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From: "Pavel V.Zheltobryukhov" <pij@rambler.ru>
To: freebsd-net@freebsd.org
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Date: Fri, 24 Sep 2004 15:58:03 +0400
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Subject: Intel PRO/1000 CT (82547EI) - em0: watchdog timeout
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I have Intel 7210 Server Board with Intel PRO/1000 CT (82547EI) 
on-board. This NIC work fine under Win2K, but then I boot  FreeBSD 
5.2.1 I've got a message on console:

em0: Link up 100Mbit full duplex

and boot process suspended at this moment. After approx. 1 minute next 
messages appear

em0: Watchdog timeout -- resetting
em0: Link up 100Mbit full duplex
em0: Watchdog timeout -- resetting

I send Ctrl+C and boot process was continued. But network card doesn't 
work. I check cable - it's good. I can't send any ping packet to other 
computers. I tried other transmit modes - I switch NIC to 10Mbit half 
duplex and 10Mbit full duplex via ifconfig options. No result. What is 
a problem? Bad driver? That is not a card problem, because (as I wrote 
above) it work in Windows.