Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.13 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.14-rc1-trusty/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => 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/1277087 Title: Cannot start wifi as hotspot: Unable to find TIM Element in beacon Status in “linux” package in Ubuntu: Incomplete Bug description: If started in hotspot mode, WiFi is not visible to mobile device. dmesg near the start of ad-hoc (hotspot) mode: [ 8433.456955] wlan0: Creating new IBSS network, BSSID 46:d7:d8:59:f3:53 [ 8433.496119] iwlwifi 0000:03:00.0: Unable to find TIM Element in beacon [ 8433.497087] iwlwifi 0000:03:00.0: Unable to find TIM Element in beacon [ 8444.156435] wlan0: no IPv6 routers present [ 8474.939854] wlan0: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) [ 8510.543150] wlan0: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) [... ad infinitum...] Similar bug has been reported as #786697 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-58-generic 3.2.0-58.88 ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53 Uname: Linux 3.2.0-58-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.6 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/hwC1D1', '/dev/snd/hwC1D2', '/dev/snd/hwC1D3', '/dev/snd/pcmC1D3p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D9p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 48' Mixer name : 'IDT 92HD81B1C5' Components : 'HDA:111d76d5,1028040b,00100104' Controls : 20 Simple ctrls : 11 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17' Mixer name : 'Nvidia GPU 0b HDMI/DP' Components : 'HDA:10de000b,10de0101,00100200' Controls : 24 Simple ctrls : 4 Date: Thu Feb 6 14:48:28 2014 HibernationDevice: RESUME=UUID=fd6f0604-83fa-45c1-a56e-80bb322e9699 InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) MachineType: Dell Inc. Latitude E6510 MarkForUpload: True PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcEnviron: LANGUAGE=it:en TERM=xterm PATH=(custom, no user) LANG=it_IT.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-58-generic root=UUID=38ffdbfc-d172-4cea-a5dd-71533e6d9e74 ro quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.2.0-58-generic N/A linux-backports-modules-3.2.0-58-generic N/A linux-firmware 1.79.9 SourcePackage: linux StagingDrivers: mei UpgradeStatus: Upgraded to precise on 2012-05-02 (645 days ago) dmi.bios.date: 11/20/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: 0N5KHN dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA06:bd11/20/2010:svnDellInc.:pnLatitudeE6510:pvr0001:rvnDellInc.:rn0N5KHN:rvrA03:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6510 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1277087/+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
