Cannot get signal in MC7304 via libqmi 1.12.6 randomly.

[Zophia Javier]

Hi,

My device cannot get signal in MC7304 via libqmi 1.12.6 randomly.

Module: MC7304

Command: /usr/bin/qmicli -d /dev/cdc-wdm1 --nas-get-signal-strength --device-open-proxy

Following information is dumped from  "/usr/local/libexec/qmi-proxy -v".
We could see that client connection closed accidentally.

Does anyone have idea on this? 

--
[6/59483]
[19 May 2015, 19:35:06] [Debug] connection to QMI device '/dev/cdc-wdm1' established
[19 May 2015, 19:35:06] [Debug] [/dev/cdc-wdm1] Sent message...
<<<<<< RAW:
<<<<<<   length = 16
<<<<<<   data   = 01:0F:00:00:00:00:00:01:22:00:04:00:01:01:00:03

[19 May 2015, 19:35:06] [Debug] [/dev/cdc-wdm1] Sent message (translated)...
<<<<<< QMUX:
<<<<<<   length  = 15
<<<<<<   flags   = 0x00
<<<<<<   service = "ctl"
<<<<<<   client  = 0
<<<<<< QMI:
<<<<<<   flags       = "none"
<<<<<<   transaction = 1
<<<<<<   tlv_length  = 4
<<<<<<   message     = "Allocate CID" (0x0022)
<<<<<< TLV:
<<<<<<   type       = "Service" (0x01)
<<<<<<   length     = 1
<<<<<<   value      = 03
<<<<<<   translated = nas

[19 May 2015, 19:35:06] [Debug] [/dev/cdc-wdm1] Received message...
>>>>>> RAW:
>>>>>>   length = 12
>>>>>>   data   = 01:0B:00:80:00:00:02:00:27:00:00:00

[19 May 2015, 19:35:06] [Debug] [/dev/cdc-wdm1] Received message (translated)...
>>>>>> QMUX:
>>>>>>   length  = 11
>>>>>>   flags   = 0x80
>>>>>>   service = "ctl"
>>>>>>   client  = 0
>>>>>> QMI:
>>>>>>   flags       = "indication"
>>>>>>   transaction = 0
>>>>>>   tlv_length  = 0
>>>>>>   message     = "Sync" (0x0027)

[19 May 2015, 19:35:06] [Debug] [/dev/cdc-wdm1] Sync indication received
[19 May 2015, 19:35:17] [Debug] client connection closed
[19 May 2015, 19:35:17] [Debug] closing device '/dev/cdc-wdm1': no longer used

 		 	   		  
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