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Laptop / wifi issues



Lenovo Thinkpad T520i.

Wireless controller: 03:00.0 Network controller: Intel Corporation
Centrino Wireless-N 1000

I can see and get a wireless connection (usually via wicd-cli), but
dhclient fails to get an IP address:

# iwconfig  wlan0
wlan0     IEEE 802.11bgn  ESSID:"RIGHTSCALE"
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:0E:83:67:74:B0
          Bit Rate=48 Mb/s   Tx-Power=14 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=51/70  Signal level=-59 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:2  Invalid misc:0   Missed beacon:0


OK, I lied.  Just now trying to prove this wouldn't work:


# dhclient -v wlan0
Internet Systems Consortium DHCP Client 4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/wlan0/8c:a9:82:7a:92:2a
Sending on   LPF/wlan0/8c:a9:82:7a:92:2a
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4
DHCPOFFER from 10.36.0.1
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPACK from 10.36.0.1
bound to 10.36.7.178 -- renewal in 4135 seconds.


However ... wicd-cli failed to get a DHCP lease earlier.

I'll investigate further and follow up.

-- 
Dr. Ed Morbius
Chief Scientist / Philologist / Robot Wrangler / Powerplant Operator
Krell Power Systems Unlimited


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