Date: Thu, 10 Aug 2006 08:18:23 +0700 From: Akhmad Sakirun <saki@pacific.net.id> To: freebsd-stable@freebsd.org Subject: Re: Network often not responding Message-ID: <1845547331.20060810081823@pacific.net.id> In-Reply-To: <44D9ECB9.5020500@goodforbusiness.co.uk> References: <496795293.20060809195310@pacific.net.id> <44D9ECB9.5020500@goodforbusiness.co.uk>
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Hello, right now, i'm using 3com ethernet: xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xa880-0xa8ff mem 0xfeafec00-0xfeafec7f irq 19 at device 7.0 on pci2 miibus0: <MII bus> on xl0 xlphy0: <3Com internal media interface> on miibus0 xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto xl0: Ethernet address: 00:10:5a:0d:c1:45 onboard ethernet which disabled via BIOS was: Intel 82541E1 GbE Average traffic is 10-15Mbps on bussy hours, and connected client average < 1000 #netstat -n | grep EST | wc -l # 780 I really confused, i don't have any other Freebsd AMD64 system installed, but other with i386 system never got any problem like this. Best regards, Wednesday, August 9, 2006, 9:10:01 PM, Dominic wrote: > Googling for the second line I found this: > http://lists.freebsd.org/pipermail/freebsd-doc/2005-November/009273.html > It quotes this part of the manual page for dc, another network card: > "This is from the dc(4) man page: > dc%d: TX underrun -- increasing TX threshold The device generated a > transmit underrun error while attempting to DMA and transmit a packet. > This happens if the host is not able to DMA the packet data into the > NIC's FIFO fast enough. The driver will dynamically increase the > trans- > mit start threshold so that more data must be DMAed into the FIFO > before > the NIC will start transmitting it onto the wire." > So it would seem like the card cannot keep pace with the system. What NICs > have you tried? > Dom >> >> >> >> >> >> >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to >> "freebsd-stable-unsubscribe@freebsd.org"
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