JPedro, as per http://download.lenovo.com/express/ddfm.html an update is available for your BIOS (1.52). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Please note your current BIOS is already in the Bug Description, so posting this on the old BIOS would not be helpful. For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Thank you for your understanding. ** Tags added: bios-outdated-1.52 regression-release ** Changed in: linux (Ubuntu) Status: Triaged => Incomplete -- 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/993585 Title: Dropping WLAN connection every 7-10 minutes Status in “linux” package in Ubuntu: Incomplete Bug description: Kern.log says this May 2 23:52:29 jpt-ThinkPad-SL410 kernel: [ 2040.220779] wlan0: deauthenticating from ca:6c:87:ab:dc:2c by local choice (reason=3) And then continues to associate again with the AP, I have seen suggestions that power off for interface powermanagment was a working work around, but it does not work in my case. And the earlier bug report was closed with a resolved status. wlan0 IEEE 802.11bgn ESSID:"ZyXEL_DC2C" Mode:Managed Frequency:2.412 GHz Access Point: CA:6C:87:AB:DC:2C Bit Rate=150 Mb/s Tx-Power=14 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=59/70 Signal level=-51 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:118 Invalid misc:46 Missed beacon:0 I did not have this issue before upgrading to 12.04 and the 12.04 installation is a clean one, SSD was formated etc, before installing ie not an upgrade from 11.10. jpt@jpt-ThinkPad-SL410:/var/log$ lsb_release -rd Description: Ubuntu 12.04 LTS Release: 12.04 jpt@jpt-ThinkPad-SL410:/var/log$ ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jpt 1734 F.... pulseaudio CRDA: country CH: (2402 - 2482 @ 40), (N/A, 20) (5170 - 5250 @ 40), (N/A, 20) (5250 - 5330 @ 40), (N/A, 20), DFS (5490 - 5710 @ 40), (N/A, 27), DFS Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf2a00000 irq 50' Mixer name : 'Intel Cantiga HDMI' Components : 'HDA:10ec0269,17aa212a,00100004 HDA:80862802,80860101,00100000' Controls : 21 Simple ctrls : 9 Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 6JHT48WW-1.168000' Mixer name : 'ThinkPad EC 6JHT48WW-1.168000' 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: Wed May 2 23:52:58 2012 HibernationDevice: RESUME=UUID=8542dd9a-5b6c-4eeb-a731-ca17751db6d9 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: LENOVO 2842AKG ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=c4406791-705e-4b85-ba4f-2c21efad7da0 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-24-generic N/A linux-backports-modules-3.2.0-24-generic N/A linux-firmware 1.79 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/17/2009 dmi.bios.vendor: LENOVO dmi.bios.version: 6JET58WW (1.16 ) dmi.board.name: INVALID 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:bvr6JET58WW(1.16):bd09/17/2009:svnLENOVO:pn2842AKG:pvrThinkPadSL410:rvnLENOVO:rnINVALID:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2842AKG dmi.product.version: ThinkPad SL410 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/993585/+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