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> No 4G connection, Ofono does not find modem?
DonOregano
post Jul 12 2018, 12:33 PM
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I am finally getting around to trying to get mobile data connection going on my Gemini. But I am having no luck. To say that I have been struggling would be an overstatement, since I simply have gotten nowhere at all...

What happens when I try to power on cellular in cmst is that I get an error message saying:
Error Name: org.freedesktop.DBus.Error.UnknownObject
Error Message: Method "SetProperty" with signature "sv" on interface "net.connman.Technology" doesn't exist

So, ofono and/or connman has not registered stuff related to the cellular modem?
I really have no idea of where to go from here, and what to check for troubleshooting. I tried running ofonod in debug-log mode, and got a whole bunch of info...
When I just check the logs from ofono (with normal logging) I get:
CODE
nov 03 18:16:43 halleck systemd[1]: Started oFono Mobile telephony stack.
nov 03 18:16:43 halleck ofonod[680]: Excluding Sierra modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding ZTE modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Icera modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Calypso modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding MBM modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Telit modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding HSO modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Infineon modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding STE modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Dialup modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Hands-Free Profile Driver
nov 03 18:16:43 halleck ofonod[680]: Excluding SpeedUp modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding Phone Simulator driver
nov 03 18:16:43 halleck ofonod[680]: Excluding CDMA AT modem driver
nov 03 18:16:43 halleck ofonod[680]: Excluding External Hands-Free Profile Plugin
nov 03 18:16:43 halleck ofonod[680]: Excluding Dial-up Networking Profile Plugins
nov 03 18:16:43 halleck ofonod[680]: Excluding BlueZ 5 Utils Plugin
nov 03 18:16:43 halleck ofonod[680]: Excluding Hands-Free Audio Gateway Profile Plugins
nov 03 18:16:43 halleck ofonod[680]: Excluding CDMA provisioning Plugin
nov 03 18:16:44 halleck ofonod[680]: /build/glib2.0-0KXPIe/glib2.0-2.50.3/./gobject/gsignal.c:2523: signal 'DisplayPowerStateChange' is invalid for instance '0x7f942ff2b0' of type 'ComCanonicalUnityScreenProxy'
nov 03 18:16:44 halleck ofonod[680]: ofonod[680]: parse_devices_reply: found 1st battery device: /org/freedesktop/UPower/devices/battery_battery
nov 03 18:16:44 halleck ofonod[680]: parse_devices_reply: found 1st battery device: /org/freedesktop/UPower/devices/battery_battery
nov 03 18:16:54 halleck ofonod[680]: ofonod[680]: RIL version 14
nov 03 18:16:54 halleck ofonod[680]: RIL version 14
nov 03 18:17:03 halleck ofonod[680]: ofonod[680]: ril_0 disconnected
nov 03 18:17:03 halleck ofonod[680]: ril_0 disconnected
nov 03 18:17:07 halleck ofonod[680]: ofonod[680]: RIL version 14
nov 03 18:17:07 halleck ofonod[680]: RIL version 14
nov 03 18:17:17 halleck ofonod[680]: ofonod[680]: ril_0 disconnected
nov 03 18:17:17 halleck ofonod[680]: ril_0 disconnected
nov 03 18:17:23 halleck ofonod[680]: ofonod[680]: RIL version 14
nov 03 18:17:23 halleck ofonod[680]: RIL version 14
nov 03 18:17:32 halleck ofonod[680]: ofonod[680]: ril_0 disconnected
nov 03 18:17:32 halleck ofonod[680]: ril_0 disconnected
nov 03 18:17:38 halleck ofonod[680]: ofonod[680]: RIL version 14
nov 03 18:17:38 halleck ofonod[680]: RIL version 14
nov 03 18:17:47 halleck ofonod[680]: ofonod[680]: ril_0 disconnected
nov 03 18:17:47 halleck ofonod[680]: ril_0 disconnected


And so on forever. What should I check to find out what is going on?

(Note, I did have to reflash my device completely once, but I believe that I got the NVRAM backup back into its correct place, see separate thread of mine)
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shuntcap
post Jul 12 2018, 02:46 PM
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QUOTE(DonOregano @ Jul 12 2018, 04:33 PM) *
I am finally getting around to trying to get mobile data connection going on my Gemini. But I am having no luck. To say that I have been struggling would be an overstatement, since I simply have gotten nowhere at all...
...
(Note, I did have to reflash my device completely once, but I believe that I got the NVRAM backup back into its correct place, see separate thread of mine)


I haven't had a chance to play with the modem under Linux yet. I'm too disturbed by the poor graphics performance at this point. But I did lose my baseband due to reformatting the flash, and the method I described to you in another thread for reformatting and reflashing (including NVRAM) in one fell swoop does not restore the GSM baseband firmware (under Android, baseband and IMEI numbers all show as unknown). In order to properly recover, I had to boot Android with a *BLANK* NVRAM partition, let Android restore the baseband firmware, then flash the NVRAM partition separately (which then restores the IMEI numbers). It's a two-step process. User "aleem" describes it here: https://www.oesf.org/forum/index.php?showtopic=35259. Looking at your log output, RIL (Radio Interface Layer; i.e., the interface to the modem) keeps disconnecting, which I saw in my Android logs as well.
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Adam Boardman
post Jul 12 2018, 03:33 PM
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Once you've double checked your NVRAM stuff (perhaps make a call in Android?), if ofonod still fails then also double check that you added the 'radio' user/group and rebooted etc.
As per: DebuggingMobile
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DonOregano
post Jul 12 2018, 11:49 PM
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Thanks both of you!

This means that I will have to reflash again, since I am currently running LinuxOnly :-)

I will get an Android partition running, and then report back!
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DonOregano
post Jul 15 2018, 02:14 PM
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Nope, cannot do anything "mobile" from Android either. It would appear that I have been struck by the problem described in here:

https://www.oesf.org/forum/index.php?showtopic=35233

Will attempt some of the solutions described in there...
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