Hi jupiter,
On Thu, Aug 1, 2019 at 1:01 PM JH <jupiter....@gmail.com> wrote:
>
> Hi,
>
> I have a device connect to 4G LTE, it was in good connection status on
> start up, after a couple of hours, it dropped LTE connection, the
> ofono did not show any errors, but connman had lots of error messages
> at following, could any one help to explain what could be the problem?
> Could it be ofono issue or connman issue? The device has small flash
> size which don't have enough space to debug tools.
>
> # journalctl -u ofono
> -- Logs begin at Fri 2019-07-05 05:07:42 UTC, end at Thu 2019-08-01 10:42:49
> UT-
> Aug 01 07:49:47 systemd[1]: Starting Telephony service...
> Aug 01 07:49:48 ofonod[188]: oFono version 1.24
> Aug 01 07:49:48 systemd[1]: Started Telephony service.
> Aug 01 07:49:53 ofonod[188]: Interface org.ofono.AllowedAccessPoints not t
> Aug 01 07:49:57 ofonod[188]: LTE attach IP type: 0
> Aug 01 08:09:39 ofonod[188]: LTE attach IP type: 0
>
> # journalctl -u connman
> .........
> Aug 01 08:09:39 connmand[181]: Skipping disconnect of
> /ubloxqmi_0/context1, network is connecting.
> Aug 01 08:09:39 connmand[181]: ipconfig state 2 ipconfig method 1
> Aug 01 08:09:39 connmand[181]: wwan0 {RX} 45 packets 7963 bytes
> Aug 01 08:09:39 connmand[181]: wwan0 {TX} 56 packets 4730 bytes
> Aug 01 08:09:39 connmand[181]: wwan0 {update} flags 69841
> <UP,RUNNING,LOWER_UP>
> Aug 01 08:09:39 connmand[181]: wwan0 {newlink} index 4 address
> 00:00:00:00:00:00 mtu 1500
> Aug 01 08:09:39 connmand[181]: wwan0 {newlink} index 4 operstate 0 <UNKNOWN>
> Aug 01 08:09:39 connmand[181]: ipconfig state 3 ipconfig method 1
> Aug 01 08:09:39 connmand[181]: wwan0 {add} address 10.114.23.145/30
> label wwan0 family 2
> Aug 01 08:09:39 connmand[181]: wwan0 {add} route 10.114.23.144 gw
> 0.0.0.0 scope 253 <LINK>
> Aug 01 08:09:39 connmand[181]: wwan0 {add} route 10.114.23.146 gw
> 0.0.0.0 scope 253 <LINK>
> Aug 01 08:09:39 connmand[181]: wwan0 {add} route 10.4.58.204 gw
> 10.114.23.146 scope 0 <UNIVERSE>
> Aug 01 08:09:39 connmand[181]: wwan0 {add} route 0.0.0.0 gw
> 10.114.23.146 scope 0 <UNIVERSE>
> Aug 01 08:09:45 connmand[181]: Online check failed for 0xa71cf8 Telstra
> Aug 01 09:34:10 connmand[181]: wwan0 {RX} 140 packets 15185 bytes
> Aug 01 09:34:10 connmand[181]: wwan0 {TX} 158 packets 12440 bytes
> Aug 01 09:34:10 connmand[181]: wwan0 {update} flags 4240 <DOWN>
> Aug 01 09:34:11 connmand[181]: wwan0 {newlink} index 4 address
> 00:00:00:00:00:00 mtu 1500
> Aug 01 09:34:11 connmand[181]: wwan0 {newlink} index 4 operstate 2 <DOWN>
> Aug 01 09:34:11 connmand[181]: Time request for server 10.114.23.146
> failed (101/Network is unreachable)
> Aug 01 09:34:11 connmand[181]: wwan0 {del} address 10.114.23.145/30 label
> wwan0
> Aug 01 09:34:11 connmand[181]: Skipping disconnect of
> /ubloxqmi_0/context1, network is connecting.
> Aug 01 09:34:11 connmand[181]: ipconfig state 2 ipconfig method 1
> Aug 01 09:34:11 connmand[181]: Failed to change property:
> /ubloxqmi_0/context1 org.ofono.ConnectionContext.Active:
> org.ofono.Error.Failed Operation failed
> Aug 01 09:34:11 connmand[181]: ipconfig state 7 ipconfig method 1
> Aug 01 09:34:11 connmand[181]: Skipping disconnect of
> /ubloxqmi_0/context1, network is connecting.
> Aug 01 09:34:11 connmand[181]: ipconfig state 2 ipconfig method 1
> Aug 01 09:34:11 connmand[181]: Failed to change property:
> /ubloxqmi_0/context1 org.ofono.ConnectionContext.Active:
> org.ofono.Error.Failed Operation failed
> Aug 01 09:34:11 connmand[181]: ipconfig state 7 ipconfig method 1
> Aug 01 09:34:11 connmand[181]: Skipping disconnect of
> /ubloxqmi_0/context1, network is connecting.
> Aug 01 09:34:11 connmand[181]: ipconfig state 2 ipconfig method 1
> Aug 01 09:34:11 connmand[181]: Failed to change property:
> /ubloxqmi_0/context1 org.ofono.ConnectionContext.Active:
> org.ofono.Error.Failed Operation failed
most likely the network dropped the context without signaling.
What kind of modem is it? And would you know also the chipset?
>
> -------
>
> Thank you.
>
> Kind regards,
>
> - jupiter
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Best regards,
Giacinto
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