linux-kernel - Re: rtl8187 driver in 2.6.23-rc6-git5: kernel panic if not used as a module. Works as a module.

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Date:	Sat, 15 Sep 2007 20:30:14 +0200
From:	Eric Valette <eric.valette@...e.fr>
To:	Rob Hussey <robjhussey@...il.com>
Cc:	flamingice@...rmilk.net, andreamrl@...cali.it,
	linux-kernel@...r.kernel.org, rol@...be.net
Subject: Re: rtl8187 driver in 2.6.23-rc6-git5: kernel panic if not used as
 a module. Works as a module.

Rob Hussey wrote:
> On 9/15/07, Eric Valette <eric.valette@...e.fr> wrote:
>> Eric Valette wrote:
>>
>>> I can probably take a picture of the backtrace if you want.
>> Just saw that just above my message in the LKML web interface, someone
>> posted a backtrace. Mine is different but at least, we are at least two
>> to have the crash.
> 
> This is the same thing I said to Paul Rolland, since I think your
> problems are the same:
> I had this problem as well. It has to do with mac80211, cfg80211 and
> the rate control algorithm not initializing early enough in the boot
> process. These two patches should fix it:
> 
> [PATCH] mac80211: fix initialisation when built-in
> http://article.gmane.org/gmane.linux.kernel.wireless.general/5710/match=patch+mac80211+initialisation
> 
> [PATCH] cfg80211: fix initialisation if built-in
> http://article.gmane.org/gmane.linux.network/71326/match=patch+cfg80211+initialisation
> 
> Regards,
> Rob

Thanks for your help: it does indeed fix the problem.

Now I have two side questions:
	- the code is no more symetric "subsys_initcall" -> "module_exit". Do
not know if it is "normal" but I love symmetry in code :-). Did not test
it still works as a module...
	- Who takes the responsability to push a patch to Linus? I guess it is
urgent unless he plans a rc7

-- eric

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