Ich habe mir jetzt einen Hub mit Netzanschluss gekauft, aber das alte Problem besteht weiterhin.
Die Verbindung wird aufgebaut, steht für einige Minuten, die Seiten können wieder nicht aufgebaut werden, obwohl das WLAN-Symbol noch eine Verbindung anzeigt, und wenn ich die Verbindung ausschalte, kann sich der PC nicht wieder verbinden.
Wenn ich den USB-Port wechsle, beginnt das alles wieder von vorne.
Ich habe den PC in die Reparatur gegeben, da wurde er gründlich geprüft, es wurde nichts gefunden. Dort wurde der PC mit den gleichen WLAN-Geräten mehrere Stunden lang verwendet, es gab keine Probleme.
Ich verwende im selben Netzwerk ein Netbook, das die selbe Lubuntu-Version installiert hat. Es läuft ohne Porbleme. Ander Endgeräte im selben Netzwerk laufen einwandfrei.
Ich bin jetzt ziemlich am Ende und werde dann aufgeben, aber vielleicht kann ja noch jemand anhand der Terminalausgaben was erkennen (es handelt sich um einen anderen PC als bei meinem ersten Eintrag):
uname -a
Linux maxkraft-desktop 3.19.0-16-generic #16-Ubuntu SMP Thu Apr 30 16:13:00 UTC 2015 i686 athlon i686 GNU/Linux
lspci -nnk | grep -i net -A2
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 01)
Subsystem: ASRock Incorporation Motherboard (one of many) [1849:8168]
Kernel driver in use: r8169
lsusb
Bus 001 Device 015: ID 046d:c52e Logitech, Inc.
Bus 001 Device 014: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 017: ID 050d:845a Belkin Components F7D2101 802.11n Surf & Share Wireless Adapter v1000 [Realtek RTL8192SU]
Bus 001 Device 012: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
lsusb
Bus 001 Device 015: ID 046d:c52e Logitech, Inc.
Bus 001 Device 014: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 017: ID 050d:845a Belkin Components F7D2101 802.11n Surf & Share Wireless Adapter v1000 [Realtek RTL8192SU]
Bus 001 Device 012: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
maxkraft@maxkraft-desktop:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
maxkraft@maxkraft-desktop:~$ 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 maxkraft-desktop
# 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 00:25:22:ca:42:53
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:3793 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:3793 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX-Bytes:338413 (338.4 KB) TX-Bytes:338413 (338.4 KB)
wlan0 Link encap:Ethernet Hardware Adresse ec:1a:59:4d:1a:34
inet Adresse:192.168.178.22 Bcast:192.168.178.255 Maske:255.255.255.0
inet6-Adresse: fe80::ee1a:59ff:fe4d:1a34/64 Gültigkeitsbereich:Verbindung
UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1
RX-Pakete:4753 Fehler:0 Verloren:615 Überläufe:0 Fenster:0
TX-Pakete:3284 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX-Bytes:5813011 (5.8 MB) TX-Bytes:397541 (397.5 KB)
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}=="00:25:22:ca:42:53", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# USB device 0x:0x (r8712u)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="ec:1a:59:4d:1a:34", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
~$ ping -c 2 213.95.41.11
PING 213.95.41.11 (213.95.41.11) 56(84) bytes of data.
