linux-kernel - Re: mac80211 : WARN at net/mac80211/rate.h:153

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Message-ID: <1ba2fa240808120706s6ddd6d40vdbd9bcff8c1db5c@mail.gmail.com>
Date:	Tue, 12 Aug 2008 17:06:14 +0300
From:	"Tomas Winkler" <tomasw@...il.com>
To:	"Vladimir Koutny" <vlado@...k.ksp.sk>
Cc:	"Dave Young" <hidave.darkstar@...il.com>,
	"Mattias Nissler" <mattias.nissler@....de>,
	"Michael Buesch" <mb@...sch.de>, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Stefano Brivio" <stefano.brivio@...imi.it>
Subject: Re: mac80211 : WARN at net/mac80211/rate.h:153

On Tue, Jul 15, 2008 at 9:14 AM, Vladimir Koutny <vlado@...k.ksp.sk> wrote:
> Dave Young wrote:
>> On Tue, Jul 15, 2008 at 1:17 AM, Mattias Nissler <mattias.nissler@....de> wrote:
>>> On Mon, 2008-07-14 at 16:14 +0200, Michael Buesch wrote:
>>>> CCing PID guys.
>>>> I've seen several people hitting this. What's the meaning of this warning?
>>> It basically means the rate control cannot find any rate in
>>> local->hw.wiphy->bands[local->hw.conf.channel->band] that is supported
>>> by the sta in question. Normally this should not happen. I guess the
>>> reason is that the supported rates bits in the sta info are all zero,
>>> which would probably be a bug. I haven't seen this here, but I don't use
>>> the IBSS code either. To further investigate this, you could the
>>> following just before the WARN_ON:
>
>
> This has been solved already:
>
> http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=commitdiff;h=def5e9a210235d690e79ae660972792860568421
>
> Vlado

This pacth is wrong it causes that all IBSS traffic is transmitted
rate of BEACON (1MBit) , which is pretty bad performance like. We are
working on possible fixes.
Tomas

>>
>
>
>
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