Public bug reported: Several people at Linaro Connect with Thinkpads and Intel wifi and experiencing, frequent disconnects and have to kill wpa_supplicant in order to reconnect.
this seems to be related to having multiple ssid with the same name in close proximity see this reference: https://mail.gnome.org/archives/networkmanager- list/2012-February/msg00135.html I've had this happen on my x220 with both the precise and the "Q" kernel. I've upgraded my box to Q Here is a snippet of the log file when it happens: May 29 10:43:18 zorak wpa_supplicant[1155]: wlan0: CTRL-EVENT-DISCONNECTED bssid =00:00:00:00:00:00 reason=3 ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: linux-image-3.4.0-3-generic 3.4.0-3.8 ProcVersionSignature: Ubuntu 3.4.0-3.8-generic 3.4.0 Uname: Linux 3.4.0-3-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25. ApportVersion: 2.1-0ubuntu1 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pgraner 1844 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf1520000 irq 47' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:14f1506e,17aa21da,00100002 HDA:80862805,80860101,00100000' Controls : 26 Simple ctrls : 8 Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown' Mixer name : 'ThinkPad EC (unknown)' Components : '' Controls : 1 Simple ctrls : 1 Card29.Amixer.values: Simple mixer control 'Console',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Tue May 29 18:05:11 2012 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=113c954a-7297-4617-b9e3-a64076beef2c InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: LENOVO 4286CTO ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.4.0-3-generic root=UUID=3d880a9e-f17b-4e2e-9499-6273ef2e37fb ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.4.0-3-generic N/A linux-backports-modules-3.4.0-3-generic N/A linux-firmware 1.80 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/07/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET50WW (1.20 ) dmi.board.asset.tag: Not Available dmi.board.name: 4286CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr8DET50WW(1.20):bd07/07/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4286CTO dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug linaro quantal running-unity staging -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1005832 Title: Intel wifi frequent disconnects To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1005832/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
