<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hi All,</div><div><br></div><div>My MC7455 sometimes can't detect SIM and and can't read IMSI information via below command. but I can confirm I plugin SIM and can read the information via AT command "AT+CIMI".</div><div><br></div><div>Is there someone encountered this issue before?</div><div><br></div><div><div>[root@tvupack]# qmicli -d /dev/cdc-wdm13 --dms-uim-get-imsi </div><div>error: operation failed: Transaction timed out</div><div>error: couldn't release client: Transaction timed out[/opt/tvu/TVUTransporter root@tvupack]</div><div>[root@tvupack]# qmicli -d /dev/cdc-wdm13 --dms-uim-get-imsi -v</div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Opening device with flags 'none'...</div><div>[23 Mar 2017, 02:27:36] [Debug] QMI Device at '/dev/cdc-wdm13' ready</div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Assuming service 'dms' is supported...</div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Allocating new client ID...</div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Sent message...</div><div><<<<<< RAW:</div><div><<<<<< length = 16</div><div><<<<<< data = 01:0F:00:00:00:00:00:01:22:00:04:00:01:01:00:02</div><div><br></div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Sent message (translated)...</div><div><<<<<< QMUX:</div><div><<<<<< length = 15</div><div><<<<<< flags = 0x00</div><div><<<<<< service = "ctl"</div><div><<<<<< client = 0</div><div><<<<<< QMI:</div><div><<<<<< flags = "none"</div><div><<<<<< transaction = 1</div><div><<<<<< tlv_length = 4</div><div><<<<<< message = "Allocate CID" (0x0022)</div><div><<<<<< TLV:</div><div><<<<<< type = "Service" (0x01)</div><div><<<<<< length = 1</div><div><<<<<< value = 02</div><div><<<<<< translated = dms</div><div><br></div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Received message...</div><div>>>>>>> RAW:</div><div>>>>>>> length = 24</div><div>>>>>>> data = 01:17:00:80:00:00:01:01:22:00:0C:00:02:04:00:00:00:00:00:01:02:00:02:12</div><div><br></div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Received message (translated)...</div><div>>>>>>> QMUX:</div><div>>>>>>> length = 23</div><div>>>>>>> flags = 0x80</div><div>>>>>>> service = "ctl"</div><div>>>>>>> client = 0</div><div>>>>>>> QMI:</div><div>>>>>>> flags = "response"</div><div>>>>>>> transaction = 1</div><div>>>>>>> tlv_length = 12</div><div>>>>>>> message = "Allocate CID" (0x0022)</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Result" (0x02)</div><div>>>>>>> length = 4</div><div>>>>>>> value = 00:00:00:00</div><div>>>>>>> translated = SUCCESS</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Allocation Info" (0x01)</div><div>>>>>>> length = 2</div><div>>>>>>> value = 02:12</div><div>>>>>>> translated = [ service = 'dms' cid = '18' ]</div><div><br></div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Registered 'dms' (version unknown) client with ID '18'</div><div>[23 Mar 2017, 02:27:36] [Debug] Asynchronously getting UIM IMSI...</div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Sent message...</div><div><<<<<< RAW:</div><div><<<<<< length = 13</div><div><<<<<< data = 01:0C:00:00:02:12:00:01:00:43:00:00:00</div><div><br></div><div>[23 Mar 2017, 02:27:36] [Debug] [/dev/cdc-wdm13] Sent message (translated)...</div><div><<<<<< QMUX:</div><div><<<<<< length = 12</div><div><<<<<< flags = 0x00</div><div><<<<<< service = "dms"</div><div><<<<<< client = 18</div><div><<<<<< QMI:</div><div><<<<<< flags = "none"</div><div><<<<<< transaction = 1</div><div><<<<<< tlv_length = 0</div><div><<<<<< message = "UIM Get IMSI" (0x0043)</div><div><br></div><div>[23 Mar 2017, 02:27:37] [Debug] [/dev/cdc-wdm13] Received message...</div><div>>>>>>> RAW:</div><div>>>>>>> length = 29</div><div>>>>>>> data = 01:1C:00:80:02:0B:02:01:00:22:00:10:00:02:04:00:00:00:00:00:01:06:00:4D:43:37:34:35:35</div><div><br></div><div>[23 Mar 2017, 02:27:37] [Debug] [/dev/cdc-wdm13] Received message (translated)...