Date: Wed, 21 Apr 1999 14:40:00 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Khetan Gajjar <khetan@os.org.za> Cc: questions@FreeBSD.ORG Subject: Re: de0: abnormal interrupt: transmit underflow Message-ID: <Pine.BSF.4.03.9904211439100.27954-100000@resnet.uoregon.edu> In-Reply-To: <Pine.BSF.4.10.9904212059530.3070-100000@chain.freebsd.os.org.za>
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On Wed, 21 Apr 1999, Khetan Gajjar wrote: > Hi. > > I'm running 4-current (updated yesterday), but I've had this problem for > a while (well over a year). > > I get these errors > Apr 21 20:55:00 chain /kernel: de0: abnormal interrupt: transmit underflow > whenever I try to transfer things to or from my network. > The card is a SMC, and is probed as > de0: <Digital 21041 Ethernet> at device 11.0 on pci0 > de0: interrupting at irq 5 > de0: SMC 21041 [10Mb/s] pass 1.1 > de0: address 00:00:c0:f9:2f:c8 > > I have tried shifting the card to another PCI bus, I've tried > ifconfig de0 down, ifconfig de0 up, but this doesn't solve the > problem. I've pretty much tried all the suggestions that other > people have suggested, except for (obviously) replacing the card. > I don't think the card is dead, because it works perfectly for small > files. Is something (like an internal soundcard) sitting on IRQ 5? Try overriding it from the BIOS. > Does anyone have any suggestions ? The problems occur whenever > I transfer anything other than small files (ie greater than 100k) > either to or from the client PC's to the FreeBSD machine. > > The collision light on the hub also goes on. Could it be the ether > cable from the PC to the hub ? It's about 10-15m in length, > so I haven't replaced it because that would entail ordering another > length, which I haven't had time to do. > > netstat -i reveals > Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll > de0 1500 <Link> 00.00.c0.f9.2f.c8 23420 0 21720 805 826 > de0 1500 freebsd-net/2 fence 23420 0 21720 805 826 This is bad. Check your cabling. What brand/model of hub? Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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