** Summary changed: - wireless misbehaves / disconnects when running on battery + 14e4:4727 wireless misbehaves / disconnects when running on battery
** Description changed: When on running on battery power, the wireless connection slows down to a crawling pace, or stops entirely. - If I run " /sbin/iwconfig eth1 power off " after unpluggin the computer - from the AC, the wireless begins to behave normally again. + WORKAROUND: After unplugging the computer from the AC, execute at a terminal: + /sbin/iwconfig eth1 power off + + and the wireless begins to behave normally again. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-30-generic 3.2.0-30.48 ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27 Uname: Linux 3.2.0-30-generic x86_64 NonfreeKernelModules: wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu13 Architecture: amd64 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 1: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 1: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC1: andre 1760 F.... pulseaudio - /dev/snd/controlC0: andre 1760 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC1: andre 1760 F.... pulseaudio + /dev/snd/controlC0: andre 1760 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: - Card hw:0 'Generic'/'HD-Audio Generic at 0xf0444000 irq 42' - Mixer name : 'ATI R6xx HDMI' - Components : 'HDA:1002aa01,00aa0100,00100200' - Controls : 6 - Simple ctrls : 1 + Card hw:0 'Generic'/'HD-Audio Generic at 0xf0444000 irq 42' + Mixer name : 'ATI R6xx HDMI' + Components : 'HDA:1002aa01,00aa0100,00100200' + Controls : 6 + Simple ctrls : 1 Card0.Amixer.values: - Simple mixer control 'IEC958',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] Card1.Amixer.info: - Card hw:1 'SB'/'HDA ATI SB at 0xf0440000 irq 16' - Mixer name : 'Conexant CX20588' - Components : 'HDA:14f1506c,10250598,00100000' - Controls : 18 - Simple ctrls : 12 + Card hw:1 'SB'/'HDA ATI SB at 0xf0440000 irq 16' + Mixer name : 'Conexant CX20588' + Components : 'HDA:14f1506c,10250598,00100000' + Controls : 18 + Simple ctrls : 12 Date: Fri Sep 14 18:42:40 2012 HibernationDevice: RESUME=UUID=f5b93b65-0d5c-461a-9d70-75e770fc7573 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) Lsusb: - Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub - Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub - Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 002 Device 002: ID 064e:d214 Suyin Corp. + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 002 Device 002: ID 064e:d214 Suyin Corp. MachineType: Acer AO722 ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-30-generic root=UUID=fb8ab3e3-cf16-40d8-9ef3-5095bebaf4d2 ro radeon.audio=1 RelatedPackageVersions: - linux-restricted-modules-3.2.0-30-generic N/A - linux-backports-modules-3.2.0-30-generic N/A - linux-firmware 1.79.1 + linux-restricted-modules-3.2.0-30-generic N/A + linux-backports-modules-3.2.0-30-generic N/A + linux-firmware 1.79.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/24/2011 dmi.bios.vendor: Acer dmi.bios.version: V1.05 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: JE10-BZ dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.05 dmi.modalias: dmi:bvnAcer:bvrV1.05:bd08/24/2011:svnAcer:pnAO722:pvrV1.05:rvnAcer:rnJE10-BZ:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.05: dmi.product.name: AO722 dmi.product.version: V1.05 dmi.sys.vendor: Acer -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1051103 Title: 14e4:4727 wireless misbehaves / disconnects when running on battery To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1051103/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
