GPRS unreliable: long lasting connection fail
ekoyle at gmail.com
Tue Jan 13 20:25:54 CET 2009
I was looking at this once and I think the problem might be that pppd
closes the device and re-opens it before reconnecting, and the mux
device is no longer usable once it has been closed.
I didn't verify this, but it seemed logical to me ;).
BOFH excuse #153:
Big to little endian conversion error
On Jan 12 22:14+1300, Andrew Stephen wrote:
> On Mon, Jan 12, 2009 at 9:39 PM, Niccolo Rigacci <niccolo at rigacci.org> wrote:
> > Please tell me: with gsm0710uxd the connection is still done by
> > pppd/chat?
> Yes - gsm0710muxd creates a new serial device for each application
> needing access to the GSM device. You just call pppd with its own
> > I hope to last 12 hours or so, because I do GPS live tracking
> > with position upload to the internet every 5/10 seconds.
> I've run GPRS for several hours at a time in a car travelling in some
> dodgy reception areas. Sometimes it seemsed to lose connection and
> re-establish itself gracefully but more often than not I'd find that
> GPRS had died and pppd was still up but ineffective. I usually had to
> reboot the FR before I could re-establish connection when this
> Andrew Stephen
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> charming or tedious.
> - Oscar Wilde
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