I updated to the kernel 3.17-rc6. The problem persisted. Here the dmesg output: 55.760002] init: gdm main process (2274) killed by TERM signal [ 438.174854] wlan0: deauthenticated from 00:1f:3f:d0:95:b3 (Reason: 6=CLASS2_FRAME_FROM_NONAUTH_STA) [ 438.200403] cfg80211: Calling CRDA to update world regulatory domain [ 438.214870] wlan0: authenticate with 00:1f:3f:d0:95:b3 [ 438.218467] wlan0: send auth to 00:1f:3f:d0:95:b3 (try 1/3) [ 438.220605] wlan0: authenticated [ 438.220743] cfg80211: World regulatory domain updated: [ 438.220747] cfg80211: DFS Master region: unset [ 438.220750] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 438.220754] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 438.220758] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 438.220761] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 438.220764] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 438.220768] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 438.224150] wlan0: associate with 00:1f:3f:d0:95:b3 (try 1/3) [ 438.228102] wlan0: RX AssocResp from 00:1f:3f:d0:95:b3 (capab=0x431 status=0 aid=1) [ 438.231393] wlan0: associated [ 534.965330] wlan0: deauthenticated from 00:1f:3f:d0:95:b3 (Reason: 6=CLASS2_FRAME_FROM_NONAUTH_STA) [ 534.986844] cfg80211: Calling CRDA to update world regulatory domain [ 535.023047] cfg80211: World regulatory domain updated: [ 535.023055] cfg80211: DFS Master region: unset [ 535.023060] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 535.023068] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 535.023075] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 535.023081] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 535.023087] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 535.023093] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1372616 Title: iwlwifi Intel Centrino Advanced-N 6230 Wifi disconnects Status in “linux” package in Ubuntu: Confirmed Bug description: Wifi disconnects every 30 minutes or so. I use Ubuntu 14.10 (the devel version). The used kernel is: Linux daniel-laptop 3.16.0-16-generic #22-Ubuntu SMP Wed Sep 17 18:47:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux dmesg gives the following: daniel@daniel-laptop:~$ sudo dmesg | tail -n10 [ 2122.301141] wlan0: deauthenticated from 00:1f:3f:d0:95:b3 (Reason: 6=CLASS2_FRAME_FROM_NONAUTH_STA) [ 2122.340914] cfg80211: Calling CRDA to update world regulatory domain [ 2122.510148] cfg80211: World regulatory domain updated: [ 2122.510156] cfg80211: DFS Master region: unset [ 2122.510158] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 2122.510162] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 2122.510165] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 2122.510167] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 2122.510170] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 2122.510173] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) Here is the information concerning the wifi daniel@daniel-laptop:~$ sudo lshw -class network *-network Beschreibung: Kabellose Verbindung Produkt: Centrino Advanced-N 6230 [Rainbow Peak] Hersteller: Intel Corporation Physische ID: 0 Bus-Informationen: pci@0000:02:00.0 Logischer Name: wlan0 Version: 34 Seriennummer: 88:53:2e:6e:20:bc Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress bus_master cap_list ethernet physical wireless Konfiguration: broadcast=yes driver=iwlwifi driverversion=3.16.0-16-generic firmware=18.168.6.1 ip=192.168.178.44 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn Ressourcen: irq:50 memory:c7400000-c7401fff --- ApportVersion: 2.14.7-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity DistroRelease: Ubuntu 14.10 InstallationDate: Installed on 2013-11-26 (305 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) Package: linux (not installed) Tags: utopic Uname: Linux 3.17.0-031700rc6-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1372616/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp