Description of problem: # iwlist wlo1 scan | grep ESSID ESSID:"307" ESSID:"dr.House" ESSID:"Keenetic-2261" ESSID:"TP-LINK_7F58" # LANG=en_US.utf8 nmcli dev wifi list * SSID MODE CHAN RATE SIGNAL BARS SECURITY 307 Infra 1 54 Mbit/s 77 ▂▄▆_ WPA1 WPA2 TP-LINK_7F58 Infra 1 54 Mbit/s 54 ▂▄__ WPA1 WPA2 Keenetic-2261 Infra 11 54 Mbit/s 40 ▂▄__ WPA1 WPA2 Home Infra 6 54 Mbit/s 27 ▂___ WPA1 WPA2 As you see there is not present WiFi network with name "dr.House". Log after enabling WiFi: # nmcli g log level debug domains PLATFORM,RFKILL,ETHER,WIFI,BT,MB,DHCP4,DHCP6,PPP,IP4,IP6,AUTOIP4,DNS,VPN,SHARING,SUPPLICANT,AGENTS,SETTINGS,SUSPEND,CORE,DEVICE,OLPC,INFINIBAND,FIREWALL,ADSL,BOND,VLAN,BRIDGE,TEAM,CONCHECK,DCB,DISPATCH,AUDIT,SYSTEMD # nmcli r wifi off # nmcli r wifi on In log: Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5282] sup-iface[0x5648fbe16f90,wlo1]: interface added to supplicant Aug 22 17:38:17 localhost NetworkManager[896]: <info> [1471876697.5325] sup-iface[0x5648fbe16f90,wlo1]: supports 4 scan SSIDs Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5341] sup-iface[0x5648fbe16f90,wlo1]: supplicant supports network credentials requests Aug 22 17:38:17 localhost NetworkManager[896]: <info> [1471876697.5349] device (wlo1): supplicant interface state: starting -> ready Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5349] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'waiting for supplicant' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5351] device[0x5648fbdd7460] (wlo1): add_pending_action (1): 'queued state change to disconnected' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5352] device[0x5648fbdd7460] (wlo1): queued state change to disconnected due to supplicant-available (id 35595) Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5352] device[0x5648fbdd7460] (wlo1): is available, will transition to disconnected Aug 22 17:38:17 localhost kernel: IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5353] device[0x5648fbdd7460] (wlo1): running queued state change to disconnected (id 35595) Aug 22 17:38:17 localhost NetworkManager[896]: <info> [1471876697.5353] device (wlo1): state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5355] device[0x5648fbdd7460] (wlo1): will enable userland IPv6LL Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5355] platform-linux: link: change 5: user-ipv6ll: set IPv6 address generation mode to none Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5357] platform-linux: do-request-link: 5 Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5359] platform-linux: do-change-link[5]: success changing link: success Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5359] platform-linux: sysctl: reading '/proc/sys/net/ipv6/conf/wlo1/disable_ipv6': '0' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5360] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/disable_ipv6' to '1' (current value is '0') Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5361] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/disable_ipv6' to '0' (current value is '1') Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5363] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/accept_ra_defrtr' to '0' (current value is identical) Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5364] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/accept_ra_pinfo' to '0' (current value is identical) Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5365] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/accept_ra_rtr_pref' to '0' (current value is identical) Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5366] platform-linux: sysctl: setting '/proc/sys/net/ipv6/conf/wlo1/use_tempaddr' to '0' (current value is identical) Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5373] device[0x5648fbdd7460] (wlo1): add_pending_action (2): 'scan' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5374] device[0x5648fbdd7460] (wlo1): add_pending_action (3): 'autoactivate' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5375] device[0x5648fbdd7460] (wlo1): remove_pending_action (2): 'queued state change to disconnected' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5384] device[0x5648fbdd7460] (wlo1): remove_pending_action (1): 'autoactivate' Aug 22 17:38:17 localhost NetworkManager[896]: <debug> [1471876697.5492] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'scan' Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4498] platform: signal: link changed: 5: wlo1 <UP;broadcast,multicast,up> mtu 0 arp 1 wifi? init addr 44:1C:A8:0F:B8:E7 driver rtl8188ee Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: fill_dict_with_properties