From: [EMAIL PROTECTED] (Bill Paul)
Date: Sun, 3 Sep 2000 19:40:39 -0700 (PDT)
::> After the following commit, my system fail to connect to network.
::> If I backout, seems to work again. Any comments appreciated.
::
::No no no. *You* are the one who's supposed to make the comments.
::Like exactly what card do you have (make/model)? Exactly what speed
::and duplex mode are you using? (10mbps? 100mbps? full duplex? half
::duplex?) What ifconfig command do you use to bring up the interface?
::What kind of hub/switch/whatever is the card connected to? You know,
::all the stuff that I can't figure out for myself because I can't see
::your computer from way over here.
::
::-Bill
Hello Bill,
I'm sorry about that. Here's some information that I can gather:
1. The Intel 21143 chips is intergrated in NEC VersaPro NoteBook PC.
No LED to indicate the network activity are available.
2. It is connected to 10BaseT Hub (HP 28688B) at half duplex.
3. dmesg output:
dc0: <Intel 21143 10/100BaseTX> port 0xe880-0xe8ff mem 0xfebfec00-0xfebfefff irq
5 at device 5.0 on pci0
dc0: Ethernet address: 00:00:4c:73:16:8a
miibus0: <MII bus> on dc0
dcphy0: <Intel 21143 NWAY media interface> on miibus0
dcphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
4. When connection's ok (w/ if_dc.c: rev 1.20):
dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 133.253.157.145 netmask 0xffffff00 broadcast 133.253.157.255
inet6 fe80::200:4cff:fe73:168a%dc0 prefixlen 64 scopeid 0x1
ether 00:00:4c:73:16:8a
media: autoselect (10baseT/UTP) status: active
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP
<full-duplex> 10baseT/UTP 100baseTX <hw-loopback> none
5. When connection's no good (w/ if_dc.c: rev 1.21):
dc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 133.253.157.145 netmask 0xffffff00 broadcast 133.253.157.255
inet6 fe80::200:4cff:fe73:168a%dc0 prefixlen 64 scopeid 0x1
ether 00:00:4c:73:16:8a
media: autoselect (none) status: no carrier
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP
<full-duplex> 10baseT/UTP 100baseTX <hw-loopback> none
It seems that there's no negotiation done with the Hub at all.
Hope this helps,
Haro
=------------------------------------------------------------------------------
_ _ Munehiro (haro) Matsuda
-|- /_\ |_|_| Business Incubation Dept., Kubota Corp.
/|\ |_| |_|_| 1-3 Nihonbashi-Muromachi 3-Chome
Chuo-ku Tokyo 103-8310, Japan
Tel: +81-3-3245-3318 Fax: +81-3-3245-3315
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