I get home from a fun ride on Amtrak - Chicago to Detroit, 2 hours delayed to a plowed in car (importance here is I was on the Amtrak WiFi). Came out of suspend mode and connected to my WiFi with no problem.

Then no WiFi. It will not connect. I tried restarting NetworkManager, the interface. Both restarted the authentication which failed. I pulled out the trusty ethernet cable to get connected. I am current on patches. Here is what journalctl shows me for one of the failed connections:

Feb 02 10:11:07 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: disconnected -> scanning Feb 02 10:11:08 lx120e.htt-consult.com kernel: wlp4s0: authenticate with c8:3a:35:fa:5c:58 Feb 02 10:11:08 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 1/3) Feb 02 10:11:08 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: scanning -> authenticating Feb 02 10:11:08 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 2/3) Feb 02 10:11:08 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 3/3) Feb 02 10:11:08 lx120e.htt-consult.com kernel: wlp4s0: authentication with c8:3a:35:fa:5c:58 timed out Feb 02 10:11:08 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: authenticating -> disconnected Feb 02 10:11:19 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: disconnected -> scanning Feb 02 10:11:20 lx120e.htt-consult.com kernel: wlp4s0: authenticate with c8:3a:35:fa:5c:58 Feb 02 10:11:20 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 1/3) Feb 02 10:11:20 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: scanning -> authenticating Feb 02 10:11:20 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 2/3) Feb 02 10:11:20 lx120e.htt-consult.com kernel: wlp4s0: direct probe to c8:3a:35:fa:5c:58 (try 3/3) Feb 02 10:11:20 lx120e.htt-consult.com kernel: wlp4s0: authentication with c8:3a:35:fa:5c:58 timed out Feb 02 10:11:20 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: authenticating -> disconnected Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <warn> Activation (wlp4s0/wireless): association took too long, failing activation. Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): device state change: config -> failed (reason 'ssid-not-found') [50 120 53] Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <info> Disabling autoconnect for connection 'HTTNET'. Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <warn> Activation (wlp4s0) failed for connection 'HTTNET' Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): device state change: failed -> disconnected (reason 'none') [120 30 0] Feb 02 10:11:21 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): deactivating device (reason 'none') [0] Feb 02 10:11:21 lx120e.htt-consult.com firewalld[542]: 2015-02-02 10:11:21 ERROR: UNKNOWN_INTERFACE: 'wlp4s0' is not in any zone Feb 02 10:11:22 lx120e.htt-consult.com NetworkManager[6995]: <info> (wlp4s0): supplicant interface state: disconnected -> inactive

Any idea where to troubleshoot this one?

It won't connect to my smartphone MiFi either. Tried that. And at first my SSID disappeared from the list of found SSIDs. I checked from my phone which had no problem connecting to my local WiFi, so it is the F21 system. After restarting NetworkManager, my SSID again appeared in the list.


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