RM520N-GL quectel-CM problem

Dear all,

I am using the following devices and driver versions:

  • Device: RM520N-GL (RM520NGLAAR01A06M4G)
  • Driver: pcie_mhi v1.3.5
  • quectel-CM: v1.6.1

I am encountering the following difficulty: When using “quectel-CM,” the program gets stuck at “try to requestSetupDataCall 5 seconds later.”

nvidia@tegra-ubuntu:~$ sudo quectel-CM
[sudo] password for nvidia:
[07-26_06:46:29:553] QConnectManager_Linux_V1.6.1
[07-26_06:46:29:554] Find /sys/bus/usb/devices/1-4.2 idVendor=0x2c7c idProduct=0x801, bus=0x001, dev=0x004
[07-26_06:46:29:554] network interface '' or qmidev '' is not exist
[07-26_06:46:29:554] netcard driver = pcie_mhi, driver version = V1.3.5
[07-26_06:46:29:555] qmap_mode = 1, qmap_version = 9, qmap_size = 15360, muxid = 0x81, qmap_netcard = rmnet_mhi0.1
[07-26_06:46:29:555] Modem works in QMI mode
[07-26_06:46:29:574] cdc_wdm_fd = 7
[07-26_06:46:29:587] Get clientWDS = 17
[07-26_06:46:29:590] Get clientDMS = 1
[07-26_06:46:29:593] Get clientNAS = 3
[07-26_06:46:29:596] Get clientUIM = 2
[07-26_06:46:29:599] Get clientWDA = 1
[07-26_06:46:29:601] requestBaseBandVersion RM520NGLAAR01A06M4G
[07-26_06:46:29:604] qmap_settings.rx_urb_size = 15360
[07-26_06:46:29:604] qmap_settings.ul_data_aggregation_max_datagrams  = 11
[07-26_06:46:29:604] qmap_settings.ul_data_aggregation_max_size       = 8192
[07-26_06:46:29:604] qmap_settings.dl_minimum_padding                 = 0
[07-26_06:46:29:619] requestGetSIMStatus SIMStatus: SIM_READY
[07-26_06:46:29:621] requestGetProfile[1] ///0/IPV4V6
[07-26_06:46:29:624] requestRegistrationState2 MCC: 466, MNC: 92, PS: Attached, DataCap: 5G_NSA
[07-26_06:46:29:626] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
[07-26_06:46:29:626] ifconfig rmnet_mhi0 down
[07-26_06:46:29:630] ifconfig rmnet_mhi0.1 0.0.0.0
SIOCSIFFLAGS: Network is down
[07-26_06:46:29:632] ifconfig rmnet_mhi0.1 down
[07-26_06:46:29:640] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0xe
[07-26_06:46:29:640] call_end_reason is 1
[07-26_06:46:29:640] call_end_reason_type is 2
[07-26_06:46:29:640] call_end_reason_verbose is 241
[07-26_06:46:29:640] try to requestSetupDataCall 5 second later
[07-26_06:46:34:647] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0xe

According to this post:
EC25-AF w/ Verizon call_end_reason_verbose is 241
I have tried executing “apt remove modemmanager,” but unfortunately, the situation did not improve.

Attached herewith is the status of RM520N-GL

ATI
	Quectel
	RM520N-GL
	Revision: RM520NGLAAR01A06M4G

AT+GSN
	868371050266226

AT+QGMR
	RM520NGLAAR01A06M4G_01.200.01.200

AT+CFUN?
	+CFUN: 1

AT+CPIN?
	+CPIN: READY

AT+COPS?
	+COPS: 0,0,"Chunghwa Telecom",13

AT+CSQ
	+CSQ: 30,99

AT+CGDCONT?
	+CGDCONT: 1,"IPV4V6","","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
	+CGDCONT: 2,"IPV4V6","ims","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
	+CGDCONT: 3,"IPV4V6","sos","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,1,,,,,,,,,"",,,,0

AT+CREG?
	+CREG: 0,1

AT+CGREG?
	+CGREG: 0,0

AT+CGPADDR
	+CGPADDR: 1,"10.163.46.124","32.1.180.0.226.15.191.225.213.34.119.130.43.223.168.139"
	+CGPADDR: 2,"0.0.0.0","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0"
	+CGPADDR: 3,"0.0.0.0","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0"

AT+QNWINFO
	+QNWINFO: "FDD LTE","46692","LTE BAND 3",1750

AT+QCFG="band"
	ERROR

AT+QENG="servingcell"
	+QENG: "servingcell","NOCONN","LTE","FDD",466,92,3454017,103,1750,3,5,5,2BC0,-86,-12,-53,7,0,-,37

AT+QENG="neighbourcell"
	+QENG: "neighbourcell intra","LTE",1750,103,-12,-85,-52,-,38,7,6,6,62
	+QENG: "neighbourcell intra","LTE",1750,312,-14,-91,-62,-,32,7,6,6,62
	+QENG: "neighbourcell inter","LTE",1400,-,-,-,-,-,38,6,20,4
	+QENG: "neighbourcell inter","LTE",3400,-,-,-,-,-,32,6,20,4
	+QENG: "neighbourcell inter","LTE",3050,-,-,-,-,-,0,6,20,14
	+QENG: "neighbourcell inter","LTE",3650,-,-,-,-,-,0,6,20,4
	+QENG: "neighbourcell inter","LTE",3750,-,-,-,-,-,0,4,20,8
	+QENG: "neighbourcell","WCDMA",10787,0,8,10,-,-,-,-
	+QENG: "neighbourcell","WCDMA",10762,3,8,10,-,-,-,-

AT+QNWPREFCFG="mode_pref"
	+QNWPREFCFG: "mode_pref",AUTO

AT+QNWPREFCFG="ue_capability_band"
	+QNWPREFCFG: "gw_band",1:2:4:5:8:19
	+QNWPREFCFG: "lte_band",1:2:3:4:5:7:8:12:13:14:17:18:19:20:25:26:28:29:30:32:34:38:39:40:41:42:43:46:48:66:71
	+QNWPREFCFG: "nsa_nr5g_band",1:2:3:5:7:8:12:13:14:18:20:25:26:28:29:30:38:40:41:48:66:70:71:75:76:77:78:79
	+QNWPREFCFG: "nr5g_band",1:2:3:5:7:8:12:13:14:18:20:25:26:28:29:30:38:40:41:48:66:70:71:75:76:77:78:79

AT+QCFG="USBNET"
	+QCFG: "usbnet",0

If possible, I would appreciate your assistance in resolving this issue. I am looking forward to your response.

Wishing you all the best,

Evan

Dear @karee002eg
I have sent the latest version of Quectel-CM via Message, please try to test.

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