Wireless connection not restored when lost

[Dario Bertero]

Whenever a wireless connection is lost and the same network becomes available again, the connection is not restored. Even selecting the network again from the drop down menu does not work, it just tries to connect forever. The only way out is to disable and re-enable wifi, and the connection is got instantly.

Wireless card: 03:00.0 Network controller: Intel Corporation Wireless 7265 (rev 61)

Sample dmesg output:
[ 5.159428] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 5.159884] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 6.667646] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 6.862081] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input6
[ 29.464852] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 29.465308] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 30.063994] wlan0: authenticate with c4:6e:1f:f5:3e:5c
[ 30.070780] wlan0: send auth to c4:6e:1f:f5:3e:5c (try 1/3)
[ 30.073087] wlan0: authenticated
[ 30.073719] wlan0: associate with c4:6e:1f:f5:3e:5c (try 1/3)
[ 30.076797] wlan0: RX AssocResp from c4:6e:1f:f5:3e:5c (capab=0x431 status=0 aid=2)
[ 30.079119] wlan0: associated
[ 380.280476] cfg80211: Calling CRDA to update world regulatory domain
[ 380.282649] cfg80211: World regulatory domain updated:
[ 380.282653] cfg80211: DFS Master region: unset
[ 380.282654] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 380.282656] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 380.282669] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 380.282670] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 380.282672] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 380.282673] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 421.002682] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 421.003140] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 421.610992] wlan0: authenticate with c4:6e:1f:f5:3e:5c
[ 421.616441] wlan0: send auth to c4:6e:1f:f5:3e:5c (try 1/3)
[ 421.618599] wlan0: authenticated
[ 421.621843] wlan0: associate with c4:6e:1f:f5:3e:5c (try 1/3)
[ 421.625212] wlan0: RX AssocResp from c4:6e:1f:f5:3e:5c (capab=0x431 status=0 aid=3)
[ 421.636095] wlan0: associated
[ 805.685448] cfg80211: Calling CRDA to update world regulatory domain
[ 805.687622] cfg80211: World regulatory domain updated:
[ 805.687626] cfg80211: DFS Master region: unset
[ 805.687627] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 805.687629] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 805.687630] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 805.687631] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 805.687633] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 805.687634] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 838.935027] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 838.935638] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 839.551410] wlan0: authenticate with c4:6e:1f:f5:3e:5c
[ 839.556500] wlan0: send auth to c4:6e:1f:f5:3e:5c (try 1/3)
[ 839.558685] wlan0: authenticated
[ 839.559325] wlan0: associate with c4:6e:1f:f5:3e:5c (try 1/3)
[ 839.562559] wlan0: RX AssocResp from c4:6e:1f:f5:3e:5c (capab=0x431 status=0 aid=2)
[ 839.565386] wlan0: associated
[ 1315.078909] cfg80211: Calling CRDA to update world regulatory domain
[ 1315.083865] cfg80211: World regulatory domain updated:
[ 1315.083868] cfg80211: DFS Master region: unset
[ 1315.083870] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 1315.083872] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 1315.083873] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 1315.083874] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 1315.083875] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 1315.083877] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 1342.535269] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 1342.535935] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 1343.153799] wlan0: authenticate with c4:6e:1f:f5:3e:5c
[ 1343.158919] wlan0: send auth to c4:6e:1f:f5:3e:5c (try 1/3)
[ 1343.161169] wlan0: authenticated
[ 1343.162729] wlan0: associate with c4:6e:1f:f5:3e:5c (try 1/3)
[ 1343.165811] wlan0: RX AssocResp from c4:6e:1f:f5:3e:5c (capab=0x431 status=0 aid=1)
[ 1343.168607] wlan0: associated

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: network-manager-gnome 0.9.10.1-0ubuntu4.1
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.3
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Aug 26 10:26:08 2015
ExecutablePath: /usr/bin/nm-applet
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2015-08-22 (3 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
IpRoute:
 default via 192.168.0.1 dev wlan0 proto static metric 1024
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.0.0/24 dev wlan0 proto kernel scope link src 192.168.0.110
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcEnviron:
 LANGUAGE=en_HK:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_HK.UTF-8
 SHELL=/bin/bash
SourcePackage: network-manager-applet
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
 wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2 harrypotter e25f15f3-4a2b-4909-910b-753b695dee9f /org/freedesktop/NetworkManager/ActiveConnection/3
 eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.