linux-kernel - Re: 2.6.32-rc0-git: oops in wireless, iwl3945 related?

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Message-Id: <1255816857.3434.3.camel@johannes.local>
Date:	Sun, 18 Oct 2009 07:00:57 +0900
From:	Johannes Berg <johannes@...solutions.net>
To:	Pavel Machek <pavel@....cz>
Cc:	linux-kernel@...r.kernel.org, yi.zhu@...el.com,
	reinette.chatre@...el.com, linux-wireless@...r.kernel.org
Subject: Re: 2.6.32-rc0-git: oops in wireless, iwl3945 related?

On Sat, 2009-10-17 at 20:33 +0200, Pavel Machek wrote:
> On Thu 2009-10-01 23:27:49, Johannes Berg wrote:
> > On Thu, 2009-10-01 at 23:16 +0200, Johannes Berg wrote:
> > 
> > > > wlan0: Selected IBSS BSSID 02:18:41:de:3f:02 based on configured SSID
> > > > wlan0: Trigger new scan to find an IBSS to join
> > > > wlan0: Trigger new scan to find an IBSS to join
> > > > wlan0: Creating new IBSS network, BSSID f2:d3:80:82:ed:6a
> > > > wlan0: Creating new IBSS network, BSSID 52:17:bf:45:d6:9d
> > > > skb_over_panic: text:c07b4113 len:130 put:36 head:e4c3edf0
> > > 
> > > This entire log is very odd ... can you reproduce this easily? printk
> > > timestamps would be useful.
> > 
> > Kinda looks like a race condition, but it's rather odd. I think there's
> > a race condition, so I'm going to submit this patch regardless after
> > some testing, but if you want please try the patch below.
> 
> Well, the problem is not exactly reproducible... it failed to happen
> again. So... thanks and I'll keep my eyes open if it returns. 

Felix also found a bad condition (inverted) in the adhoc code, so that
might be related too.

johannes

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