Date: Thu, 4 Jul 2013 00:15:21 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-current@freebsd.org Subject: devd or dhclient or ifconfig behavior seems broken Message-ID: <20130704071521.GA77965@troutmask.apl.washington.edu>
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For years after connecting wlan0 via dhcp to a spotted
router, I would occasionially need to do
ifconfig wlan0 down
ifconfig wlan0 up
This would toggle
% ifconfig wlan0 | grep media
media: IEEE 802.11 Wireless Ethernet OFDM/6Mbps mode 11g
to
% ifconfig wlan0 | grep media
media: IEEE 802.11 Wireless Ethernet OFDM/36Mbps mode 11g
After rebuilding, installing, and rebooting a new world, I find
the following in /var/log/messages
Jul 4 00:05:03 laptop-kargl kernel: wlan0: link state changed to DOWN
Jul 4 00:05:04 laptop-kargl kernel: wlan0: link state changed to UP
Jul 4 00:05:04 laptop-kargl devd: Executing '/etc/rc.d/dhclient quietstart
wlan0
So, devd is firing off a new dhclient. This has never occurred before.
But, to make matters worse. The new dhclient appears to be nuking
/etc/resolv.conf.
Has anyone seen such behavior? How do I stop devd and/or dhclient
from nuking resolv.conf?
--
Steve
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