Hi,
habe auf einem Lenovo Flex 2-14 Ubuntu 14.04 aufgespielt und habe das Problem, dass obwohl der Network-Manager die Verbindung zum Internet über WLAN anzeigt, ich immer wieder nicht verbinden kann. Nach dem Start des Laptops geht es immer noch aber dann irgendwann funktioniert die Verbindung einfach nicht mehr. Ein Neustart des Network-Manager hilft leider auch nicht.
Welche Informationen braucht ihr, um mir helfen zu können?
Viele Grüße, NGJamy
uname -a
Linux R2D2 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
lspci -nnk | grep -i net -A2
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723] Subsystem: Lenovo Device [17aa:b736] Kernel driver in use: rtl8723be 03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10) Subsystem: Lenovo Device [17aa:3810] Kernel driver in use: r8169
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 127.0.1.1 search fritz.box
cat /etc/hosts
127.0.0.1 localhost 127.0.1.1 R2D2 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters } ifconfig -a {{{ eth0 Link encap:Ethernet Hardware Adresse 54:ee:75:11:f7:6d UP BROADCAST MULTICAST MTU:1500 Metrik:1 RX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:0 (0.0 B) TX-Bytes:0 (0.0 B) lo Link encap:Lokale Schleife inet Adresse:127.0.0.1 Maske:255.0.0.0 inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine UP LOOPBACK RUNNING MTU:65536 Metrik:1 RX-Pakete:299 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:299 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:0 RX-Bytes:24945 (24.9 KB) TX-Bytes:24945 (24.9 KB) wlan0 Link encap:Ethernet Hardware Adresse 14:2d:27:3e:55:27 inet Adresse:192.168.178.25 Bcast:192.168.178.255 Maske:255.255.255.0 inet6-Adresse: fe80::162d:27ff:fe3e:5527/64 Gültigkeitsbereich:Verbindung UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1 RX-Pakete:2368 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:2098 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:1486157 (1.4 MB) TX-Bytes:450857 (450.8 KB)
iwconfig
eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"Lustpalast" Mode:Managed Frequency:2.462 GHz Access Point: 9C:C7:A6:FA:BF:3B Bit Rate=150 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr=2347 B Fragment thr:off Power Management:off Link Quality=48/70 Signal level=-62 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:13 Missed beacon:0
route -n
Kernel-IP-Routentabelle Ziel Router Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.178.1 0.0.0.0 UG 0 0 0 wlan0 192.168.178.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0
cat /var/lib/NetworkManager/NetworkManager.state
[main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true
cat /etc/NetworkManager/NetworkManager.conf
[main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=false
cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3
# PCI device 0x10ec:0x8168 (r8169) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="54:ee:75:11:f7:6d", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x10ec:0xb723 (rtl8723be) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="14:2d:27:3e:55:27", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
rfkill list
0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: no Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no
lsmod
Module Size Used by ctr 13049 1 ccm 17773 1 bnep 19624 2 rfcomm 69160 8 nls_iso8859_1 12713 1 hid_multitouch 17407 0 snd_hda_codec_realtek 65580 1 snd_hda_codec_hdmi 46368 1 usbhid 52570 0 hid 106148 2 hid_multitouch,usbhid uvcvideo 80885 0 videobuf2_vmalloc 13216 1 uvcvideo videobuf2_memops 13362 1 videobuf2_vmalloc videobuf2_core 40664 1 uvcvideo videodev 134688 2 uvcvideo,videobuf2_core arc4 12608 2 intel_rapl 18773 0 x86_pkg_temp_thermal 14205 0 intel_powerclamp 14705 0 coretemp 13435 0 kvm 451511 0 rtl8723be 85118 0 btcoexist 50304 1 rtl8723be rtl8723_common 23361 1 rtl8723be crct10dif_pclmul 14289 0 crc32_pclmul 13113 0 ghash_clmulni_intel 13216 0 rtl_pci 26690 1 rtl8723be cryptd 20359 1 ghash_clmulni_intel rtlwifi 63475 2 rtl_pci,rtl8723be snd_seq_midi 13324 0 snd_seq_midi_event 14899 1 snd_seq_midi mac80211 630653 3 rtl_pci,rtlwifi,rtl8723be snd_hda_intel 56451 5 snd_hda_codec 192906 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13602 1 snd_hda_codec snd_pcm 102099 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel joydev 17381 0 snd_page_alloc 18710 2 snd_pcm,snd_hda_intel serio_raw 13462 0 snd_rawmidi 30144 1 snd_seq_midi snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 29482 2 snd_pcm,snd_seq snd 69322 21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi cfg80211 484040 2 mac80211,rtlwifi lpc_ich 21080 0 mei_me 18627 0 mei 82276 1 mei_me btusb 32412 0 bluetooth 391136 22 bnep,btusb,rfcomm i915 783805 6 drm_kms_helper 53081 1 i915 drm 303102 5 i915,drm_kms_helper soundcore 12680 1 snd i2c_algo_bit 13413 1 i915 wmi 19177 0 ideapad_laptop 18216 0 sparse_keymap 13948 1 ideapad_laptop video 19476 1 i915 mac_hid 13205 0 parport_pc 32701 0 ppdev 17671 0 lp 17759 0 parport 42348 3 lp,ppdev,parport_pc psmouse 106678 0 r8169 67581 0 mii 13934 1 r8169 ahci 25819 3 libahci 32716 1 ahci
iwlist chan
eth0 no frequency information. lo no frequency information. wlan0 13 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz Current Frequency:2.462 GHz (Channel 11)
sudo iwlist scan
eth0 Interface doesn't support scanning. lo Interface doesn't support scanning. wlan0 Scan completed : Cell 01 - Address: 9C:C7:A6:FA:BF:3B Channel:11 Frequency:2.462 GHz (Channel 11) Quality=50/70 Signal level=-60 dBm Encryption key:on ESSID:"Lustpalast" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s 9 Mb/s; 12 Mb/s; 18 Mb/s Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=00000486b5d3051d Extra: Last beacon: 8ms ago IE: Unknown: 000A4C75737470616C617374 IE: Unknown: 010882848B960C121824 IE: Unknown: 03010B IE: Unknown: 0706444520010D14 IE: Unknown: 2A0102 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: 2D1ACE111BFFFF000000000000000000000000000000000000000000 IE: Unknown: 331ACE111BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D160B071500000000000000000000000000000000000000 IE: Unknown: 34160B071500000000000000000000000000000000000000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0C00040E010102010000000000 IE: Unknown: DD650050F204104A0001101044000102103B00010310470010E69D74065657A09E032B9CC7A6FABF101021000341564D1023000446426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800020188103C000103