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

From: Arjan van de Ven <[email-masked]>
Date: Wed, 09 Jan 2008 07:28:40 -0800

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.