CentOS 7 and ModemManager. Stuck in "Connecting-Disconnecting" after connection attempt.

Oskar . oggw at hotmail.com
Wed Jul 25 14:03:40 UTC 2018


The Cellient (Qualcomm) module I am using is working 100% in Ubuntu 18.04. But when I try in CentOS 7 I am not able to connect.



ModemManager Debug when I run command: "mmcli -m 1 -b 0 -c"

Response: "Timeout was reached".


LOG:

ModemManager[3685]: [/dev/cdc-wdm0] Registered 'wds' (version 1.36) client with ID '10'
ModemManager[3685]: <debug> [1532526544.240055] [mm-broadband-modem-qmi.c:2951] load_signal_quality(): loading signal quality...
ModemManager[3685]: [/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 13
<<<<<<   data   = 01:0C:00:00:03:02:00:0D:00:20:00:00:00
ModemManager[3685]: [/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 12
<<<<<<   flags   = 0x00
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 13
<<<<<<   tlv_length  = 0
<<<<<<   message     = "Get Signal Strength" (0x0020)
ModemManager[3685]: [/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 25
<<<<<<   data   = 01:18:00:80:03:02:02:0D:00:20:00:0C:00:02:04:00:00:00:00:00:01:02:00:C1:08
ModemManager[3685]: [/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 24
<<<<<<   flags   = 0x80
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 13
<<<<<<   tlv_length  = 12
<<<<<<   message     = "Get Signal Strength" (0x0020)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "Signal Strength" (0x01)
<<<<<<   length     = 2
<<<<<<   value      = C1:08
<<<<<<   translated = [ strength = '-63' radio_interface = 'lte' ]
ModemManager[3685]: <debug> [1532526544.276838] [mm-broadband-modem-qmi.c:2841] signal_strength_get_quality_and_access_tech(): Signal strength (lte): -63 dBm
ModemManager[3685]: <debug> [1532526544.276877] [mm-broadband-modem-qmi.c:2874] signal_strength_get_quality_and_access_tech(): Signal strength: -63 dBm --> 81%
ModemManager[3685]: <debug> [1532526544.276991] [mm-iface-modem.c:1206] update_signal_quality(): Modem /org/freedesktop/ModemManager1/Modem/1: signal quality updated (81)
ModemManager[3685]: <debug> [1532526574.266142] [mm-broadband-modem-qmi.c:2951] load_signal_quality(): loading signal quality...
ModemManager[3685]: [/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 13
<<<<<<   data   = 01:0C:00:00:03:02:00:0E:00:20:00:00:00
ModemManager[3685]: [/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 12
<<<<<<   flags   = 0x00
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 14
<<<<<<   tlv_length  = 0
<<<<<<   message     = "Get Signal Strength" (0x0020)
ModemManager[3685]: [/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 25
<<<<<<   data   = 01:18:00:80:03:02:02:0E:00:20:00:0C:00:02:04:00:00:00:00:00:01:02:00:C1:08
ModemManager[3685]: [/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 24
<<<<<<   flags   = 0x80
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 14
<<<<<<   tlv_length  = 12
<<<<<<   message     = "Get Signal Strength" (0x0020)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "Signal Strength" (0x01)
<<<<<<   length     = 2
<<<<<<   value      = C1:08
<<<<<<   translated = [ strength = '-63' radio_interface = 'lte' ]
ModemManager[3685]: <debug> [1532526574.292973] [mm-broadband-modem-qmi.c:2841] signal_strength_get_quality_and_access_tech(): Signal strength (lte): -63 dBm
ModemManager[3685]: <debug> [1532526574.293010] [mm-broadband-modem-qmi.c:2874] signal_strength_get_quality_and_access_tech(): Signal strength: -63 dBm --> 81%
ModemManager[3685]: <debug> [1532526574.293149] [mm-iface-modem.c:1206] update_signal_quality(): Modem /org/freedesktop/ModemManager1/Modem/1: signal quality updated (81)
ModemManager[3685]: [/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 27
<<<<<<   data   = 01:1A:00:80:01:0A:04:00:00:22:00:0E:00:01:02:00:02:00:12:01:00:04:13:02:00:80:88
ModemManager[3685]: [/dev/cdc-wdm0] received generic indication (translated)...
<<<<<< QMUX:
<<<<<<   length  = 26
<<<<<<   flags   = 0x80
<<<<<<   service = "wds"
<<<<<<   client  = 10
<<<<<< QMI:
<<<<<<   flags       = "indication"
<<<<<<   transaction = 0
<<<<<<   tlv_length  = 14
<<<<<<   message     = "Packet Service Status" (0x0022)
<<<<<< TLV:
<<<<<<   type       = "Connection Status" (0x01)
<<<<<<   length     = 2
<<<<<<   value      = 02:00
<<<<<<   translated = [ status = 'connected' reconfiguration_required = 'no' ]
<<<<<< TLV:
<<<<<<   type       = "IP Family" (0x12)
<<<<<<   length     = 1
<<<<<<   value      = 04
<<<<<<   translated = ipv4
<<<<<< TLV:
<<<<<<   type   = 0x13
<<<<<<   length = 2
<<<<<<   value  = 80:88
ModemManager[3685]: <debug> [1532526604.238476] [mm-broadband-modem-qmi.c:2951] load_signal_quality(): loading signal quality...
ModemManager[3685]: [/dev/cdc-wdm0] sent message...
<<<<<< RAW:
<<<<<<   length = 13
<<<<<<   data   = 01:0C:00:00:03:02:00:0F:00:20:00:00:00
ModemManager[3685]: [/dev/cdc-wdm0] sent generic request (translated)...
<<<<<< QMUX:
<<<<<<   length  = 12
<<<<<<   flags   = 0x00
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 15
<<<<<<   tlv_length  = 0
<<<<<<   message     = "Get Signal Strength" (0x0020)
ModemManager[3685]: [/dev/cdc-wdm0] received message...
<<<<<< RAW:
<<<<<<   length = 25
<<<<<<   data   = 01:18:00:80:03:02:02:0F:00:20:00:0C:00:02:04:00:00:00:00:00:01:02:00:C1:08
ModemManager[3685]: [/dev/cdc-wdm0] received generic response (translated)...
<<<<<< QMUX:
<<<<<<   length  = 24
<<<<<<   flags   = 0x80
<<<<<<   service = "nas"
<<<<<<   client  = 2
<<<<<< QMI:
<<<<<<   flags       = "response"
<<<<<<   transaction = 15
<<<<<<   tlv_length  = 12
<<<<<<   message     = "Get Signal Strength" (0x0020)
<<<<<< TLV:
<<<<<<   type       = "Result" (0x02)
<<<<<<   length     = 4
<<<<<<   value      = 00:00:00:00
<<<<<<   translated = SUCCESS
<<<<<< TLV:
<<<<<<   type       = "Signal Strength" (0x01)
<<<<<<   length     = 2
<<<<<<   value      = C1:08
<<<<<<   translated = [ strength = '-63' radio_interface = 'lte' ]
ModemManager[3685]: <debug> [1532526604.244929] [mm-broadband-modem-qmi.c:2841] signal_strength_get_quality_and_access_tech(): Signal strength (lte): -63 dBm
ModemManager[3685]: <debug> [1532526604.244959] [mm-broadband-modem-qmi.c:2874] signal_strength_get_quality_and_access_tech(): Signal strength: -63 dBm --> 81%
ModemManager[3685]: <debug> [1532526604.245052] [mm-iface-modem.c:1206] update_signal_quality(): Modem /org/freedesktop/ModemManager1/Modem/1: signal quality updated (81)

Best Regards
Oskar

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