dbus_interface=fi.w1.wpa_supplicant1.BSS dbus_property=RSN getter failed Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4499] device[0x5648fbdd7460] (wlo1): queued link change for ifindex 5 Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (org.freedesktop.DBus.Error.Failed) failed to parse RSN IE Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: Failed to construct signal Aug 22 17:38:18 localhost NetworkManager[896]: <info> [1471876698.4598] device (wlo1): supplicant interface state: ready -> inactive Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4601] device[0x5648fbdd7460] (wlo1): add_pending_action (1): 'scan' Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4621] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'scan' Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4643] device[0x5648fbdd7460] (wlo1): add_pending_action (1): 'autoactivate' Aug 22 17:38:18 localhost NetworkManager[896]: <debug> [1471876698.4704] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'autoactivate' Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: fill_dict_with_properties dbus_interface=fi.w1.wpa_supplicant1.BSS dbus_property=RSN getter failed Aug 22 17:38:19 localhost NetworkManager[896]: <debug> [1471876699.3927] device[0x5648fbdd7460] (wlo1): add_pending_action (1): 'autoactivate' Aug 22 17:38:19 localhost NetworkManager[896]: <debug> [1471876699.3933] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'autoactivate' Aug 22 17:38:22 localhost audit: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=systemd-rfkill comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Aug 22 17:38:41 localhost NetworkManager[896]: <debug> [1471876721.7062] device[0x5648fbdd7460] (wlo1): add_pending_action (1): 'scan' Aug 22 17:38:41 localhost NetworkManager[896]: <debug> [1471876721.7075] device[0x5648fbdd7460] (wlo1): remove_pending_action (0): 'scan' I think part: Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (org.freedesktop.DBus.Error.Failed) failed to parse RSN IE Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: Failed to construct signal is relevant (according to https://mail.gnome.org/archives/networkmanager-list/2016-June/msg00071.html). Target net according to iwlist scan: Cell 02 - Address: 00:11:D8:97:DF:A6 Channel:2 Frequency:2.417 GHz (Channel 2) Quality=70/70 Signal level=-34 dBm Encryption key:on ESSID:"dr.House" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s 24 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s Mode:Master Extra:tsf=0000001166076252 Extra: Last beacon: 32ms ago IE: Unknown: 000864722E486F757365 IE: Unknown: 010882848B96A4B0C8EC IE: Unknown: 030102 IE: Unknown: 0706444520010D14 IE: Unknown: 200100 IE: Unknown: 23021000 IE: Unknown: 2A0100 IE: Unknown: 2F0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : WEP-40 Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: 32048C9298E0 IE: Unknown: DD09001018020013000000 Version-Release number of selected component (if applicable): # rpm -qa wpa_supplicant 'NetworkManager*' NetworkManager-openvpn-1.2.4-2.fc24.x86_64 NetworkManager-libnm-1.2.4-2.fc24.x86_64 wpa_supplicant-2.5-5.fc24.x86_64 NetworkManager-wifi-1.2.4-2.fc24.x86_64 NetworkManager-pptp-1.2.2-1.fc24.x86_64 NetworkManager-libreswan-1.2.4-1.fc24.x86_64 NetworkManager-bluetooth-1.2.4-2.fc24.x86_64 NetworkManager-team-1.2.4-2.fc24.x86_64 NetworkManager-glib-1.2.4-2.fc24.x86_64 NetworkManager-wwan-1.2.4-2.fc24.x86_64 NetworkManager-1.2.4-2.fc24.x86_64 NetworkManager-adsl-1.2.4-2.fc24.x86_64 NetworkManager-vpnc-1.2.2-1.fc24.x86_64 NetworkManager-openconnect-1.2.2-1.fc24.x86_64 NetworkManager-l2tp-1.2.2-1.fc24.x86_64 NetworkManager-config-connectivity-fedora-1.2.4-2.fc24.x86_64 How reproducible: Always
As discussed in the thread you mentioned, the problem is in wpa_supplicant. Dan mentioned the commit [1] there that removed the legacy support for WEP cipher suites in group cipher announced in RSN IE. Even though those setup may not be common, the Wi-Fi standard allows it [2] and AirPort Extreme router uses that in "WEP (Transitional Security Network)" option [3]. > Aug 22 17:38:18 localhost wpa_supplicant[16626]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (org.freedesktop.DBus.Error.Failed) failed to parse RSN IE this is from here https://w1.fi/cgit/hostap/tree/wpa_supplicant/dbus/dbus_new_handlers.c#n4004 [1] https://w1.fi/cgit/hostap/commit/?id=ce8963fc9f197771cd51ba2834fbdf711189641a [2] https://www.cwnp.com/forums/posts?postNum=298734 [3] http://apple.stackexchange.com/questions/35030/what-is-the-difference-between-the-wpa2-personal-wpa-and-wpa2-wifi-security-pas
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