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Date: Mon, 14 Feb 2011 10:54:17 +0100
Message-ID: <AANLkTik0rEeK6qSc7rWxqDKicdNDEaH=ne+ODS+WwHQx@mail.gmail.com>
Subject: Re: [PATCH] rt2x00: synchronize transmission routines
From: Ivo Van Doorn <ivdoorn@gmail.com>
To: Jordi Pujol <jordipujolp@gmail.com>
Cc: linux-wireless@vger.kernel.org
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Sender: linux-wireless-owner@vger.kernel.org

Hi,

>> Both rxdone as txdone are for USB devices on a singlethreaded
>> workqueue. So it the work items will be scheduled only once...
>
> maybe that could depend on the scheduler type or anythig else,
> please look the attached kernel config.
> (excuse me, I'm not an expert)
>
> also the complete Debian kernel source is available in my website.
>
>> And I am not aware of any race conditions on the txdone/rxdone
>> paths (my testing environment is a dual-CPU system as well, so
>> I am always testing with SMP enabled...)
>>
>
> Maybe the kernel config or the adapter type impllies a different behaviour, I
> can say that without this patch the connections are slow and sometimes does
> not pass any bit, the adapter was continuosly retrying the transmission.
> This patch solves that; sure that is not the better solution, but works,

Could you try the compat-wireless package? There are a lot
of queue-related patches in there which were submitted after 2.6.37.

Ivo