Hi,
ich habe ein Thinkpad T510 mit Ubuntu 12.04.
Ich habe das Problem, dass das WLAN nach einigen Stunden Arbeit ohne erkenntlichen Grund einfach weg ist. Ubuntu versucht sich mit meiner Fritzbox regelmaessig zu verbinden und bietet mir nach erfolglosen Versuchen den WLAN-Password-Dialog an. Es klappt aber nicht.
Die Fritzbox und auch die Router in der Nachbarschaft zeigt mein T510 an, nur verbinden geht irgendwie nicht. An der Fritzbox liegt es nicht, weil alle Geraete im Haus tadellos funktionieren.
Auch ist das Problem nach einem Neustart von Ubuntu beseitigt. Unter Windows hab ich das Problem nicht – ich nehme an es ist ein Treiberproblem?
Wenn ich mich richtig erinnere hab ich nie etwas daran rumgefummelt, ausser uebers Softwarecenter Sachen zu installieren. Aber an den Treibern hab ich glaub ich nichts gemacht.
vielen Dank, sb
lspci -nnk | grep -i net -A2
00:19.0 Ethernet controller [0200]: Intel Corporation 82577LM Gigabit Network Connection [8086:10ea] (rev 06) Subsystem: Lenovo Device [17aa:2153] Kernel driver in use: e1000e -- 03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller [10ec:8172] (rev 10) Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:e020] Kernel driver in use: rtl8192selsmod
Module Size Used by nls_iso8859_1 12617 0 nls_cp437 12751 0 vfat 17308 0 fat 55605 1 vfat nls_utf8 12493 0 hfsplus 83507 0 uas 17699 0 usb_storage 39646 0 pci_stub 12550 1 vboxpci 22882 0 vboxnetadp 13328 0 vboxnetflt 27211 0 vboxdrv 252188 3 vboxpci,vboxnetadp,vboxnetflt parport_pc 32114 0 ppdev 12849 0 rfcomm 38139 0 bnep 17830 2 binfmt_misc 17292 1 snd_hda_codec_hdmi 31775 1 snd_hda_codec_conexant 52365 1 joydev 17393 0 btusb 17912 0 bluetooth 158438 11 rfcomm,bnep,btusb arc4 12473 2 mxm_wmi 12859 0 uvcvideo 67203 0 videodev 86588 1 uvcvideo thinkpad_acpi 73942 0 snd_hda_intel 32765 3 snd_hda_codec 109562 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel snd_hwdep 13276 1 snd_hda_codec snd_pcm 80845 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13132 0 snd_rawmidi 25424 1 snd_seq_midi intel_ips 17753 0 psmouse 72919 0 serio_raw 13027 0 rtl8192se 94189 0 rtlwifi 95804 1 rtl8192se snd_seq_midi_event 14475 1 snd_seq_midi mac80211 436455 2 rtl8192se,rtlwifi cfg80211 178679 2 rtlwifi,mac80211 snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event snd_timer 28931 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq snd 62064 17 snd_hda_codec_hdmi,snd_hda_codec_conexant,thinkpad_acpi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device nvram 14029 1 thinkpad_acpi soundcore 14635 1 snd snd_page_alloc 14108 2 snd_hda_intel,snd_pcm tpm_tis 18308 0 i915 414603 8 drm_kms_helper 45466 1 i915 drm 197692 4 i915,drm_kms_helper wmi 18744 1 mxm_wmi mei 36570 0 mac_hid 13077 0 i2c_algo_bit 13199 1 i915 video 19068 1 i915 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp usbhid 41906 0 hid 77367 1 usbhid firewire_ohci 40172 0 firewire_core 56906 1 firewire_ohci crc_itu_t 12627 1 firewire_core sdhci_pci 18324 0 sdhci 28241 1 sdhci_pci e1000e 140005 0iwlist chan
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=2.422 GHz (Channel 3) eth0 no frequency information.sudo iwlist scan
lo Interface doesn't support scanning. wlan0 Scan completed : Cell 01 - Address: C0:25:06:44:0E:0E Channel:3 Frequency:2.422 GHz (Channel 3) Quality=70/70 Signal level=-39 dBm Encryption key:on ESSID:"MyNetwork" 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=0000000016b16180 Extra: Last beacon: 340ms ago IE: Unknown: 000C4C6F73742047756172646961 IE: Unknown: 010882848B968C129824 IE: Unknown: 030103 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: 3204B048606C IE: Unknown: 2D1ACE111BFFFF000000000000000000000000000000000000000000 IE: Unknown: 331ACE111BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1603051500000000000000000000000000000000000000 IE: Unknown: 341603051500000000000000000000000000000000000000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F Cell 02 - Address: C0:25:06:9D:A8:0F Channel:1 Frequency:2.412 GHz (Channel 1) Quality=70/70 Signal level=-36 dBm Encryption key:on ESSID:"" 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=00000003a15d3180 Extra: Last beacon: 828ms ago IE: Unknown: 0000 IE: Unknown: 010882848B960C121824 IE: Unknown: 030101 IE: Unknown: 050400010000 IE: Unknown: 2A0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: DD180050F2020101020003A4000027A4000042435E0062322F00 IE: Unknown: 2D1A4E101BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D16010D0800000000000000000000000000000000000000 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010000000000 Cell 03 - Address: BC:05:43:94:57:70 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=70/70 Signal level=-36 dBm Encryption key:on ESSID:"Vanillekipferl" 