linux-kernel - Re: bluetooth memory corruption (was Re: ext3-related crash in 2.6.20-rc1)

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Message-ID: <20061230215250.GF20714@stusta.de>
Date:	Sat, 30 Dec 2006 22:52:50 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Pavel Machek <pavel@....cz>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, maxk@...lcomm.com,
	bluez-devel@...ts.sf.net
Subject: Re: bluetooth memory corruption (was Re: ext3-related crash in 2.6.20-rc1)

On Mon, Dec 25, 2006 at 12:36:47AM +0100, Pavel Machek wrote:
> On Sun 2006-12-24 15:39:23, Marcel Holtmann wrote:
> > Hi Pavel,
> > 
> > > > I got this nasty oops while playing with debugger. Not sure if that is
> > > > related; it also might be something with bluetooth; I already know it
> > > > corrupts memory during suspend, perhaps it corrupts memory in some
> > > > error path?
> > > 
> > > Okay, I spoke too soon. bluetooth & suspend memory corruption was
> > > _way_ harder to reproduce than expected. Took me 5-or-so-suspend
> > > cycles... so it is probably unrelated to the previous crash.
> > 
> > can you try to reproduce this with 2.6.20-rc2 as well.
> 
> Yep, here it is, reproduced on 6-th-or-so suspend.
> 
> bluetooth may need to be actively used in order for this to trigger;
> connecting to the net over my cellphone seems to work okay.
> 
> (Full logs in attachment).

Is this issue also present in 2.6.19 or is it a regression?

> 								Pavel

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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