Hi,
Maybe you can try to unload the USB module and load it again?
Cheers,
David
On Tue, Nov 29, 2011 at 06:10, Kal Sze <swordan...@gmail.com> wrote:
> 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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