</div><div>>>>>>> QMUX:</div><div>>>>>>> length = 28</div><div>>>>>>> flags = 0x80</div><div>>>>>>> service = "dms"</div><div>>>>>>> client = 11</div><div>>>>>>> QMI:</div><div>>>>>>> flags = "response"</div><div>>>>>>> transaction = 1</div><div>>>>>>> tlv_length = 16</div><div>>>>>>> message = "Get Model" (0x0022)</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Result" (0x02)</div><div>>>>>>> length = 4</div><div>>>>>>> value = 00:00:00:00</div><div>>>>>>> translated = SUCCESS</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Model" (0x01)</div><div>>>>>>> length = 6</div><div>>>>>>> value = 4D:43:37:34:35:35</div><div>>>>>>> translated = MC7455</div><div><br></div><div>[23 Mar 2017, 02:27:37] [Debug] [/dev/cdc-wdm13] No transaction matched in received message</div><div>[23 Mar 2017, 02:27:40] [Debug] [/dev/cdc-wdm13] Received message...</div><div>>>>>>> RAW:</div><div>>>>>>> length = 24</div><div>>>>>>> data = 01:17:00:80:00:00:01:02:23:00:0C:00:02:04:00:00:00:00:00:01:02:00:02:0B</div><div><br></div><div>[23 Mar 2017, 02:27:40] [Debug] [/dev/cdc-wdm13] Received message (translated)...</div><div>>>>>>> QMUX:</div><div>>>>>>> length = 23</div><div>>>>>>> flags = 0x80</div><div>>>>>>> service = "ctl"</div><div>>>>>>> client = 0</div><div>>>>>>> QMI:</div><div>>>>>>> flags = "response"</div><div>>>>>>> transaction = 2</div><div>>>>>>> tlv_length = 12</div><div>>>>>>> message = "Release CID" (0x0023)</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Result" (0x02)</div><div>>>>>>> length = 4</div><div>>>>>>> value = 00:00:00:00</div><div>>>>>>> translated = SUCCESS</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Release Info" (0x01)</div><div>>>>>>> length = 2</div><div>>>>>>> value = 02:0B</div><div>>>>>>> translated = [ service = 'dms' cid = '11' ]</div><div><br></div><div>[23 Mar 2017, 02:27:40] [Debug] [/dev/cdc-wdm13] No transaction matched in received message</div><div>error: operation failed: Transaction timed out</div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Releasing 'dms' client with flags 'release-cid'...</div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Unregistered 'dms' client with ID '18'</div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Sent message...</div><div><<<<<< RAW:</div><div><<<<<< length = 17</div><div><<<<<< data = 01:10:00:00:00:00:00:02:23:00:05:00:01:02:00:02:12</div><div><br></div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Sent message (translated)...</div><div><<<<<< QMUX:</div><div><<<<<< length = 16</div><div><<<<<< flags = 0x00</div><div><<<<<< service = "ctl"</div><div><<<<<< client = 0</div><div><<<<<< QMI:</div><div><<<<<< flags = "none"</div><div><<<<<< transaction = 2</div><div><<<<<< tlv_length = 5</div><div><<<<<< message = "Release CID" (0x0023)</div><div><<<<<< TLV:</div><div><<<<<< type = "Release Info" (0x01)</div><div><<<<<< length = 2</div><div><<<<<< value = 02:12</div><div><<<<<< translated = [ service = 'dms' cid = '18' ]</div><div><br></div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Received message...</div><div>>>>>>> RAW:</div><div>>>>>>> length = 19</div><div>>>>>>> data = 01:12:00:80:00:00:01:01:22:00:07:00:02:04:00:01:00:05:00</div><div><br></div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] Received message (translated)...</div><div>>>>>>> QMUX:</div><div>>>>>>> length = 18</div><div>>>>>>> flags = 0x80</div><div>>>>>>> service = "ctl"</div><div>>>>>>> client = 0</div><div>>>>>>> QMI:</div><div>>>>>>> flags = "response"</div><div>>>>>>> transaction = 1</div><div>>>>>>> tlv_length = 7</div><div>>>>>>> message = "Allocate CID" (0x0022)</div><div>>>>>>> TLV:</div><div>>>>>>> type = "Result" (0x02)</div><div>>>>>>> length = 4</div><div>>>>>>> value = 01:00:05:00</div><div>>>>>>> translated = FAILURE: ClientIdsExhausted</div><div><br></div><div>[23 Mar 2017, 02:27:46] [Debug] [/dev/cdc-wdm13] No transaction matched in received message</div><div>[23 Mar 2017, 02:27:50] -Warning ** Error reading from istream: Resource temporarily unavailable</div><div>error: couldn't release client: Transaction timed out[</div></div><br><br><div>[root@tvupack]# ./com_at /dev/ttyUSB21 AT+CIMI</div><div>AT+CIMI</div><div>460067072049890</div><div><br></div><div>OK</div><br><div style="position:relative;zoom:1">--<br><div>
<div style="FONT-SIZE: 14px">
<div align="left"><strong><font color="#0000ff"><em>Best Regards,</em></font></strong></div>
<div><strong><font color="#0000ff"><em>Dai,Lijin</em></font></strong></div></div></div><div style="clear:both"></div></div></div><br><br><span title="neteasefooter"><p> </p></span>