linux-kernel - Re: Top 10 kernel oopses for the week ending January 5th, 2008

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Message-ID: <4784E828.7090906@linux.intel.com>
Date:	Wed, 09 Jan 2008 07:28:40 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Johannes Berg <johannes@...solutions.net>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	NetDev <netdev@...r.kernel.org>
Subject: Re: Top 10 kernel oopses for the week ending January 5th, 2008

Johannes Berg wrote:
>> Rank 1: __ieee80211_rx
>> 	Warning at net/mac80211/rx.c:1672
>> 	Reported 6 times (11 total reports)
>> 	Same issue that was ranked 2nd last week
>> 	Johannes has diagnosed this as a driver bug in the iwlwifi drivers
>> 	More info: http://www.kerneloops.org/search.php?search=__ieee80211_rx
> 
> Note that because we don't get the module list for WARN_ON, we don't
> actually know whether all of these instances are from the iwlwifi
> drivers. A few other drivers suffer from the same problem. In one of
> these cases, iwlwifi was contained in the stack trace, but in the common
> case that isn't happening because packet processing is delayed to a
> tasklet.
> 

and fwiw a patch to get this added to WARN_ON was posted by my last week to fix this;
once this goes into 2.6.25-rc this annoyance/hinderance in debugging will be fixed.
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