em(4) on FreeBSD is sometimes annoying
nakal at web.de
Mon Aug 4 15:45:40 UTC 2008
Am Mon, 4 Aug 2008 12:51:38 +0200
schrieb Martin <nakal at web.de>:
> I'm trying some other things here. Before you waste time on
> PEBKAC problems ;) (which I now suspect to be). Let me try to install
> the latest GENERIC on my laptop first.
I've build fresh world and then kernel (GENERIC configuration), I also
removed everything from rc.conf except host name assignment, and
ifconfig_re0="DHCP". I have still same effect as described before.
Booting without ethernet cable will prevent me to get link "status:
active" on em(4), when I try to use it later.
GENERIC from FreeBSD 7.0 CD installation works fine. I checked it
again. I can boot without cable in my NIC, "try" to assign an IP using
DHCP and then plug the cable in and I have link.
Is there a difference how /etc/rc.d/netif handles a NIC with DHCP and
how the installation CD is handling it?
Once again, steps to reproduce this behavior:
1) Power the laptop OFF. Really OFF, I mean. No reboots!
2) Detach the cable from NIC.
3) Boot FreeBSD. Let it pass the DHCP phase (ifconfig_em0="DHCP") until
4) Attach the cable to the NIC.
5) Voila... no link.
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