On Sat, 2017-05-06 at 18:16 -0400, A. F. Cano wrote: > On Thu, May 04, 2017 at 09:14:01PM -0500, Dan Williams wrote: > > On Sun, 2017-04-30 at 17:26 -0400, A. F. Cano wrote: > > > I had a similar problem back in January which was discussed in > > > the > > > thread with title: "Network manager auto-upgraded, ppp no longer > > > connects." > > > > > > All the information about the device, AT commands and responses > > > can > > > be > > > found there, as requested by Dan Williams. Something was > > > apparently > > > fixed and Modem Manager went back to working correctly. > > > > I don't think I was able to fix anything, so it must be something > > in > > the device. The logs are the same problem as before, the device > > isn't > > returning a valid SID/NID for AT+CSS and thus we cannot figure out > > if > > we're registered on the network or not, and thus whether we can > > connect. > > Mmm... This is puzzling. The only thing that changed was an upgrade > of > network-manager/modem-manager in the previous installation. Then > that > installation (system on an SD card) became unusable (unrelated > problem) > and I installed a new system on a new SD card and it didn't work, > again. > Your answer prompted me to try again and, surprisingly, it now works > correctly again.
Does the modem reply to AT+CSS with valid SID/NID values now, or still "?, 0"? Dan > > Just having service (eg, "AT+CSS: 1") isn't enough, because in the > > CDMA > > systems you'll almost always connect to the network for emergency > > calls, even if you cannot initiate a data connection. > > Thank you for the clarification. I now understand better what > modem-manager is trying to do and the likely bugs/limitations of this > old phone. > > > I'd be pretty curious what made things work again, if you have any > > command traces from that time? > > Not specific log file entries but the version of network-manager on > the > old system (where it worked, then didn't and then worked again) was > 1.4.something. The new installation was 1.6.something, but this is > probably coincidental since this one is now working also and I'm > pretty > confident that the phone software is buggy. It sometimes reboots > itself, other times after a data session I have to power cycle the > phone > or voice calls can't be made, and I think the charging sofware is > also > buggy and is slowly ruining the battery by overcharging, but maybe > the > battery is just old. > > In any case, thank you for replying. > > > ... > > Augustine > > _______________________________________________ > networkmanager-list mailing list > networkmanager-list@gnome.org > https://mail.gnome.org/mailman/listinfo/networkmanager-list _______________________________________________ networkmanager-list mailing list networkmanager-list@gnome.org https://mail.gnome.org/mailman/listinfo/networkmanager-list
