Have you tried updating Karmic with this driver? In my case, I pretty
much have to rmmod/modprobe at least 2-3 times to finish the
download/update process. If the download is more than 20M, then it is
even worse. I get frozen connection whenever the connection speed is
over 1MBps (10Mbps).

On Sat, Oct 24, 2009 at 8:45 AM, simon tretter <email address hidden> wrote:
> I found a workarround:
> "sudo iwconfig wlan0 power off"
> solved the "No Probe response" problem...  Sometimes the ping is over 200ms,.. but the network is very stable now..
>
> ping statistic to my router: "60 packets transmitted, 60 received, 0%
> packet loss, time 59086ms"
>
> So the problem is still related to the powermanagment of the driver!?
>
> --
> ath9k disassociates/reassociates a lot
> https://bugs.launchpad.net/bugs/414560
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in The Linux Kernel: Confirmed
> Status in “linux” package in Ubuntu: Triaged
>
> Bug description:
> I cannot find any rhyme or reason to this, but my
>
> 01:00.0 Network controller: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01)
>
> seems to like to disassociate/reassociate a lot since I started testing karmic as of alpha 4.
>
> A typical dmesg excerpt:
>
> [ 1881.988111] wlan0: no probe response from AP 00:15:e9:13:47:60 - disassociating
> [ 1883.367859] wlan0: authenticate with AP 00:15:e9:13:47:60
> [ 1883.370161] wlan0: authenticated
> [ 1883.370181] wlan0: associate with AP 00:15:e9:13:47:60
> [ 1883.372802] wlan0: RX ReassocResp from 00:15:e9:13:47:60 (capab=0x431 status=0 aid=1)
> [ 1883.372822] wlan0: associated
> [ 1892.008117] wlan0: no probe response from AP 00:15:e9:13:47:60 - disassociating
> [ 1893.385338] wlan0: authenticate with AP 00:15:e9:13:47:60
> [ 1893.385521] wlan0: authenticate with AP 00:15:e9:13:47:60
> [ 1893.388175] wlan0: authenticated
> [ 1893.388196] wlan0: associate with AP 00:15:e9:13:47:60
> [ 1893.391563] wlan0: RX ReassocResp from 00:15:e9:13:47:60 (capab=0x431 status=0 aid=1)
> [ 1893.391585] wlan0: associated
> [ 1926.988135] wlan0: no probe response from AP 00:15:e9:13:47:60 - disassociating
> [ 1928.365306] wlan0: authenticate with AP 00:15:e9:13:47:60
> [ 1928.367426] wlan0: authenticated
> [ 1928.367442] wlan0: associate with AP 00:15:e9:13:47:60
> [ 1928.370948] wlan0: RX ReassocResp from 00:15:e9:13:47:60 (capab=0x431 status=0 aid=1)
> [ 1928.370969] wlan0: associated
> [ 1966.988114] wlan0: no probe response from AP 00:15:e9:13:47:60 - disassociating
> [ 1968.366568] wlan0: authenticate with AP 00:15:e9:13:47:60
> [ 1968.368624] wlan0: authenticated
> [ 1968.368643] wlan0: associate with AP 00:15:e9:13:47:60
> [ 1968.371872] wlan0: RX ReassocResp from 00:15:e9:13:47:60 (capab=0x431 status=0 aid=1)
> [ 1968.371893] wlan0: associated
>
> Performance drops significantly when this starts going on.  At times it becomes impossible to look up hosts, etc.  Other times, it will run fine for hours on end.
>
> ProblemType: Bug
> AplayDevices:
>  **** List of PLAYBACK Hardware Devices ****
>  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> Architecture: i386
> ArecordDevices:
>  **** List of CAPTURE Hardware Devices ****
>  card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> AudioDevicesInUse:
>  USER        PID ACCESS COMMAND
>  /dev/snd/controlC0:  matt       3290 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
>  Card hw:0 'Intel'/'HDA Intel at 0xf7eb8000 irq 16'
>   Mixer name   : 'Realtek ALC269'
>   Components   : 'HDA:10ec0269,1043834a,00100004'
>   Controls      : 12
>   Simple ctrls  : 7
> Date: Sun Aug 16 17:15:46 2009
> DistroRelease: Ubuntu 9.10
> MachineType: ASUSTeK Computer INC. 1000HE
> Package: linux-image-2.6.31-5-generic 2.6.31-5.24
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-5-generic root=UUID=564b6024-8d7a-4d50-8410-563167a8756a ro quiet splash
> ProcEnviron:
>  PATH=(custom, no user)
>  LANG=en_US.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.31-5.24-generic
> RelatedPackageVersions:
>  linux-backports-modules-2.6.31-5-generic N/A
>  linux-firmware 1.15
> SourcePackage: linux
> Tags:  ubuntu-unr
> Uname: Linux 2.6.31-5-generic i686
> dmi.bios.date: 07/23/2009
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: 1002
> dmi.board.asset.tag: To Be Filled By O.E.M.
> dmi.board.name: 1000HE
> dmi.board.vendor: ASUSTeK Computer INC.
> dmi.board.version: x.xx
> dmi.chassis.asset.tag: 0x00000000
> dmi.chassis.type: 10
> dmi.chassis.vendor: ASUSTek Computer INC.
> dmi.chassis.version: x.x
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1002:bd07/23/2009:svnASUSTeKComputerINC.:pn1000HE:pvrx.x:rvnASUSTeKComputerINC.:rn1000HE:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
> dmi.product.name: 1000HE
> dmi.product.version: x.x
> dmi.sys.vendor: ASUSTeK Computer INC.
>