--- David Brownell <[EMAIL PROTECTED]> wrote:
> On Monday 28 November 2005 11:26 am, Tony Riederer
> wrote:
> > In testing my usb ethernet gadget (RNDIS) vs.
> windows
> > XP (SP2) I am encountering a condition where the
> XP
> > machine hangs up during a file transfer or
> continuous
> > ping. By 'hang' I mean that you can no longer
> access
> > any of the network connections on the XP machine
> > including the LAN interface. Pulling the USB cable
> > breaks the deadlock.
>
> This is clearly a nasty bug in Microsoft's software.
> It should not be even _possible_ for their network
> stack to lock up like that.
>
> I suppose it's even possible that if you reported
> their
> bug to them, they'd fix it. In four or five years.
> ;)
>
>
> >
> > Monitoring the traffic from the host side, it
> seems
> > that the host is sending a reset request
> > (REMOTE_NDIS_RESET_MSG) to the device which is not
> > being ack'ed. The ping traffic originating from
> the
> > device is still received by the host. The host, it
> > seems, is still waiting for an ack to the reset.
> >
> > HW is Karo Triton (pxa-255). Kernel is
> 2.6.11-mm2-karo
> >
> > Is anyone familiar with this problem?
>
> It resembles something that was fixed a while back.
> Can
> you just use the current (2.6.14 is ok)
> RNDIS/g_ether stack?
> If it's the issue I recall, it's been fixed for some
> time.
>
I back-ported the USB drivers from 2.6.14.2 into my
2.6.11 kernel and am seeing the same problem.
After looking at the trace in more detail, it seems
that the reset message is sent 18 seconds after an
unanswered REMOTE_NDIS_QUERY_MSG. I looks like ep0
processing has gone out to lunch.
Tony
>
> > Are there any commercial products which use
> > g_ether(RNDIS)? I see that it is still marked
> > experimental in kconfig.
>
> There's one that I know of, which should ship in
> some volume
> next year. In any case, I've not heard of any
> particular
> issues since that last batch of fixes. That doesn't
> mean
> there are no issues; just that any bugreports
> haven't made
> it out to anyplace they'd do some good.
>
> - Dave
>
>
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