Problems with SK and EM network cards/drivers on my system

[Dave+Seddon]

Greetings, 

There seems to be heaps of people on the list reporting errors with em cards 
and FreeBSD 5.4 -stable-ish (as in cvsup-ed within the last couple of 
months).  Are there many people running these ok?  Perhaps is not the 
network card so much as some other element of the computer? 

Regarding the below issue- what about spanning tree?  Is portfast enabled? 

Regards,
Dave 


Maxim Tuliuk writes: 

> On Sun, Sep 18, 2005 at 14:15 -0400, Benjamin Rosenblum wrote:
> ...
>> now the EM problem. 
>> 
>> when i am running a very high network load (streaming video, dumping 
>> ALOT of data across the network, etc) the network card disconnects (i 
>> loose pings and all my transfers drop) and 15-20 seconds later it pops 
>> up on the console with "em0: Link is up 1000 Mbps Full Duplex" and then 
>> it starts working again.  again im at a dead wall and really want my 
>> network to work properly so i can do what i need to do.
> 
> Hello!
> I've same problems on 5.4-STABLE:
> /var/run/dmesg.boot:
> FreeBSD 5.4-STABLE #5: Tue Sep 13 16:14:10 EEST 2005
> em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port 0xbc00-0xbc1f mem 0xff8e0000-0xff8fffff irq 18 at device 1.0 on pci1
> em0: Ethernet address: 00:0c:f1:cf:7e:b6
> em0:  Speed:N/A  Duplex:N/A 
> 
> /etc/rc.conf:
> ifconfig_em0="inet ... netmask ... media 100baseTX mediaopt full-duplex" 
> 
> /var/log/messages:
> Sep 20 15:51:40 tak kernel: em0: Link is up 100 Mbps Full Duplex
> Sep 20 17:01:40 tak kernel: em0: Link is up 100 Mbps Full Duplex
> Sep 20 18:48:16 tak kernel: em0: Link is up 100 Mbps Full Duplex 
> 
> switch: Catalyst 3550
> I changed ports: 100M to 1GB and back; changed cables, but...
> no positive results :(
> -- 
> Maxim Tuliuk
> WWW: http://primats.org.ua/~mt/
> ICQ: 21134222 
> 
> The bike is absolute freedom of moving
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