This version is no longer supported. If this is still reproducible on a
newer/supported version, please reopen.
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/1032826
Title:
168c:0023 ath9k wifi slow, and frequently disconnects/reconnects
Status in Linux:
New
Status in linux package in Ubuntu:
Won't Fix
Bug description:
The connection to the wireless network often gets lost and then
reconnects. Furthermore the connection to the wireless network is
often very slow (1 Mb/s). Sometimes after I have reloaded the ath9k
kernel module, I can get a connection to the network and sometimes
not. Sometimes I have to reboot the pc, because I can't get a
connection, but often I can't get a connection after that.
wireless card:
TP-Link TL-WN951N (AR5416 / AR5008 / 168c:0023)
In these upstream kernel versions the bug is still present:
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/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5.3-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5.4-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc1-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc5-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc6-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc7-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6.1-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6.3-quantal/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6.8-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7.6-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc6-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc7-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-raring/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.9-raring/
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.
Wireless Access Point Manufacturer, Model: FRITZ!Box Fon WLAN 7141
Firmware-Version: 40.04.76
Encryption Type: WPA2 (CCMP)
No MAC filtering.
Other WiFi devices (Android Phones, Netbooks, Laptop) works with this
wireless access point without problems.
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
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
Card1.Amixer.info:
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
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
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
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
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