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Re: [PATCH wireless-2.6] iwlwifi: work around passive scan issue

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Hi John,

On Mon, 2010-05-03 at 11:07 -0700, John W. Linville wrote:
> On Fri, Apr 30, 2010 at 04:00:02PM -0700, Reinette Chatre wrote:
> > From: Johannes Berg <johannes.berg@xxxxxxxxx>
> > 
> > Some firmware versions don't behave properly when
> > passive scanning is requested on radar channels
> > without enabling active scanning on receiving a
> > good frame. Work around that issue by asking the
> > firmware to only enable the active scanning after
> > receiving a huge number of good frames, a number
> > that can never be reached during our dwell time.
> > 
> > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> > Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> 
> What is the consequence of this bug?  It is very late in the 2.6.34
> cycle and it isn't obvious to me that this is something that has to
> be fixed in this cycle.  I see the comment about "sysassert", but I
> don't know if that leads to something inconvenient (like restarting
> the firmware) or something much worse?

Unfortunately a sysassert does lead to firmware restart.

Reinette


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