My suspicions were wrong, I installed and tested the WICD and the same symptoms occurred, with the difference that the WICD automatically reconnected without asking me the password for the wireless network. I'll try to make some more tests, maybe compile the driver downloaded directly from Broadcom and see what happens ...
-- 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/1276238 Title: Wifi Connection Dropping/Need to reconnect Status in “linux” package in Ubuntu: Incomplete Bug description: While connected to wifi, my system will randomly drop the connection and ask me to reconnect. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-6-generic 3.13.0-6.23 ProcVersionSignature: Ubuntu 3.13.0-6.23-generic 3.13.0 Uname: Linux 3.13.0-6-generic x86_64 ApportVersion: 2.13.2-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jason 2254 F.... pulseaudio CurrentDesktop: Unity Date: Tue Feb 4 16:25:02 2014 HibernationDevice: RESUME=UUID=60d68a6f-e268-441d-a7b9-8626d1521267 InstallationDate: Installed on 2012-11-06 (455 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) MachineType: LENOVO 4286CTO ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-6-generic root=UUID=06af135e-53bd-4ecc-ba8a-471be159d14a ro quiet splash i915.semaphores=0 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-6-generic N/A linux-backports-modules-3.13.0-6-generic N/A linux-firmware 1.123 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-01-07 (27 days ago) dmi.bios.date: 12/01/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET56WW (1.26 ) 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:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4286CTO dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276238/+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