Re: [PATCH v2 00/22] brcmsmac: Tx rework and expanded debug/trace support

["Arend van Spriel" <arend@broadcom.com>]

On 12/03/2012 11:15 AM, Daniel Wagner wrote:
> Hi Arend,
> 
> On 03.12.2012 09:37, Arend van Spriel wrote:
>>> On 26.11.2012 22:20, Daniel Wagner wrote:
>>>> On 26.11.2012 20:36, Seth Forshee wrote:
>>>>> On Wed, Nov 21, 2012 at 08:35:28AM -0600, Seth Forshee wrote:
>>>>>>> My 'test' setup is following: I downloaded a larger file and let a
>>>>>>> youtube
>>>>>>> video play. With tracing enabled the download and the playback did
>>>>>>> work nicely.
>>>>>>>
>>>>>>> Without tracing enabled playing back only a youtube video was
>>>>>>> 'triggering'
>>>>>>> the problem. It downloads a few seconds of content in a burst and
>>>>>>> then the playback
>>>>>>> starts. Under normal conditions, the app will continue downloading
>>>>>>> the video at a
>>>>>>> lower rate. But this normally doesn't happen right now. Often it
>>>>>>> will just stop
>>>>>>> working and often the connection is completely blocked, e.g. pinging
>>>>>>> a host
>>>>>>> wont work.
>>>>>>
>>>>>> I'll see if I can reproduce, but if it's specific to the AP then I
>>>>>> may
>>>>>> not have any luck. Don't expect to hear much from me until next week
>>>>>> though; I'm on holiday starting today and will be visiting family.
>>>>>
>>>>> It seems I'm unable to reproduce the problem with any of the APs
>>>>> available to me, unfortunately.
>>>>
>>>> I tried it again with disabled the TX trace but I can't reproduce it
>>>> either. Well, I am sick of this AP and I might just get a better one
>>>> (which should be fairly simple).
>>>
>>> FYI, I got my old Netgear 11g AP out and I get a very 'smooth' wifi
>>> experience.
>>>
>>> If you like you can add Tested-by tag :)
>>
>> You basically tested 11g operation is ok. Still interesting to know,
>> because it may indicate that problems start happening when doing 11n
>> rates and/or A-MPDU sessions.
> 
> A friend of mine have the same 11n AP and for them it also behaves
> pretty shitty for him (Windows even worse then Linux...).
> 
> I don't know if it is worth to continue to debug with this this
> particular 11n AP.
> 
> I had a good performance during LinuxCon which indicates that it is
> really only my home AP. What I could do is to test with 11n APs at my
> workplace and see if the it is really only my home 11n AP.
> 

So what exactly is the brand and model of your home 11n AP. With a bit
of luck we may have it over here.

Gr. AvS