Thanks, Mark, for the reminder about connection stability. So far, I don't
seem to have any issue with that.

I have another problem, however:

As I said before, I'm only using pppd to dial a ppp connection to the
Windows CE device. Once I'm done using the ppp connection, my script
terminates the connection by using linux's `kill` command and giving it the
PID of the pppd process. The problem is that *sometimes*, after I kill the
pppd process, ttyUSB0 disappears, even though the Windows CE device is
still physically connected. If I physically disconnect and reconnect the
Windows CE device, linux's ipaq kernel module will re-create ttyUSB0. Would
somebody have an idea why ttyUSB0 disappears and whether I can prevent that
from happening? I would be happy if I could at least put something in my
script to cause the ipaq kernel module to re-create the ttyUSB0 without
requiring me to physically disconnect and reconnect the device.

Best Regards,
Kal

On 20 June 2011 04:05, Mark Ellis <m...@mpellis.org.uk> wrote:

> On Fri, 2011-06-17 at 14:57 +0200, Kal Sze wrote:
> > On 17 June 2011 19:18, David Eriksson <twog...@users.sourceforge.net>
> wrote:
> > > Yes but when you dismiss the error, the connection closes, I think.
> > >
> > > \David
> >
> > Yes, that's my experience as well. But my end users will never see
> > that error box because there will be a full screen application that
> > always stays on top. All is still well.
> >
> > :D
> >
>
> Yes, that error probably occurs because there is no dccm on the other
> end responding to the keep-alive ping. Don't know how stable the link
> will be without a dccm.
>
> Mark
>
>
>
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