F12 Wireless Network intermittently Dropped: AR9285 card / ath9k module

[jaivuk]

I use F12 with latest F11 kernel - this is only way how can I use my freshly
installed F12 and have my WIFI AP (hostapd) working.

If you upgraded to F12 from F11 via yum, you may still have some F11 kernel
installed, so during boot, just press ESC to get to grub menu and select F11
kernel.
You may then edit /boot/grub/menu.lst to select your default kernel. (You
may also upate /etc/yum.conf and change installonly_limit=3 to higher number
so more
than just 3 kernels are retained)

If you didn't have F11 it is a bit tricky to install F11 kernel into F12, I
did it in this way:
- I downloaded below files to empty folder from Fedora mirror:

#ls -l
-rw-rw-r--. 1 jaiv jaiv   691959 2009-11-18 17:28
kernel-firmware-2.6.30.9-99.fc11.noarch.rpm
-rw-rw-r--. 1 jaiv jaiv   763844 2009-11-18 17:34
kernel-headers-2.6.30.9-99.fc11.i586.rpm
-rw-rw-r--. 1 jaiv jaiv 22623392 2009-11-18 17:32
kernel-PAE-2.6.30.9-99.fc11.i686.rpm
-rw-rw-r--. 1 jaiv jaiv  6599589 2009-11-18 17:24
kernel-PAE-devel-2.6.30.9-99.fc11.i686.rpm
-rw-rw-r--. 1 jaiv jaiv    92966 2009-09-02 16:07
mkinitrd-6.0.87-4.fc11.i586.rpm

(If you do not want to compile modules you may possibly skip -devel)

Then I installed them by using command:

#rpm -ivh * --nodeps --force

You are doing this at your own risk.

Good luck!

On Thu, Dec 3, 2009 at 11:53 PM, Reuben Budiardja <
techlist at pathfinder.phys.utk.edu> wrote:

> Hello,
>
> I have an ASUS N51 series with Atheros AR9285 card that I just put F12 on.
> Today I brought the notebook on campus that basically has open wifi (we had
> to
> register our Mac address with our ID to be on the network, but otherwise
> it's
> open, no WEP, WPA or anything).
>
> The problem is that I keep getting my network dropped intermittently. Every
> few tens of second or order of minutes my network would get dropped, and
> then
> get connected again. It's enough that I can't work with it, since I work by
> doing programming on remote machine via SSH.
>
> During all this time, Network manager shows reasonable wireless strength,
> that
> fluctuates between 2 bars to full bars.
>
> Here's what /sbin/lspci shows as my wireless card:
> Network controller: Atheros Communications Inc. AR9285 Wireless Network
> Adapter
>
> And looking at the output /sbin/lsmod, I'm guessing it's using "ath9k"
> module.
>
> I've search the web and archive and found few reports here and there about
> something similar, but I couldn't find anything definite, or any
> workaround.
>
> Does anyone have any idea that can help me ? Any workaround, even with
> different / older version of Fedora ?
>
> Thank you for any respond.
> RDB
>
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