Re: USB problem on beagleboard clone

[Felipe Balbi <balbi@ti.com>]

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Hi again,

On Fri, Sep 14, 2012 at 04:07:56PM +0300, Felipe Balbi wrote:
> On Fri, Sep 14, 2012 at 02:57:49PM +0200, Maximilian Schwerin wrote:
> > Sorry :-( With log now.
> > 
> > > -----Ursprüngliche Nachricht-----
> > > Von: linux-usb-owner@vger.kernel.org 
> > > [mailto:linux-usb-owner@vger.kernel.org] Im Auftrag von 
> > > Maximilian Schwerin
> > > Gesendet: Freitag, 14. September 2012 14:26
> > > An: linux-omap@vger.kernel.org; linux-usb@vger.kernel.org
> > > Betreff: USB problem on beagleboard clone (PGP: Plain, Signed)
> > > 
> > > Hi all,
> > > 
> > > we've designed two beagle board clones (two different 
> > > layouts) for a customer. After quite some time without any 
> > > problems they are now seeing USB problems on some of the 
> > > boards. I have so far not been able to reproduce the problem...
> > > 
> > > The USB port of the OMAP the problems appear on is connected 
> > > through a TPS65950 to a LAN9514 USB Hub + Ethernet Chip. 
> > > Attached is the kernel output. I'm not even sure if this is 
> > > related to our board, or if this might be a misbehaving device?!
> > > 
> > > If someone has an idea what this could be and what I could do 
> > > to fix or at least further debug the problem please speak up.
> 
> I have never seen that error before on any of the boards I have. One
> question though, if the port is always Host, why are you using the OTG
> subsystem instead of the actual Host Subsystem which has an EHCI
> controller ?

Which kernel are you using ? Have you tried with v3.5 or something more
recent ?

-- 
balbi

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