--- 213.95.41.11 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1006ms
lsmod
Module Size Used by
pci_stub 16384 1
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 311296 3 vboxnetadp,vboxnetflt,vboxpci
cfg80211 462848 0
r8712u 163840 0
snd_hda_codec_hdmi 49152 4
snd_hda_codec_realtek 73728 1
joydev 20480 0
snd_wavefront 36864 0
nouveau 1241088 3
snd_hda_codec_generic 65536 1 snd_hda_codec_realtek
kvm_amd 53248 0
snd_cs4236 32768 0
snd_hda_intel 32768 1
snd_hda_controller 32768 1 snd_hda_intel
snd_hda_codec 122880 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
kvm 417792 1 kvm_amd
snd_opl3_lib 20480 2 snd_wavefront,snd_cs4236
snd_wss_lib 32768 2 snd_wavefront,snd_cs4236
snd_hwdep 16384 3 snd_wavefront,snd_hda_codec,snd_opl3_lib
snd_pcm 94208 6 snd_hda_codec_hdmi,snd_wss_lib,snd_hda_codec,snd_hda_intel,snd_hda_controller,snd_cs4236
edac_core 49152 0
edac_mce_amd 24576 0
snd_mpu401_uart 16384 2 snd_wavefront,snd_cs4236
k8temp 16384 0
serio_raw 16384 0
mxm_wmi 16384 1 nouveau
snd_seq_midi 16384 0
wmi 20480 2 mxm_wmi,nouveau
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 28672 3 snd_wavefront,snd_mpu401_uart,snd_seq_midi
video 20480 1 nouveau
ttm 86016 1 nouveau
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 4 snd_seq,snd_rawmidi,snd_opl3_lib,snd_seq_midi
snd_timer 28672 4 snd_wss_lib,snd_pcm,snd_seq,snd_opl3_lib
drm_kms_helper 106496 1 nouveau
drm 286720 6 ttm,drm_kms_helper,nouveau
snd 69632 18 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_wss_lib,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_wavefront,snd_hda_codec,snd_hda_intel,snd_mpu401_uart,snd_seq_device,snd_cs4236,snd_opl3_lib
ns558 16384 0
soundcore 16384 2 snd,snd_hda_codec
i2c_algo_bit 16384 1 nouveau
gameport 16384 1 ns558
8250_fintek 16384 0
shpchp 32768 0
i2c_piix4 20480 0
ati_agp 16384 0
mac_hid 16384 0
parport_pc 32768 1
ppdev 20480 0
lp 20480 0
parport 40960 3 lp,ppdev,parport_pc
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 98304 2 hid_generic,usbhid
pata_acpi 16384 0
psmouse 106496 0
pata_atiixp 16384 0
ahci 28672 2
r8169 77824 0
libahci 32768 1 ahci
mii 16384 1 r8169
iwlist chan
wlan0 14 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 14 : 2.484 GHz
Current Frequency=2.432 GHz (Channel 5)
lo no frequency information.
eth0 no frequency information.
sudo iwlist scan
wlan0 Scan completed :
Cell 01 - Address: C0:25:06:AC:EF:F8
ESSID:"im_with_stupid"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.432 GHz (Channel 5)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD0E0050F204104A0001101044000102
Signal level=100/100
Cell 02 - Address: 7C:4F:B5:10:C7:EC
ESSID:"ALICE-WLAN09"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD900050F204104A00011010440001021041000100103B00010310470010000000000000000300007C4FB510C7EC1021000848616E73654E657410230008415237353035535710240007312E30302E31361042000A313031313034303530391054000800060050F20400011011001D48616E73654E657420576972656C65737320526F757465722857464129100800020084
Signal level=58/100
Cell 03 - Address: 7C:4F:B5:D7:A6:CD
ESSID:"ALICE-WLAN61"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD900050F204104A00011010440001021041000100103B00010310470010000000000000000300007C4FB5D7A6CD1021000848616E73654E657410230008415237353035535710240007312E30302E31361042000A313036313031323636311054000800060050F20400011011001D48616E73654E657420576972656C65737320526F757465722857464129100800020084
Signal level=58/100
Cell 04 - Address: 08:96:D7:82:EC:39
ESSID:"Bergblume"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd160050f20101000050f20201000050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30140100000fac020100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001031049000600372A000120
Signal level=42/100
Cell 05 - Address: 34:6B:D3:81:84:2F
ESSID:"WLAN-842F00"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD270050F204104A000110104400010210470010F54F343A761F171428161FCA5D0734C0103C000103
Signal level=42/100
Cell 06 - Address: 0E:96:D7:82:EC:39
ESSID:"FRITZ!Box Gastzugang"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd160050f20101000050f20201000050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30140100000fac020100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Signal level=7/100
Cell 07 - Address: 08:96:D7:03:BC:6D
ESSID:"gueldenreich"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd160050f20101000050f20201000050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30140100000fac020100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001031049000600372A000120
Signal level=10/100
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.