@afterswish.com> To: freebsd-hackers@freebsd.org Subject: Problems with Davicom network chip under load. Message-ID: <01100111283800.00444@development.wgtn.csg.co.nz>
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Hi, I was just attempting to move an iso image between two 4.3-Release machines, the server being a PPro180 with i82559 and the client being a P3-933 with a Davicom network chip. FTP'ing an image from server to client resulted in the client aparrently losing the plot at layer 3 - a ping running simultaneously stops responding at the same time. This proved to be extremely repeatable. Doing ifconfig dc0 down, then up again fixes the problem temporarily. There is nothing in either dmesg nor /var/log/messages about this, and netstat -m shows nothing abnormal. Is this a known problem? RTFM'ing a little I see a recent CVS commit (http://www.FreeBSD.org/cgi/cvsweb.cgi/src/sys/pci/if_dc.c), version 1.54 "Deal with the condition where we lose link in the middle of transmitting a bunch of frames."? Is this therefore fixed under 4.4? BTW, as a short term fix, the same machine has a realtek chipset so I swopped the configuration over and all is good. Must do the 4.4 upgrade (sigh). Cheers, Dave -------FYI, Configuration-------------- (a snipped dmesg) FreeBSD 4.3-RELEASE #4: Fri Sep 21 16:08:35 NZST 2001 CPU: Pentium III/Pentium III Xeon/Celeron (930.96-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x683 Stepping = 3 real memory = 134135808 (130992K bytes) avail memory = 127950848 (124952K bytes) Preloaded elf kernel "kernel" at 0xc02a4000. Preloaded elf module "agp.ko" at 0xc02a409c. Pentium Pro MTRR support enabled agp0: <VIA 82C691 (Apollo Pro) host to PCI bridge> mem 0xe0000000-0xe7ffffff at device 0.0 on pci0pcib2: <VIA 82C598MVP (Apollo MVP3) PCI-PCI (AGP) bridge> at device 1.0 on pci0 pci1: <PCI bus> on pcib2 pci1: <NVidia Riva Vanta TNT2 graphics accelerator> at 0.0 irq 11 rl0: <RealTek 8139 10/100BaseTX> port 0xa800-0xa8ff mem 0xdb800000-0xdb8000ff irq 5 at device 10.0 on pci0 rl0: Ethernet address: 00:50:bf:25:54:ce miibus0: <MII bus> on rl0 rlphy0: <RealTek internal media interface> on miibus0 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto dc0: <Davicom DM9102A 10/100BaseTX> port 0xa400-0xa4ff mem 0xdb000000-0xdb0000ff irq 10 at device 11.0 on pci0 dc0: Ethernet address: 00:80:ad:72:b6:cc miibus1: <MII bus> on dc0 ukphy0: <Generic IEEE 802.3u media interface> on miibus1 ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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