Hallo, wir haben auf einem Laptop Ubuntu 15.04 installiert und er funktioniert an unserem WLAN fehlerfrei. Jetzt sollte er sich an einem anderen WLAN, über einen Router Vodafone R101, einloggen. Die Verbindung wird auch kurzzeitig hergestellt und dann wieder unterbrochen. Im Laptop ist eine Intel Dual Band Wireless-N 7260 verbaut. Wo muß ich suchen? Die Einstellungen des Routers sind auch in Ordnung, andere Geräte stellen eine Verbindung zu ihm her.
Hier der Auszug aus der /var/log/syslog
Jun 22 18:28:15 sindys-S935 NetworkManager[741]: <info> WiFi hardware radio set disabled Jun 22 18:28:15 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: disconnected -> unavailable (reason 'none') [30 20 0] Jun 22 18:28:15 sindys-S935 NetworkManager[741]: <info> (wlan0): deactivating device (reason 'none') [0] Jun 22 18:23:13 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-SCAN-STARTED Jun 22 18:28:15 sindys-S935 wpa_supplicant[1013]: rfkill: WLAN soft blocked Jun 22 18:28:15 sindys-S935 NetworkManager[741]: (NetworkManager:741): GLib-CRITICAL **: Source ID 946 was not found when attempting to remove it Jun 22 18:28:15 sindys-S935 NetworkManager[741]: <info> WiFi now disabled by radio killswitch Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <info> WiFi hardware radio set enabled Jun 22 18:29:00 sindys-S935 kernel: [ 452.871049] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled Jun 22 18:29:00 sindys-S935 kernel: [ 452.871597] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <info> WiFi now enabled by radio killswitch Jun 22 18:29:00 sindys-S935 wpa_supplicant[1013]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (none) none Jun 22 18:29:00 sindys-S935 wpa_supplicant[1013]: dbus: Failed to construct signal Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <warn> could not get interface properties: No readable properties in this interface. Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: starting -> ready Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] Jun 22 18:29:00 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-SCAN-STARTED Jun 22 18:29:00 sindys-S935 NetworkManager[741]: <warn> could not get interface properties: No readable properties in this interface. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Auto-activating connection 'dax'. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) starting connection 'dax' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: disconnected -> prepare (reason 'none') [30 40 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> NetworkManager state is now CONNECTING Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: prepare -> config (reason 'none') [40 50 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0/wireless): connection 'dax' has security, and secrets exist. No new secrets needed. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: added 'ssid' value 'dax' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: added 'scan_ssid' value '1' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: added 'key_mgmt' value 'WPA-PSK' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: added 'auth_alg' value 'OPEN' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: added 'psk' value '<omitted>' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: ready -> inactive Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Config: set interface ap_scan to 1 Jun 22 18:29:04 sindys-S935 kernel: [ 456.367186] wlan0: authenticate with 88:25:2c:cc:48:7a Jun 22 18:29:04 sindys-S935 wpa_supplicant[1013]: wlan0: SME: Trying to authenticate with 88:25:2c:cc:48:7a (SSID='dax' freq=2442 MHz) Jun 22 18:29:04 sindys-S935 kernel: [ 456.373318] wlan0: send auth to 88:25:2c:cc:48:7a (try 1/3) Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: inactive -> authenticating Jun 22 18:29:04 sindys-S935 wpa_supplicant[1013]: wlan0: Trying to associate with 88:25:2c:cc:48:7a (SSID='dax' freq=2442 MHz) Jun 22 18:29:04 sindys-S935 kernel: [ 456.375754] wlan0: authenticated Jun 22 18:29:04 sindys-S935 kernel: [ 456.378255] wlan0: associate with 88:25:2c:cc:48:7a (try 1/3) Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: authenticating -> associating Jun 22 18:29:04 sindys-S935 kernel: [ 456.403461] wlan0: RX AssocResp from 88:25:2c:cc:48:7a (capab=0x411 status=0 aid=2) Jun 22 18:29:04 sindys-S935 kernel: [ 456.409915] wlan0: associated Jun 22 18:29:04 sindys-S935 kernel: [ 456.409968] cfg80211: Calling CRDA for