Hallo, meine Frau hat einen neuen Acer Aspire V3-371-37T9 mit Linux und Win 8.1 parallel installiert.
Ich habe nun folgendes Problem: Gelegentlich setzt überraschend die Internetverbindung in Ubuntu aus. Windows funktioniert problemlos. Auch mein Rechner (ebenfalls Ubuntu 14.10, gleiches WLAN-Netzwerk) funktioniert problemlos. Es kann auch passieren, dass das Wlan wieder langsam geht.
Gerade vorhin hatte ich folgenden Ping:
ping -c 2 www.ubuntuusers.de: ping: unknown host www.ubuntuusers.de ca 2 min später: ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data. 64 bytes from 213.95.41.4: icmp_seq=1 ttl=55 time=19.2 ms 64 bytes from 213.95.41.4: icmp_seq=2 ttl=55 time=19.4 ms einige Minuten später: PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data. 64 bytes from 213.95.41.4: icmp_seq=1 ttl=55 time=20.9 ms 64 bytes from 213.95.41.4: icmp_seq=2 ttl=55 time=489 ms
Ich versuche mal eine Sammlung der wichtigsten Infos: Router: Speedport W724V. Zugang über WLan Netzwerk T-Online verbindung
Kernel:
uname -a Linux evi-Aspire-V3-371 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
PCMCI:
lspci -nnk | grep -i net -A2 02:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a] (rev 3b) Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5010] Kernel driver in use: iwlwifi
Netzwerkkonfiguration des Systems:
~$ cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback evi@evi-Aspire-V3-371:~$ 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 Speedport_W_724V_01011602_00_001 ~$ cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 evi-Aspire-V3-371 # 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
Konfiguration Netzwerkmanager
cat /var/lib/NetworkManager/NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true evi@evi-Aspire-V3-371:~$ cat /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=false
Schnittstellen:
cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3 # PCI device 0x8086:0x095a (iwlwifi) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="60:57:18:17:04:17", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
WLAN-Infos
~$ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no lsmod Module Size Used by cfg80211 510218 3 iwlwifi,mac80211,iwlmvm sudo iwlist scan Cell 01 - Address: 84:9C:A6:FC:DF:17 Channel:6 Frequency:2.437 GHz (Channel 6) Quality=56/70 Signal level=-54 dBm Encryption key:on ESSID:"WLAN-720050" 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=000000c2b4800815 Extra: Last beacon: 76ms ago IE: Unknown: 000B574C414E2D373230303530 IE: Unknown: 010882848B962430486C IE: Unknown: 030106 IE: Unknown: 0706444520010D14 IE: Unknown: 2A0100 IE: Unknown: 2F0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32040C121860 IE: Unknown: 2D1AFE181FFFFF000001000000000000000000000000000000000000 IE: Unknown: 3D16060F1600000000000000000000000000000000000000 IE: Unknown: 4A0E14000A002C01C800140005001900 IE: Unknown: 7F0101 IE: Unknown: DD740050F204104A0001101044000102103B000103104700103360C5248C669C6A5C5CF13CBC24E2C510210008415243414459414E10230005445437323410240003312E30104200033838381054000800060050F2040001101100054454373234100800020680103C0001031049000600372A000120 IE: Unknown: DD090010180203000C0000 IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 iwlist chan eth0 no frequency information. wlan0 32 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 Channel 36 : 5.18 GHz Channel 40 : 5.2 GHz Channel 44 : 5.22 GHz Channel 48 : 5.24 GHz Channel 52 : 5.26 GHz Channel 56 : 5.28 GHz Channel 60 : 5.3 GHz Channel 64 : 5.32 GHz Channel 100 : 5.5 GHz Channel 104 : 5.52 GHz Channel 108 : 5.54 GHz Channel 112 : 5.56 GHz Channel 116 : 5.58 GHz Channel 120 : 5.6 GHz Channel 124 : 5.62 GHz Channel 128 : 5.64 GHz Channel 132 : 5.66 GHz Channel 136 : 5.68 GHz Channel 140 : 5.7 GHz Current Frequency:2.437 GHz (Channel 6) lo no frequency information.
Hat jemand eine Idee?