linux-kernel - Re: v4.13-rc0 on nokia n900: spinlock bad magic

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Message-ID: <20170706193922.GA31830@amd>
Date:   Thu, 6 Jul 2017 21:39:23 +0200
From:   Pavel Machek <pavel@....cz>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     sre@...nel.org, kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
        aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
        patrikbachan@...il.com, serge@...lyn.com, abcloriens@...il.com
Subject: Re: v4.13-rc0 on nokia n900: spinlock bad magic

Hi!

> On Thursday 06 July 2017 20:03:37 Pavel Machek wrote:
> > Hi!
> > 
> > I don't think this is new in v4.13, but perhaps someone knows how to
> > debug it?
> > 
> > [ 5611.801147] g_ether gadget: packet filter 0e
> > [ 5611.801177] g_ether gadget: ecm req21.43 v000e i0000 l0
> > [ 5668.771453] BUG: spinlock bad magic on CPU#0, kworker/u2:3/9745
> > [ 5668.771850]  lock: 0xce63ef20, .magic: 00000000, .owner:
> > <none>/-1, .owner_cpu: 0
> > [ 5668.772277] CPU: 0 PID: 9745 Comm: kworker/u2:3 Tainted: G       
> > W 4.12.0-03002-gec979a4-dirty #40
> > [ 5668.772796] Hardware name: Nokia RX-51 board
> > [ 5668.773071] Workqueue: phy1 wl1251_irq_work
> 
> I do not remember that I saw this problem.

I guess I have some debug options enabled... do you want a .config to
play with?
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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