** Description changed: The connection to the wireless network often gets lost and then reconnects. Furthermore the connection to the wireless network is sometimes very slow (1 Mb/s). Sometimes I have to reload the ath9k kernel modules, because I can't get a connection to the network. Very rare I have to reboot the pc, because I can't get a connection. ~$ lspci -nnk | grep -i wireless -A2 07:07.0 Network controller [0280]: Atheros Communications Inc. AR5416 Wireless Network Adapter [AR5008 802.11(a)bgn] [168c:0023] (rev 01) - Subsystem: Atheros Communications Inc. Device [168c:3071] - Kernel driver in use: ath9k + Subsystem: Atheros Communications Inc. Device [168c:3071] + Kernel driver in use: ath9k - ~$ lsb_release -cd - Description: Ubuntu 12.04 LTS - Codename: precise - - ~$ uname -a + ~$ uname -a Linux buzz-dee-desktop 3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux ~$ modinfo ath9k filename: /lib/modules/3.2.0-27-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko license: Dual BSD/GPL description: Support for Atheros 802.11n wireless LAN cards. author: Atheros Communications srcversion: 5D6D982D7A74AF9CCFF3C58 alias: platform:ar934x_wmac alias: platform:ar933x_wmac alias: platform:ath9k alias: pci:v0000168Cd00000034sv*sd*bc*sc*i* alias: pci:v0000168Cd00000033sv*sd*bc*sc*i* alias: pci:v0000168Cd00000032sv*sd*bc*sc*i* alias: pci:v0000168Cd00000030sv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Esv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Dsv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Csv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Bsv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Asv*sd*bc*sc*i* alias: pci:v0000168Cd00000029sv*sd*bc*sc*i* alias: pci:v0000168Cd00000027sv*sd*bc*sc*i* alias: pci:v0000168Cd00000024sv*sd*bc*sc*i* alias: pci:v0000168Cd00000023sv*sd*bc*sc*i* depends: ath9k_hw,ath9k_common,mac80211,cfg80211,ath intree: Y - vermagic: 3.2.0-27-generic SMP mod_unload modversions + vermagic: 3.2.0-27-generic SMP mod_unload modversions parm: debug:Debugging mask (uint) parm: nohwcrypt:Disable hardware encryption (int) parm: blink:Enable LED blink on activity (int) parm: btcoex_enable:Enable wifi-BT coexistence (int) I tested the following mainline kernels.: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-precise/ http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4.1-quantal/ http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4.6-quantal/ http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5-quantal/ In those upstream kernel versions the bug is still present. I had this problem also with Ubuntu Oneiric Ocelot 11.10 and with Ubuntu Natty Narwhal 11.04, but with Natty the problem was not so bad because it was very rare. For this card exists an open source driver with the help of Atheros itself, so far I know. Why the driver is so bad for three Ubuntu versions? Similar problems or with the same ID / card: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1003406 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/995704 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/981538 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/981762 BTW: I bought this card, because I had a similar problem with an other wireless card before. http://forum.ubuntuusers.de/topic/ralink-rt2561-rt61-belkin-f5d7000-v6000-rt61pci-wl/ ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-27-generic 3.2.0-27.43 ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21 Uname: Linux 3.2.0-27-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu11 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC1: buzz-dee 2462 F.... pulseaudio - /dev/snd/controlC0: buzz-dee 2462 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC1: buzz-dee 2462 F.... pulseaudio + /dev/snd/controlC0: buzz-dee 2462 F.... pulseaudio Card0.Amixer.info: - Card hw:0 'VT82xx'/'HDA VIA VT82xx at 0xfbffc000 irq 17' - Mixer name : 'Realtek ALC660-VD' - Components : 'HDA:10ec0660,1043c603,00100001' - Controls : 36 - Simple ctrls : 19 + Card hw:0 'VT82xx'/'HDA VIA VT82xx at 0xfbffc000 irq 17' + Mixer name : 'Realtek ALC660-VD' + Components : 'HDA:10ec0660,1043c603,00100001' + Controls : 36 + Simple ctrls : 19 Card1.Amixer.info: - Card hw:1 'SAA7134'/'saa7133[0] at 0xfbeef800 irq 18' - Mixer name : 'SAA7134 Mixer' - Components : '' - Controls : 6 - Simple ctrls : 3 + Card hw:1 'SAA7134'/'saa7133[0] at 0xfbeef800 irq 18' + Mixer name : 'SAA7134 Mixer' + Components : '' + Controls : 6 + Simple ctrls : 3 CurrentDmesg: - [ 51.480531] vboxdrv: fAsync=1 offMin=0x3600c offMax=0x3600c - [ 51.480654] vboxdrv: TSC mode is 'asynchronous', kernel timer mode is 'normal'. - [ 51.480656] vboxdrv: Successfully loaded version 4.1.12_Ubuntu (interface 0x00190000). - [ 51.525894] vboxpci: IOMMU not found (not registered) - [ 52.102129] init: plymouth-stop pre-start process (2156) terminated with status 1 + [ 51.480531] vboxdrv: fAsync=1 offMin=0x3600c offMax=0x3600c + [ 51.480654] vboxdrv: TSC mode is 'asynchronous', kernel timer mode is 'normal'. + [ 51.480656] vboxdrv: Successfully loaded version 4.1.12_Ubuntu (interface 0x00190000). + [ 51.525894] vboxpci: IOMMU not found (not registered) + [ 52.102129] init: plymouth-stop pre-start process (2156) terminated with status 1 Date: Fri Aug 3 22:12:57 2012 HibernationDevice: RESUME=UUID=7a9c200e-f813-4561-9c36-0d50f5e42f84 InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027) MachineType: System manufacturer M2V ProcEnviron: - TERM=xterm - PATH=(custom, no user) - LANG=de_DE.UTF-8 - SHELL=/bin/zsh + TERM=xterm + PATH=(custom, no user) + LANG=de_DE.UTF-8 + SHELL=/bin/zsh ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic root=UUID=837266ea-e282-4520-9b4d-8cf22d49c9cd ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.2.0-27-generic N/A - linux-backports-modules-3.2.0-27-generic N/A - linux-firmware 1.79 + linux-restricted-modules-3.2.0-27-generic N/A + linux-backports-modules-3.2.0-27-generic N/A + linux-firmware 1.79 SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-06-10 (54 days ago) dmi.bios.date: 02/21/2008 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2101 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M2V dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2101:bd02/21/2008:svnSystemmanufacturer:pnM2V:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2V:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: M2V dmi.product.version: System Version dmi.sys.vendor: System manufacturer
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1032826 Title: TP-Link TL-WN951N (AR5416 / AR5008 / 168c:0023) / ath9k wireless card slow connection and continuously disconnecting and reconnecting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1032826/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
