Date: Thu, 29 Apr 1999 05:53:22 -0400 From: Tom Embt <tom@embt.com> To: freebsd-stable@freebsd.org Subject: pn0 driver sometimes loses connectivity ?? Message-ID: <3.0.3.32.19990429055322.007880d4@mail.embt.com>
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Today I was FTPing a large (~300MB) file from my headless FreeBSD machine
to a Windoze 98 one, and somewhere in the middle, it stopped transferring.
That's when I found out my telnet sessions had also disconnected, and I
couldn't ping the BSD machine at all. This has happened once before,
several weeks ago, but I don't remember the circumstances that time.
I'm no TCP/IP expert (yet) but I did notice one thing I thought was funny.
The BSD machine is a DHCP server for the Win98 one, and after I lost
network connectivity I brought up winipcfg for some reason. If I tried to
"Renew" the lease, it would refuse, but if I first "Release"'d it, I could
successfully renew the lease.
Anyway, getting back on the subject... even though I could get a DHCP
lease from the FreeBSD box, I could not ping it's IP address or any of it's
aliases. So, I grabbed the keyboard of the FreeBSD box and blindly logged
in and typed:
ifconfig pn0 down
ifconfig pn0 up
Fixed! All network connectivity was restored. Since it's easy to remedy I
am not too worried about this problem, but still I'd like to know if this
is a known bug, or if anyone else has had similar problems. I have not
been successful in reproducing it, so I don't know if it is related to
network load. As I said it has only happened twice so far.
System info:
FreeBSD 3.1-Stable (cvsup'd 4/19/1999)
Kingston KNE110TX network card
AOpen AP58 motherboard (33MHz async PCI)
Pentium 166MMX @ 189MHz (75x2.5, CPU can do 208MHz)
32MB 10ns SDRAM (can do 83MHz)
1.2GB Seagate Medalist ST31276A IDE
420MB WD Caviar AC2420F IDE
Win98 machine has same NIC, connected by a 10base-T hub.
pn0: <82c169 PNIC 10/100BaseTX> rev 0x20 int a irq 10 on pci0.9.0
pn0: Ethernet address: 00:c0:f0:2d:bb:72
pn0: autoneg complete, link status good (half-duplex, 10Mbps)
pn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.0.0.10 netmask 0xffffff00 broadcast 10.0.0.255
inet 10.0.0.11 netmask 0xffffff00 broadcast 10.0.0.255
inet 10.0.0.50 netmask 0xffffff00 broadcast 10.0.0.255
ether 00:c0:f0:2d:bb:72
media: 10baseT/UTP <half-duplex>
supported media: autoselect 100baseTX <full-duplex> 100baseTX
<half-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 10baseT/UTP
<half-duplex>
Name Mtu Network Address Ipkts Ierrs Ibytes
Opkts Oerrs Obytes Coll
pn0 1500 <Link> 00.c0.f0.2d.bb.72 4393772 0 775710224
2130723 0 1675292757 5499
pn0 1500 10/24 odin 4393772 0 775710224
2130723 0 1675292757 5499
pn0 1500 10/24 ns 4393772 0 775710224
2130723 0 1675292757 5499
pn0 1500 10/24 valhalla 4393772 0 775710224
2130723 0 1675292757 5499
If anyone has any idea what's happening, I'd like to hear them.
Tom Embt
tom@embt.com
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