<div dir="ltr"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">+CIND shouldn't be any URC</blockquote><div>+CIND isn't (polled by mm-broadband-modem.c), but the +CIEV that follows it is.</div><div><br></div><div>Cinterion's ^SIND turn's on the +CIEV URC's. Which means the setting AT cmd doesn't match the AT URC response. Lovely huh, not sure if that makes a difference.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, May 18, 2018 at 2:00 PM, Aleksander Morgado <span dir="ltr"><<a href="mailto:aleksander@aleksander.es" target="_blank">aleksander@aleksander.es</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> I found this in our logs. As you can see we get a URC right after a<br>
> solicited request that's polled. This causes a connection reset.<br>
><br>
> 2018-04-25T07:35:19.155738 ModemManager[1797]: <debug> (ttyACM1): --><br>
> 'AT^SWWAN?<CR>'<br>
> 2018-04-25T07:35:20.317705 ModemManager[1797]: <debug> (ttyACM0): <--<br>
> '<CR><LF>+CIEV: 1,3<CR><LF>'<br>
> 2018-04-25T07:35:20.398151 ModemManager[1797]: <debug> (ttyACM1): <--<br>
> '<CR><LF>+CIND: 0,2,1,1,1,0,1,0<CR><LF><CR><<wbr>LF>OK<CR><LF><CR><LF>+CIEV:<br>
> 1,3<CR><LF><CR><LF>+CIEV: psinfo,6<CR><LF><CR><LF>+CREG:<br>
> 5,"1611","0217BCC",2<CR><LF><<wbr>CR><LF>+CGREG:<br>
> 5,"1611","0217BCC",2<CR><LF><<wbr>CR><LF>+CIEV: psinfo,10<CR><LF>'<br>
> 2018-04-25T07:35:20.413390 ModemManager[1797]: <debug> Modem<br>
> /org/freedesktop/<wbr>ModemManager1/Modem/0: access technology changed (hsdpa,<br>
> hsupa -> umts)<br>
> 2018-04-25T07:35:20.427281 ModemManager[1797]: <debug> Modem<br>
> /org/freedesktop/<wbr>ModemManager1/Modem/0: access technology changed (umts -><br>
> hsdpa, hsupa)<br>
> 2018-04-25T07:35:20.438959 ModemManager[1797]: <warn> checking if connected<br>
> failed: Couldn't parse ^SWWAN response: '+CIND: 0,2,1,1,1,0,1,0'<br>
><br>
> I'm looking to push a patch for this but wanted to see if anyone had<br>
> thoughts on approach before I start?<br>
><br>
<br>
</span>Hum.... +CIND shouldn't be any URC. Are you sure it's not a previously<br>
sent AT+CIND? that ended up timing out?<br>
<span class="HOEnZb"><font color="#888888"><br>
-- <br>
Aleksander<br>
<a href="https://aleksander.es" rel="noreferrer" target="_blank">https://aleksander.es</a><br>
</font></span></blockquote></div><br></div>