[ath9k-devel] Card AR928X very slow with new kernels

[Ben Greear <greearb@candelatech.com>]

On 04/22/2012 11:58 PM, Mitch Davis wrote:
> On Mon, Apr 23, 2012 at 1:07 PM, Ben Greear<greearb@candelatech.com>  wrote:
>>
>> If you have a kernel that works, and one that doesn't, you can try to
>> bisect and figure out what commit caused it to go bad.
>>
>> I must have deleted your first email..but can you be more specific
>> about what kernel(s) work for you and which ones fail?
>
> That was Pierre, who started this thread.
>
> For me, I have two AR9287 cards in two almost identical laptops.  For
> one of them (wife's), the wireless has never worked well.  The other
> (mine) has been pretty good.  Recently I swapped the wireless cards.
> Mine started giving all sorts of trouble, but the wife's was no
> better.  When I upgraded from kernel 3.3.1 to 3.3.2, mine got a whole
> lot better, whereas the wife's didn't.  I suspect there are two problems,
> one of which got fixed in 3.3.2.
>
>> Try looking at the xmit, interrupt, and recv ath9k debugfs files.
>
> Thanks I will.
>
> In the case the card becomes unassociated, is there a way of finding
> out the reason why?

dmesg output (and/or /var/log/messages) may give clues, as should the
wpa_supplicant logs.

Thanks,
Ben


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