I’m finding that my wireless (Centrino 2230) periodically finds itself unable to connect to any AP (occasionally it won’t even scan for any) and the problem just spontaneously fixes itself, irrespective of rebooting or restarting the network manager.
I’m on 13.1.
This is me:
Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)
Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f7d00000 (64-bit, non-prefetchable) [size=8]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 60-36-dd-ff-ff-69-f1-fe
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
/var/log/NetworkManager has this relevant stuff at the end
2015-04-01T18:03:01.018181+01:00 laptop NetworkManager[2034]: <info> Activation (wlp1s0) Stage 1 of 5 (Device Prepare) complete.
2015-04-01T18:03:01.018610+01:00 laptop NetworkManager[2034]: <info> Activation (wlp1s0) Stage 2 of 5 (Device Configure) starting...
2015-04-01T18:03:01.019010+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): device state change: prepare -> config (reason 'none') [40 50 0]
2015-04-01T18:03:01.019444+01:00 laptop NetworkManager[2034]: <info> Activation (wlp1s0/wireless): connection 'my_ssid' has security, and secrets exist. No new secrets needed.
2015-04-01T18:03:01.019899+01:00 laptop NetworkManager[2034]: <info> Config: added 'ssid' value 'my_ssid'
2015-04-01T18:03:01.020336+01:00 laptop NetworkManager[2034]: <info> Config: added 'scan_ssid' value '1'
2015-04-01T18:03:01.020756+01:00 laptop NetworkManager[2034]: <info> Config: added 'key_mgmt' value 'WPA-PSK'
2015-04-01T18:03:01.021157+01:00 laptop NetworkManager[2034]: <info> Config: added 'auth_alg' value 'OPEN'
2015-04-01T18:03:01.021582+01:00 laptop NetworkManager[2034]: <info> Config: added 'psk' value '<omitted>'
2015-04-01T18:03:01.021991+01:00 laptop NetworkManager[2034]: <info> Activation (wlp1s0) Stage 2 of 5 (Device Configure) complete.
2015-04-01T18:03:01.022732+01:00 laptop NetworkManager[2034]: <info> Config: set interface ap_scan to 1
2015-04-01T18:03:05.650141+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: disconnected -> scanning
2015-04-01T18:03:06.169245+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: scanning -> authenticating
2015-04-01T18:03:06.176536+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: authenticating -> associating
2015-04-01T18:03:06.286500+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: associating -> disconnected
2015-04-01T18:03:16.293137+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: disconnected -> scanning
2015-04-01T18:03:16.828969+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: scanning -> authenticating
2015-04-01T18:03:16.829587+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: authenticating -> associating
2015-04-01T18:03:16.933824+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: associating -> disconnected
2015-04-01T18:03:26.002609+01:00 laptop NetworkManager[2034]: <warn> Activation (wlp1s0/wireless): association took too long.
2015-04-01T18:03:26.003741+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): device state change: config -> failed (reason 'no-secrets') [50 120 7]
2015-04-01T18:03:26.004225+01:00 laptop NetworkManager[2034]: <info> NetworkManager state is now DISCONNECTED
2015-04-01T18:03:26.004643+01:00 laptop NetworkManager[2034]: <info> Marking connection 'my_ssid' invalid.
2015-04-01T18:03:26.005014+01:00 laptop NetworkManager[2034]: <warn> Activation (wlp1s0) failed for connection 'my_ssid'
2015-04-01T18:03:26.005429+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): device state change: failed -> disconnected (reason 'none') [120 30 0]
2015-04-01T18:03:26.005942+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): deactivating device (reason 'none') [0]
2015-04-01T18:03:26.438512+01:00 laptop NetworkManager[2034]: <info> (wlp1s0): supplicant interface state: disconnected -> inactive
So not very descriptive on what the error is.
Since sometimes the error is that it keeps asking for the WPA key (which I’m 100% sure I enter right), I tried to run wpa_supplicant -B -iwlpl1s0 -c/etc/wpa_supplicant/wpa_supplicant.conf, I got this:
Successfully initialized wpa_supplicant
Could not read interface wlpl1s0 flags: No such device
WEXT: Could not set interface 'wlpl1s0' UP
wlpl1s0: Failed to initialize driver interface
There are no network or iwlwifi related errors in dmesg. I haven’t modified the driver or anything - it’s the one that came with the kernel and worked for a network install.
I get very frustrated and then I look up and suddenly it’s connected…
Almost a complete Linux noob so any help appreciated![/size]