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From: Thomas Lindroth <thomas.lindroth@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org
Subject: Re: Kernel panic in ieee80211_calculate_rx_timestamp
Date: Fri, 11 Oct 2013 12:11:32 +0200	[thread overview]
Message-ID: <5257CED4.4020406@gmail.com> (raw)
In-Reply-To: <1380551237.14467.12.camel@jlt4.sipsolutions.net>

On 09/30/2013 04:27 PM, Johannes Berg wrote:
> On Thu, 2013-09-19 at 20:01 +0200, Thomas Lindroth wrote:
>> I recently got a ath9k_htc based dongle and running kismet for a few
>> hours results in a kernel panic (divide error) in
>> ieee80211_calculate_rx_timestamp with kernel 3.11.0.
>>
>> The problem seems to occur when the call to cfg80211_calculate_bitrate
>> returns 0. I've used this patch to temporarily works around the problem.
> 
> Seems fair, but maybe it should print out the rate info so you can see
> what was actually received - most likely this is a driver bug though.
> 
> If you submit a patch that can be applied with signed-off-by etc. I can
> apply it.

Sorry for the late reply. My first post was mostly meant as a bug
report. I don't have the insight needed for a proper fix but that patch
should point a developer in the right direction.

/Thomas Lindroth

      reply	other threads:[~2013-10-11 10:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-19 18:01 Kernel panic in ieee80211_calculate_rx_timestamp Thomas Lindroth
2013-09-30 14:27 ` Johannes Berg
2013-10-11 10:11   ` Thomas Lindroth [this message]

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