linux-kernel - Re: BUG: usb: obex in g_nokia.ko causing kernel panic

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Message-Id: <201311261830.15806@pali>
Date:	Tue, 26 Nov 2013 18:30:15 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Sebastian Reichel <sre@...ian.org>
Cc:	Felipe Balbi <balbi@...com>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Pavel Machek <pavel@....cz>,
	Aaro Koskinen <aaro.koskinen@....fi>, freemangordon@....bg
Subject: Re: BUG: usb: obex in g_nokia.ko causing kernel panic

On Tuesday 26 November 2013 18:17:49 Sebastian Reichel wrote:
> On Tue, Nov 26, 2013 at 06:10:22PM +0100, Pali Rohár wrote:
> > On Tuesday 19 November 2013 11:51:12 Pali Rohár wrote:
> > > For a long time (since 3.5 or 3.8? - I do not remember)
> > > obex subdriver in g_nokia usb gadget module causing
> > > kernel panic after module is loaded on Nokia N900. I do
> > > not know where is problem and due to immediatelly kernel
> > > crash when loading driver I was not able to see any dmesg
> > > output. Now I was able to store something into mtd log
> > > and here is crash backtrace: [...]
> > 
> > Hi! can you look at this problem?
> 
> So it worked at some time?
> Have you tried to git bisect the problem?
> 
> -- Sebastian

Yes, if I remember it worked with some older 3.x kernel. I do not 
know if I still have old tree. But there is problem with 
bisecting, because booting older kernel is hard on n900... At 
lest on 2.6.28 kernel g_nokia.ko working fine.

-- 
Pali Rohár
pali.rohar@...il.com

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