EM05-CN模块网络中断，信号良好，quectel-CM自动重拨长时间无法成功，附log

物联网模组 4G标准模组
1

块引用
[03-12_16:41:10:629] QmiWwanThread read=-1 errno: 11 (Resource temporarily unavailable)
[03-12_16:43:10:502] requestSetupDataCall message timeout
[03-12_16:43:10:502] requestSetupDataCall err = 110
[03-12_16:43:10:502] try to requestSetupDataCall 5 second later
[03-12_16:43:15:524] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:43:15:524] try to requestSetupDataCall 10 second later
[03-12_16:43:25:541] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:43:25:541] try to requestSetupDataCall 20 second later
[03-12_16:43:45:572] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:43:45:572] try to requestSetupDataCall 40 second later
[03-12_16:44:25:636] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:44:25:636] try to requestSetupDataCall 60 second later
[03-12_16:45:25:700] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:45:25:700] try to requestSetupDataCall 60 second later
[03-12_16:46:25:765] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:46:25:765] try to requestSetupDataCall 60 second later
[03-12_16:47:25:829] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:47:25:829] try to requestSetupDataCall 60 second later
[03-12_16:48:25:893] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:48:25:893] try to requestSetupDataCall 60 second later
[03-12_16:49:25:958] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:49:25:958] try to requestSetupDataCall 60 second later
[03-12_16:50:26:022] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:50:26:022] try to requestSetupDataCall 60 second later
[03-12_16:51:26:086] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:51:26:086] try to requestSetupDataCall 60 second later
[03-12_16:52:26:150] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:52:26:151] try to requestSetupDataCall 60 second later
[03-12_16:53:26:215] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:53:26:215] try to requestSetupDataCall 60 second later
[03-12_16:54:26:280] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:54:26:280] try to requestSetupDataCall 60 second later
[03-12_16:55:26:344] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:55:26:344] try to requestSetupDataCall 60 second later
[03-12_16:56:26:408] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
[03-12_16:56:26:408] try to requestSetupDataCall 60 second later
[03-12_16:57:26:472] requestSetupDataCall QMUXResult = 0x1, QMUXError = 0x1a
块引用
b’+CSQ: 26,99\r\n’
b’+QENG: “servingcell”,“NOCONN”,“LTE”,“FDD”,460,11,B032465,213,1650,3,5,5,E852,-85,-4,-61,25,42\r\n’

2

这种情况，重启下quectel-CM呢

3

手动重启quectel-CM可以连上
这种情况是quectel-CM驱动有问题？用的是1.6.7版

4

出现这种异常只能重启quectel-CM。
通信出现异常了，原因未知。

5

目前我们尝试使用usbnet模式，测试下来连不上网的概率远低于使用quectel-CM，但是使用usbnet模式似乎不会有像quectel-CM输出的log，如果出现连不上网的情况如何判断sim卡是否正常，没有例如锁卡之类的异常