[ath9k-devel] Performance problems with the AR9287

[Ben Greear <greearb@candelatech.com>]

On 10/19/2011 03:26 PM, Mitch Davis wrote:
> Hello,
>
> I am writing to you all on behalf of the many Fedora users with AR9287
> chips.  In Fedora 15, wireless performance with the AR9287 is
> terrible.  Here's a bug about it:
>
>    https://bugzilla.redhat.com/show_bug.cgi?id=702722
>
> It's now on Fedora's "common bugs" list:
>
>    http://fedoraproject.org/wiki/Common_F15_bugs#Poor_transfer_speeds_with_Atheros-based_wireless_chipsets
>
> I have tried compat-wireless and compat-wireless-next (see comment 15)
> and neither gives any improvement.
>
> This chip works well with the driver that was shipped in Fedora 14
> (kernel 2.6.35).
>
> Can someone help me find the problem please?  I am happy to do
> debugging and information collection, but I'll need some hand-holding.

 From reading that report, it seems users of ath5k had issues as well,
and that upgrading to the latest wireless code fixed issues.

It's not clear at all that it's always a certain chipset.

Maybe you could get lspci info from anyone reporting these problems,
as well as confirm that the problem is fixed or not by using the
latest wireless-compat code?

For what it's worth, we see fine performance on ath9k chipsets
with the 3.0 kernel, though we are using 9380 chips mostly.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com