Hello guys, I have the same issue. After upgrading from 13.10 to 14.04, it seems that I get random disconnects from the wireless connection. Here is a dmesg snippet that I see after every disconnection:
[ 6072.816923] wlan0: deauthenticated from b0:48:7a:d1:69:c4 (Reason: 6) [ 6072.843782] cfg80211: Calling CRDA to update world regulatory domain [ 6072.851353] cfg80211: World regulatory domain updated: [ 6072.851362] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 6072.851368] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 6072.851374] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 6072.851379] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 6072.851383] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 6072.851387] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 6088.493025] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1297286 Title: Wireless connection keeps disconnecting Status in “network-manager” package in Ubuntu: Confirmed Bug description: Hi, I have a wireless access point that is at most 2 meters away. It keeps disconnecting with no apparent reason. I read somewhere that setting a static ip should help with the problem, but the problem seems pretty persistent. Thanks. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: network-manager 0.9.8.8-0ubuntu5 ProcVersionSignature: Ubuntu 3.13.0-19.39-lowlatency 3.13.6 Uname: Linux 3.13.0-19-lowlatency x86_64 ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Tue Mar 25 15:20:15 2014 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2014-03-20 (5 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140319) IpRoute: default via 192.168.1.1 dev wlan0 proto static 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.245 metric 9 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2014-03-23T16:50:07.398742 nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH NETGEAR 74dc69be-e44f-4e15-a614-6c284d83d16b 802-11-wireless 1395737193 Tue 25 Mar 2014 10:46:33 AM EET yes no /org/freedesktop/NetworkManager/Settings/2 Wired connection 1 7ac79166-e72e-455b-ad9e-34574ee5d94e 802-3-ethernet 1395571025 Sun 23 Mar 2014 12:37:05 PM EET yes no /org/freedesktop/NetworkManager/Settings/1 Egy Cloud 05f6b118-d332-4196-a7b0-810bba89bbf7 802-11-wireless 1395753542 Tue 25 Mar 2014 03:19:02 PM EET yes no /org/freedesktop/NetworkManager/Settings/0 AndroidAP 46037856-999f-4b3b-878d-13243f4ae958 802-11-wireless 1395592043 Sun 23 Mar 2014 06:27:23 PM EET yes no /org/freedesktop/NetworkManager/Settings/3 nmcli-dev: DEVICE TYPE STATE DBUS-PATH wlan0 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/1 eth0 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/0 nmcli-nm: RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN running 0.9.8.8 connected enabled enabled enabled enabled disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1297286/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp