[Solved] Wireless Networking Randomly Not Working

Note: My network card is an Atheros AR9285 PCI-E Adapter. ath9k driver and wicd
Apologies in advance, I'm relatively new to Linux as a whole. With the recent pacman 4 update, my entire system has been somewhat out of whack. I've been unable to figure out how to get it to properly sign keys and update packages, but that's another story entirely. At least my wireless connection still functioned when that was the problem.
I booted my laptop up today and it was suddenly unable to connect to my wireless network. I checked the network to make sure that it was running properly (it is), so came back to the laptop. It said that it was unable to acquire an IP address.
Various googling via my windows box led me to various suggested fixes including restarting wicd and wiping the .conf files, starting from scratch. All that accomplished was making the network hidden, and I'm afraid I've no idea as to how I probed it to show the SSID in the first place.
Again, I'm very sorry, but this is extremely vexing for me, and I'm quite overcome by frustration at the moment. Everything was working fantastically until this pacman update, and now my laptop is good for very little.
Last edited by Velshtein (2012-01-29 05:22:41)

Thank you very much zero, I appreciate the help. Here's what I've got:
For ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0 <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
link/ether f4:6d:04:a9:ec:d6 brd ff:ff:ff:ff:ff:ff
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
link/ether 74:2f:68:1a:84:2e brd ff:ff:ff:ff:ff:ff
Had to create a new wpa_supplicant to get your second set of directions to work, but work it eventually did. The output of dhcpcd looked a little something like this:
dhcpcd[8282]: version 5.2.12 starting
dhcpcd[8282]: wlan0: broadcasting for a lease
dhcpcd[8282]: eth0: waiting for carrier
dhcpcd[8282]: wlan0: offered 192.168.1.106 from 192.168.1.1
dhcpcd[8282]: wlan0: acknowledged 192.168.1.106 from 192.168.1.1
dhcpcd[8282]: wlan0: checking for 192.168.1.106
dhcpcd[8282]: wlan0: hardware address 00:26:ab:00:9a:b1 claims 192.168.1.106
(Lines 4-7 repeat twice more)
dhcpcd[8282]: timed out
dhcpcd[8282]: forked to background, child pid 8327
ip route does nothing (visible anyway)
Last edited by Velshtein (2012-01-27 03:21:39)

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