Re: mx35, gadget, fsl_usb2_udc: link breaks down

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Hi Fabio and Oliver,

On Tue, Apr 10, 2012 at 04:11:52AM +0200, Christoph Fritz wrote:
> On Mon, Apr 09, 2012 at 09:24:55PM -0300, Fabio Estevam wrote:
> > On Mon, Apr 9, 2012 at 9:10 PM, Hans J. Koch <hjk@xxxxxxxxxxxx> wrote:
> > 
> > > Cool. That's the 3DS board, isn't it?
> > 
> > Yes, a mx35_3ds board.
> > 
> > However, I do see the lost link after something about 40 pings
> > behaviour that Cristoph reported.
> > 
> > If I force a "ifconfig usb 10.0.0.1" on the host the link
> > re-establishes and then it works fine.
> > 
> > I have been running more then 3000 pings after the manual "ifconfig".
> 
> Nice, thanks for testing.
> 
> After using rc2 and adding the nfs patch mentioned before I don't get
> crashes any more.
> 
> For stress testing g_ether I use iperf:
>  on embedded system: iperf -s
>  on PC: iperf -c 10.0.0.2
> 
> With Wireshark I can see a lot of "TCP Window Full" Messages. The
> link stays borken even when interrupting iperf after a secound.
> 
> I suppose this is a general problem with usbnet/g_ether?

Can you approve this behaviour of g_ether/usbnet when using iperf?
 
 
 Thanks,
  -- Christoph
 
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