linux-kernel - Re: v3.19: Nokia N900 - usb nokia gadget crash

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Date:	Mon, 2 Feb 2015 16:27:27 -0600
From:	Felipe Balbi <balbi@...com>
To:	Felipe Balbi <balbi@...com>
CC:	Pali Rohár <pali.rohar@...il.com>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>,
	Sebastian Reichel <sre@...nel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Tony Lindgren <tony@...mide.com>
Subject: Re: v3.19: Nokia N900 - usb nokia gadget crash

On Mon, Feb 02, 2015 at 04:17:13PM -0600, Felipe Balbi wrote:
> On Sat, Jan 31, 2015 at 10:25:09AM +0100, Pali Rohár wrote:
> > On Saturday 31 January 2015 10:06:11 Pali Rohár wrote:
> > > Hello,
> > > 
> > > when I try to modprobe g_nokia.ko gadget module on n900
> > > device, it produce tons on lines to display and then crash
> > > and reboot device. So its not working and I (without Nokia
> > > (TM) serial console I cannot debug it).
> > 
> > When I compile g_nokia into zImage (not as external module) then 
> > it kernel loads correctly and usb is working.
> > 
> > Any idea why g_nokia as external kernel module cause problems, 
> > but compiled into zImage is working??
> 
> what I got here is a WARNING from f_phonet only, I'll look into it. Keep
> in mind I don't have N900 available, testing with beagleboneblack and
> AM437x SK.

looks like there's a bug with MUSB too which needs fixing for that. Did
you get "inconsistent lock stae" WARN ?

-- 
balbi

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