Arch Linux

Description:

I recently updated the system in my laptop and I can't connect to my wireless router, right now. I'm using NetworkManager.

Additional info:
* package version(s)

linux 3.11.1-2
networkmanager 0.9.8.4-1
kde 4.11.1-1
kdeplasma-applets-networkmanagement 1:0.9.0.9-1

* config and/or log files etc.

[root@mylaptop ~]# journalctl -xn
-- Logs begin at Fri 2013-09-20 15:49:18 COT, end at Wed 2013-09-25 20:13:21 COT. --
Sep 25 20:13:09 mylaptop kernel: wlp2s0: authentication with 28:be:9b:78:09:01 timed out
Sep 25 20:13:09 mylaptop NetworkManager[305]: <info> (wlp2s0): supplicant interface state: authenticating -> disconnected
Sep 25 20:13:19 mylaptop NetworkManager[305]: <info> (wlp2s0): supplicant interface state: disconnected -> scanning
Sep 25 20:13:20 mylaptop kernel: wlp2s0: authenticate with 28:be:9b:78:09:01
Sep 25 20:13:20 mylaptop NetworkManager[305]: <info> (wlp2s0): supplicant interface state: scanning -> authenticating
Sep 25 20:13:20 mylaptop kernel: wlp2s0: direct probe to 28:be:9b:78:09:01 (try 1/3)
Sep 25 20:13:20 mylaptop kernel: wlp2s0: direct probe to 28:be:9b:78:09:01 (try 2/3)
Sep 25 20:13:20 mylaptop kernel: wlp2s0: direct probe to 28:be:9b:78:09:01 (try 3/3)
Sep 25 20:13:21 mylaptop kernel: wlp2s0: authentication with 28:be:9b:78:09:01 timed out
Sep 25 20:13:21 mylaptop NetworkManager[305]: <info> (wlp2s0): supplicant interface state: authenticating -> disconnected

Steps to reproduce:

Try to connect from one laptop to one wireless router in KDE with NetworkManager.