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=0000000028c58180 Extra: Last beacon: 820ms ago IE: Unknown: 000E56616E696C6C656B69706665726C IE: Unknown: 010882848B960C121824 IE: Unknown: 030101 IE: Unknown: 050400010000 IE: Unknown: 2A0102 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: DD180050F20201018F0003A4000027A4000042435E0062322F00 IE: Unknown: 2D1ACE131BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D16010D0A00000000000000000000000000000000000000 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010020000000 IE: Unknown: DD0E0050F204104A0001101044000102 Cell 04 - Address: 00:1F:3F:A6:76:F3 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=70/70 Signal level=-37 dBm Encryption key:on ESSID:"FRITZ!Box Fon WLAN 7240" 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=000000007208383d Extra: Last beacon: 816ms ago IE: Unknown: 0017465249545A21426F7820466F6E20574C414E2037323430 IE: Unknown: 010882848B960C121824 IE: Unknown: 030101 IE: Unknown: 050400010010 IE: Unknown: 2A0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00 IE: Unknown: 2D1A4E101BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1601051900000000000000000000000000000000000000 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010020000000 IE: Unknown: DD0E0050F204104A0001101044000102 Cell 05 - Address: C0:25:06:A0:4B:D7 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=70/70 Signal level=-37 dBm Encryption key:on ESSID:"FRITZ!Box Fon WLAN 7320" 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=000000002114c180 Extra: Last beacon: 772ms ago IE: Unknown: 0017465249545A21426F7820466F6E20574C414E2037333230 IE: Unknown: 010882848B960C121824 IE: Unknown: 030101 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: 2A0100 IE: Unknown: 32043048606C IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00 IE: Unknown: 2D1ACE131BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D16010D0800000000000000000000000000000000000000 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010020000000 IE: Unknown: DD6A0050F204104A0001101044000102103B00010010470010640AEB1050B93BDF6919421B68FCD5491021000341564D10230009465249545A21426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800020188103C000103 Cell 06 - Address: 00:1A:4F:95:AB:E8 Channel:6 Frequency:2.437 GHz (Channel 6) Quality=70/70 Signal level=-39 dBm Encryption key:on ESSID:"Wlan Home" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=000000011b22d235 Extra: Last beacon: 428ms ago IE: Unknown: 0009576C616E20486F6D65 IE: Unknown: 010482848B96 IE: Unknown: 030106 IE: Unknown: 2A0107 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32080C1218243048606C IE: Unknown: DD0A0800280101000200FF0F IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 Cell 07 - Address: 00:23:08:46:3C:34 Channel:7 Frequency:2.442 GHz (Channel 7) Quality=70/70 Signal level=-39 dBm Encryption key:on ESSID:"EasyBox-463C12" 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 Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=0000031e2d1c87a8 Extra: Last beacon: 452ms ago IE: Unknown: 000E45617379426F782D343633433132 IE: Unknown: 010882848B961224486C IE: Unknown: 030107 IE: Unknown: 32040C183060 IE: Unknown: 0706444520010D14 IE: Unknown: 33082001020304050607 IE: Unknown: 33082105060708090A0B IE: Unknown: DD0E0050F204104A0001101044000102 IE: Unknown: 050400010000 IE: Unknown: 2A0104 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D1607070500000000000000000000000000000000000000 IE: Unknown: 7F0101 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : TKIP CCMP Authentication Suites (1) : PSK IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : TKIP CCMP Authentication Suites (1) : PSK Preauthentication Supported IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 0B050001037A12 IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C3407070500000000000000000000000000000000000000 Cell 08 - Address: 00:1F:3F:15:94:7B Channel:11 Frequency:2.462 GHz (Channel 11) Quality=70/70 Signal level=-40 dBm Encryption key:on ESSID:"WLAN-001F3F15947B" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=0000075e9af493f8 Extra: Last beacon: 176ms ago IE: Unknown: 0011574C414E2D303031463346313539343742 IE: Unknown: 010482848B96 IE: Unknown: 03010B IE: Unknown: 2A0107 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32080C1218243048606C IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD0A0800280101000200FF0F IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 Cell 09 - Address: 74:31:70:73:37:82 Channel:11 Frequency:2.462 GHz (Channel 11) Quality=70/70 Signal level=-40 dBm Encryption key:on ESSID:"WLAN-733790" 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=000003bf660ae184 Extra: Last beacon: 232ms ago eth0 Interface doesn't support scanning.