Toby-L201 connect failure Ubuntu 18.04 Modem Manager 1.10.6 Linux Kernel Version 4.20.7

Thu Dec 5 18:24:17 UTC 2019

Aleksander,

Thank you for looking into this.

root at bionic-armhf:~# mmcli --modem 0 --simple-connect="apn=m2m.com.attz"
ModemManager[680]: <info>  [1575569894.762006] Simple connect started...
ModemManager[680]: <debug> [1575569894.762291]    PIN: unspecified
ModemManager[680]: <debug> [1575569894.762401]    Operator ID: unspecified
ModemManager[680]: <debug> [1575569894.762499]    Allowed roaming: yes
ModemManager[680]: <debug> [1575569894.762594]    APN: m2m.com.attz
ModemManager[680]: <debug> [1575569894.762686]    IP family: unspecified
ModemManager[680]: <debug> [1575569894.762778]    Allowed authentication:
unspecified
ModemManager[680]: <debug> [1575569894.762870]    User: unspecified
ModemManager[680]: <debug> [1575569894.762961]    Password: unspecified
ModemManager[680]: <info>  [1575569894.763051] Simple connect state (4/8):
Wait to get fully enabled
ModemManager[680]: <info>  [1575569894.763537] Simple connect state (5/8):
Register
ModemManager[680]: <debug> [1575569894.763752] Already registered in
network '310410', automatic registration not launched...
ModemManager[680]: <info>  [1575569894.763951] Simple connect state (6/8):
Bearer
ModemManager[680]: <debug> [1575569894.764072] Creating new bearer...
ModemManager[680]: <debug> [1575569894.764238] u-blox: checking current USB
profile...
ModemManager[680]: <debug> [1575569894.764388] (ttyACM0) device open count
is 2 (open)
ModemManager[680]: <debug> [1575569894.764643] (ttyACM0): -->
'AT+UUSBCONF?<CR>'
ModemManager[680]: <debug> [1575569894.767565] (ttyACM0): <--
'<CR><LF>+UUSBCONF: 3,"RNDIS",,"0x1146"<CR><LF>'
ModemManager[680]: <debug> [1575569894.767977] (ttyACM0): <--
'<CR><LF>OK<CR><LF>'
ModemManager[680]: <debug> [1575569894.768349] u-blox: usb profile loaded:
rndis
ModemManager[680]: <debug> [1575569894.768462] u-blox: checking current
networking mode...
ModemManager[680]: <debug> [1575569894.768599] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569894.768765] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569894.768963] (ttyACM0): -->
'AT+UBMCONF?<CR>'
ModemManager[680]: <debug> [1575569894.778431] (ttyACM0): <--
'<CR><LF>+UBMCONF: 1<CR><LF>'
ModemManager[680]: <debug> [1575569894.778802] (ttyACM0): <--
'<CR><LF>OK<CR><LF>'
ModemManager[680]: <debug> [1575569894.779135] u-blox: networking mode
loaded: router
ModemManager[680]: <debug> [1575569894.779251] u-blox: creating u-blox
broadband bearer (rndis profile, router mode)...
ModemManager[680]: <debug> [1575569894.780871] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569894.781081] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569894.781452] u-blox: new u-blox broadband
bearer created at DBus path '/org/freedesktop/ModemManager1/Bearer/0'
ModemManager[680]: <info>  [1575569894.782125] Simple connect state (7/8):
Connect
ModemManager[680]: <debug> [1575569894.782293] Connecting bearer
'/org/freedesktop/ModemManager1/Bearer/0'
ModemManager[680]: <info>  [1575569894.782484] Modem
/org/freedesktop/ModemManager1/Modem/0: state changed (registered ->
connecting)
ModemManager[680]: <debug> [1575569894.784225] Launching 3GPP connection
attempt with APN 'm2m.com.attz'
ModemManager[680]: <debug> [1575569894.784392] No specific IP family
requested, defaulting to ipv4
ModemManager[680]: <debug> [1575569894.784530] No specific IP family
requested, defaulting to ipv4
ModemManager[680]: <debug> [1575569894.784657] Looking for best CID...
ModemManager[680]: <debug> [1575569894.784804] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569894.785036] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569894.785237] (ttyACM0): -->