country: US Jun 22 18:29:04 sindys-S935 wpa_supplicant[1013]: wlan0: Associated with 88:25:2c:cc:48:7a Jun 22 18:29:04 sindys-S935 kernel: [ 456.411957] cfg80211: Regulatory domain changed to country: US Jun 22 18:29:04 sindys-S935 kernel: [ 456.411960] cfg80211: DFS Master region: FCC Jun 22 18:29:04 sindys-S935 kernel: [ 456.411961] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411963] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm), (N/A) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411964] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm), (N/A) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411966] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (0 s) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411967] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (0 s) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411968] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (0 s) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411969] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm), (N/A) Jun 22 18:29:04 sindys-S935 kernel: [ 456.411970] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A) Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: associating -> 4-way handshake Jun 22 18:29:04 sindys-S935 wpa_supplicant[1013]: wlan0: WPA: Key negotiation completed with 88:25:2c:cc:48:7a [PTK=CCMP GTK=CCMP] Jun 22 18:29:04 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-CONNECTED - Connection to 88:25:2c:cc:48:7a completed [id=0 id_str=] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: 4-way handshake -> completed Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'dax'. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: config -> ip-config (reason 'none') [50 70 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds) Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> dhclient started with pid 2062 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): DHCPv4 state changed nbi -> preinit Jun 22 18:29:04 sindys-S935 dhclient: DHCPREQUEST of 192.168.0.207 on wlan0 to 255.255.255.255 port 67 (xid=0x18729646) Jun 22 18:29:04 sindys-S935 dhclient: DHCPACK of 192.168.0.207 from 192.168.0.1 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): DHCPv4 state changed preinit -> reboot Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> address 192.168.0.207 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> plen 24 (255.255.255.0) Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> gateway 192.168.0.1 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> server identifier 192.168.0.1 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> lease time 86400 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> nameserver '192.168.0.1' Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled... Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started... Jun 22 18:29:04 sindys-S935 avahi-daemon[715]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.0.207. Jun 22 18:29:04 sindys-S935 avahi-daemon[715]: New relevant interface wlan0.IPv4 for mDNS. Jun 22 18:29:04 sindys-S935 avahi-daemon[715]: Registering new address record for 192.168.0.207 on wlan0.IPv4. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: ip-config -> ip-check (reason 'none') [70 80 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete. Jun 22 18:29:04 sindys-S935 dhclient: bound to 192.168.0.207 -- renewal in 39450 seconds. Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: ip-check -> secondaries (reason 'none') [80 90 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: secondaries -> activated (reason 'none') [90 100 0] Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> NetworkManager state is now CONNECTED_LOCAL Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> NetworkManager state is now CONNECTED_GLOBAL Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Policy set 'dax' (wlan0) as default for IPv4 routing and DNS. Jun 22 18:23:18 sindys-S935 whoopsie[711]: [18:23:18] Cannot reach: https://daisy.ubuntu.com Jun 22 18:29:04 sindys-S935 whoopsie[711]: [18:29:04] Cannot reach: https://daisy.ubuntu.com Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Writing DNS information to /sbin/resolvconf Jun 22 18:29:04 sindys-S935 dnsmasq[1512]: vorgelagerte Server von DBus gesetzt Jun 22 18:29:04 sindys-S935 dnsmasq[1512]: Benutze Namensserver 192.168.0.1#53 Jun 22 18:29:04 sindys-S935 NetworkManager[741]: <info> Activation (wlan0) successful, device activated. Jun 22 18:29:04 sindys-S935 dbus[760]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' Jun 22 18:29:04 sindys-S935 systemd[1]: Starting Network Manager Script Dispatcher Service... Jun 22 18:29:04 sindys-S935 dbus[760]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Jun 22 18:29:04 sindys-S935 systemd[1]: Started Network Manager Script Dispatcher Service. Jun 22 18:29:04 sindys-S935 nm-dispatcher: Dispatching action 'up' for wlan0 Jun 22 18:29:04 sindys-S935 whoopsie[711]: [18:29:04] The default IPv4 route is: /org/freedesktop/NetworkManager/ActiveConnection/2 Jun 22 18:29:04 sindys-S935 whoopsie[711]: [18:29:04] Not a paid data plan: /org/freedesktop/NetworkManager/ActiveConnection/2 Jun 22 18:29:04 sindys-S935 whoopsie[711]: [18:29:04] Found usable connection: /org/freedesktop/NetworkManager/ActiveConnection/2 Jun 22 18:29:05 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-DISCONNECTED bssid=88:25:2c:cc:48:7a reason=4 locally_generated=1 Jun 22 18:29:05 sindys-S935 NetworkManager[741]: <warn> Connection disconnected (reason -4) Jun 22 18:29:05 sindys-S935 kernel: [ 457.639773] cfg80211: Calling CRDA to update world regulatory domain Jun 22 18:29:05 sindys-S935 kernel: [ 457.642453] cfg80211: World regulatory domain updated: Jun 22 18:29:05 sindys-S935 kernel: [ 457.642456] cfg80211: DFS Master region: unset Jun 22 18:29:05 sindys-S935 kernel: [ 457.642457] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) Jun 22 18:29:05 sindys-S935 kernel: [ 457.642459] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) Jun 22 18:29:05 sindys-S935 kernel: [ 457.642461] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) Jun 22 18:29:05 sindys-S935 kernel: [ 457.642462] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) Jun 22 18:29:05 sindys-S935 kernel: [ 457.642463] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) Jun 22 18:29:05 sindys-S935 kernel: [ 457.642464] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) Jun 22 18:29:05 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: completed -> disconnected Jun 22 18:29:05 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-SCAN-STARTED Jun 22 18:29:05 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: disconnected -> scanning Jun 22 18:29:05 sindys-S935 avahi-daemon[715]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::3602:86ff:fe68:e070. Jun 22 18:29:05 sindys-S935 avahi-daemon[715]: New relevant interface wlan0.IPv6 for mDNS. Jun 22 18:29:05 sindys-S935 avahi-daemon[715]: Registering new address record for fe80::3602:86ff:fe68:e070 on wlan0.*. Jun 22 18:29:09 sindys-S935 wpa_supplicant[1013]: wlan0: SME: Trying to authenticate with 88:25:2c:cc:48:7a (SSID='dax' freq=2442 MHz) Jun 22 18:29:09 sindys-S935 kernel: [ 461.165422] wlan0: authenticate with 88:25:2c:cc:48:7a Jun 22 18:29:09 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: scanning -> authenticating Jun 22 18:29:09 sindys-S935 kernel: [ 461.172168] wlan0: send auth to 88:25:2c:cc:48:7a (try 1/3) Jun 22 18:29:09 sindys-S935 kernel: [ 461.225998] wlan0: send auth to 88:25:2c:cc:48:7a (try 2/3) Jun 22 18:29:09 sindys-S935 kernel: [ 461.302324] wlan0: send auth to 88:25:2c:cc:48:7a (try 3/3) Jun 22 18:29:09 sindys-S935 kernel: [ 461.363218] wlan0: authentication with 88:25:2c:cc:48:7a timed out Jun 22 18:29:09 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: authenticating -> disconnected Jun 22 18:29:09 sindys-S935 wpa_supplicant[1013]: wlan0: CTRL-EVENT-SCAN-STARTED Jun 22 18:29:09 sindys-S935 NetworkManager[741]: <info> (wlan0): supplicant interface state: disconnected -> scanning Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <warn> (wlan0): link timed out. Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: activated -> failed (reason 'ssid-not-found') [100 120 53] Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <info> NetworkManager state is now CONNECTED_LOCAL Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <info> NetworkManager state is now DISCONNECTED Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <warn> Activation (wlan0) failed for connection 'dax' Jun 22 18:29:20 sindys-S935 nm-dispatcher: Dispatching action 'down' for wlan0 Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <info> (wlan0): device state change: failed -> disconnected (reason 'none') [120 30 0] Jun 22 18:29:20 sindys-S935 NetworkManager[741]: <info> (wlan0): deactivating device (reason 'none') [0]