[CALUG] NIC gone missing with Ubuntu 11.10

[Ed Browne]

Hi,
Strange problem with Ubuntu 11.10 and my NIC.  I did a Network Upgrade
from 11.04 to 11.10, and when it completed (with no apparent problems) somehow
my network interface is hosed.  The chipset is RTL8168C/8111C.  Now it claims
"cable unplugged".  So obviously all the network configuration tools are greyed
out, since it claims it can't even detect the ethernet carrier.  But obviously it's there,
since I completed a successful network upgrade via that very cable scant moments
before.  Any ideas for things to look at?  I didn't find anything like it by searching
the internet (as best I could without a working NIC ...)

Thanks very much,  and cheers - Ed
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