'AT+CGDCONT?<CR>'
ModemManager[680]: <debug> [1575569894.793937] (ttyACM0): <--
'<CR><LF>+CGDCONT: 1,"IP","m2m.com.attz","",0,0,0,0,0,0<CR><LF>'
ModemManager[680]: <debug> [1575569894.794405] (ttyACM0): <-- '+CGDCONT:
4,"IP","m2m.com.attz.mnc170.mcc310.gprs","10.246.2.90",0,0,0,0,0,0<CR><LF><CR><LF>OK<CR><LF>'
ModemManager[680]: <debug> [1575569894.794845] Found '2' PDP contexts
ModemManager[680]: <debug> [1575569894.794967]   PDP context [cid=1]
[type='ipv4'] [apn='m2m.com.attz']
ModemManager[680]: <debug> [1575569894.795067]   PDP context [cid=4]
[type='ipv4'] [apn='m2m.com.attz.mnc170.mcc310.gprs']
ModemManager[680]: <debug> [1575569894.795171] Found PDP context with CID 1
and PDP type ipv4 for APN 'm2m.com.attz'
ModemManager[680]: <debug> [1575569894.795349] checking supported
authentication methods...
ModemManager[680]: <debug> [1575569895.126663] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569895.127067] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569895.127478] (ttyACM0): -->
'AT+UAUTHREQ=?<CR>'
ModemManager[680]: <debug> [1575569895.135088] (ttyACM0): <--
'<CR><LF>+UAUTHREQ: (1-8),(0-2),,<CR><LF><CR><LF>OK<CR><LF>'
ModemManager[680]: <debug> [1575569895.135773] Not using authentication
ModemManager[680]: <debug> [1575569895.136019] setting up authentication
preferences in PDP context #1...
ModemManager[680]: <debug> [1575569895.136291] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569895.136604] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569895.136992] (ttyACM0): -->
'AT+UAUTHREQ=1,0,"",""<CR>'
ModemManager[680]: <debug> [1575569895.146146] (ttyACM0): <--
'<CR><LF>OK<CR><LF>'
ModemManager[680]: <debug> [1575569895.146689] activating PDP context #1...
ModemManager[680]: <debug> [1575569895.146969] (ttyACM0) device open count
is 3 (open)
ModemManager[680]: <debug> [1575569895.147284] (ttyACM0) device open count
is 2 (close)
ModemManager[680]: <debug> [1575569895.147665] (ttyACM0): -->
'AT+CGACT=1,1<CR>'
ModemManager[680]: <debug> [1575569895.456167] (ttyACM0): <-- '<CR><LF>+CME
ERROR: 100<CR><LF>'
ModemManager[680]: <debug> [1575569895.456747] Got failure code 100:
Unknown error
ModemManager[680]: <debug> [1575569895.457081] Couldn't connect bearer
'/org/freedesktop/ModemManager1/Bearer/0': 'Unknown error'
ModemManager[680]: <info>  [1575569895.457445] Modem
/org/freedesktop/ModemManager1/Modem/0: state changed (connecting ->
registered)
ModemManager[680]: <debug> [1575569895.460077] Couldn't connect bearer:
'Unknown error'
ModemManager[680]: <debug> [1575569895.462356] (ttyACM0) device open count
is 1 (close)
error: couldn't connect the modem:
'GDBus.Error:org.freedesktop.ModemManager1.Error.MobileEquipment.Unknown:
Unknown error'

Best regards,

*Cale CollinsField Applications EngineerGateworks Corporation*
(805)781-2000 x37
3026 S. Higuera, San Luis Obispo, CA 93401
www.gateworks.com

On Thu, Dec 5, 2019 at 12:35 AM Aleksander Morgado <aleksander at aleksander.es>
wrote:

> Hey!
>
> > root at bionic-armhf:~# mmcli -m 0 --enable
> > successfully enabled the modem
> > root at bionic-armhf:~# mmcli -m 0 --simple-connect="apn=m2m.com.attz"
> > error: couldn't connect the modem:
> > 'GDBus.Error:org.freedesktop.ModemManager1.Error.MobileEquipment.Unknown:
> > Unknown error'
>
> You need to setup ModemManager running with --debug so that we can
> look at the debug logs produced, we need to know which specific AT
> command was the one failing and triggering the simple connect error.
>
> --
> Aleksander
> https://aleksander.es
>
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