<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt">Actually I have now managed to get debugging logs from modemmanager: <div>** Message: ModemManager (version 0.4) starting... ** Message: Loaded plugin Gobi ** Message: Loaded plugin Nokia ** Message: Loaded plugin Ericsson MBM ** Message: Loaded plugin Sierra ** Message: Loaded plugin Option High-Speed ** Message: Loaded plugin SimTech ** Message: Loaded plugin Huawei ** Message: Loaded plugin Generic ** Message: Loaded plugin Novatel ** Message: Loaded plugin ZTE ** Message: Loaded plugin Longcheer ** Message: Loaded plugin AnyData ** Message: Loaded plugin Option ** Message: Loaded plugin MotoC ** (modem-manager.exec:10057): DEBUG: (tty/ttyS1): port's parent platform driver is not whitelisted ** (modem-manager.exec:10057): DEBUG: (tty/ttyS2): port's parent platform driver is not whitelisted ** (modem-manager.exec:10057): DEBUG: (tty/ttyS3): port's parent platform driver is not whitelisted ** (modem-manager.exec:10057): DEBUG: (tty/ttyS0): could not get port's parent device ** (modem-manager.exec:10057): DEBUG: (net/sit0): could not get port's parent device ** (modem-manager.exec:10057): DEBUG: (net/tun120280): could not get port's parent device ** (modem-manager.exec:10057): DEBUG: (net/tun120285): could not get port's parent device ** (modem-manager.exec:10057): DEBUG: (net/tun120291): could not get port's parent device ** Message: (ttyUSB0) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386603996.308210> (ttyUSB0) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: (ttyUSB0): probe requested by plugin 'Gobi' ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386603996.308363> (ttyUSB1) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: (ttyUSB1): probe requested by plugin 'Gobi' ** (modem-manager.exec:10057): DEBUG: <1386603996.408713> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386603997.209745> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386603998.11047> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386603998.11265> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386603998.812368> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386603998.812518> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386603999.613695> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386603999.613873> (ttyUSB1): --> 'ATI<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604000.14469> (ttyUSB1): <-- 'ATI<CR><CR><LF>Manufacturer: Qualcomm Incorporated<CR><LF>Model: HP un2420 Mobile Broadband Module<CR><LF>Revision: D1025-STUTABGD-3574 1 [Apr 07 2009 19:00:00]<CR><LF>SVN: 02<CR><LF>IMEI: 359881029347184<CR><LF>+GCAP: +CGSM,+DS,+ES<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604000.14616> (ttyUSB1) device open count is 0 (close) ** Message: (ttyUSB1) closing serial device... ** Message: (ttyUSB1) type primary claimed by /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604000.16686> (ttyUSB1) device open count is 1 (open) ** Message: (Gobi): GSM modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 claimed port ttyUSB1 ** (modem-manager.exec:10057): DEBUG: Added modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: <1386604000.16960> (ttyUSB1): --> 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604000.26836> (ttyUSB1): <-- 'AT+CPIN?' ** (modem-manager.exec:10057): DEBUG: <1386604000.27256> (ttyUSB1): <-- '<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604000.27891> (ttyUSB1): <-- '<CR><LF>+CPIN: SIM PIN<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604000.28033> (ttyUSB1) device open count is 0 (close) ** Message: (ttyUSB1) closing serial device... ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: <1386604000.367700> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604004.370269> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604008.369513> (ttyUSB0) device open count is 0 (close) ** Message: (ttyUSB0) closing serial device... ** Message: (ttyUSB0) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604008.409215> (ttyUSB0) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: <1386604008.409363> (ttyUSB0): --> 00 78 f0 7e ** (modem-manager.exec:10057): DEBUG: <1386604011.369944> (ttyUSB0): --> 00 78 f0 7e ** (modem-manager.exec:10057): DEBUG: <1386604011.415448> (ttyUSB0): <-- 00 41 70 72 20 20 37 20 32 30 30 39 31 38 3a 35 32 3a 31 33 41 70 72 20 30 37 20 32 30 30 39 31 39 3a 30 30 3a 30 30 53 54 55 54 41 42 47 44 00 00 0c 00 00 00 01 b2 df f9 7e ** (modem-manager.exec:10057): DEBUG: <1386604011.415611> (ttyUSB0) device open count is 0 (close) ** Message: (ttyUSB0) closing serial device... ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): ignoring port unsupported by physical modem's plugin ** (modem-manager.exec:10057): DEBUG: Exported modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 as /org/freedesktop/ModemManager/Modems/0 ** (modem-manager.exec:10057): DEBUG: (/org/freedesktop/ModemManager/Modems/0): data port is ttyUSB1 ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604055.726163> (ttyUSB1) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: <1386604055.726290> (ttyUSB1): --> 'AT+CPIN="1902"<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.742711> (ttyUSB1): <-- 'AT+CPIN="1902"<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.850823> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604055.850971> (ttyUSB1): --> 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.860813> (ttyUSB1): <-- 'AT+CPI' ** (modem-manager.exec:10057): DEBUG: <1386604055.861483> (ttyUSB1): <-- 'N' ** (modem-manager.exec:10057): DEBUG: <1386604055.862481> (ttyUSB1): <-- '?' ** (modem-manager.exec:10057): DEBUG: <1386604055.863268> (ttyUSB1): <-- '<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.864477> (ttyUSB1): <-- '<CR><LF>+CPIN: READY<CR><LF><CR><LF>OK<CR><LF>' ** Message: Modem /org/freedesktop/ModemManager/Modems/0: unlock no longer required ** (modem-manager.exec:10057): DEBUG: <1386604055.864849> (ttyUSB1) device open count is 0 (close) ** Message: (ttyUSB1) closing serial device... ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604055.867052> (ttyUSB1) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: <1386604055.867134> Modem /org/freedesktop/ModemManager/Modems/0: state changed (disabled -> enabling) ** (modem-manager.exec:10057): DEBUG: <1386604055.967450> (ttyUSB1): --> 'ATZ E0 V1<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.978477> (ttyUSB1): <-- 'ATZ E0 V1' ** (modem-manager.exec:10057): DEBUG: <1386604055.978611> (ttyUSB1): <-- '<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604055.996782> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604055.996885> (ttyUSB1): --> 'ATE0<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.2504> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.2589> (ttyUSB1): --> 'AT+CMEE=1<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.13531> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.13609> (ttyUSB1): --> 'ATX4 &C1<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.23510> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.23598> (ttyUSB1): --> 'AT+CFUN=1<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.34563> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.34743> (ttyUSB1): --> 'AT+IFC=1,1<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.46692> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.46811> (ttyUSB1): --> 'AT+GMI<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.57923> (ttyUSB1): <-- '<CR><LF>Qualcomm Incorporated<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.58048> (ttyUSB1): --> 'AT+GMM<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.68151> (ttyUSB1): <-- '<CR><LF>HP un2420 Mobile Broadband Module<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.68288> (ttyUSB1): --> 'AT+GMR<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.75978> (ttyUSB1): <-- '<CR><LF>D1025-STUTABGD-3574 1 [Apr 07 2009 19:00:00]<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.76082> (ttyUSB1): --> 'AT+CGMI<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.87585> (ttyUSB1): <-- '<CR><LF>Qualcomm Incorporated<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.87699> (ttyUSB1): --> 'AT+CGMM<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.111224> (ttyUSB1): <-- '<CR><LF>HP un2420 Mobile Broadband Module<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.111339> (ttyUSB1): --> 'AT+CGMR<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.120106> (ttyUSB1): <-- '<CR><LF>D1025-STUTABGD-3574 1 [Apr 07 2009 19:00:00]<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.120221> (ttyUSB1): --> 'AT+CSCS=?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.131202> (ttyUSB1): <-- '<CR><LF>+CSCS: ("IRA","GSM","UCS2")<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.131428> (ttyUSB1): --> 'AT+CSCS="UCS2"<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.151066> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.151171> (ttyUSB1): --> 'AT+CSCS?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.161071> (ttyUSB1): <-- '<CR><LF>+CSCS: "UCS2"<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.161228> Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabling -> enabled)</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"> </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Here the modem has been unlocked, the PIN has been sent, and the modem is now enabled.</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">Now some AT commands follow, and then you can see that the modem suddenly disconnects.</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"> </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">** (modem-manager.exec:10057): DEBUG: <1386604056.161485> (ttyUSB1): --> 'AT+CREG=2<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.172414> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.172504> (ttyUSB1): --> 'AT+CREG?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.182373> (ttyUSB1): <-- '<CR><LF>+CREG: 2,0<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.182502> (ttyUSB1): --> 'AT+CGREG=2<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.194591> (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604056.194677> (ttyUSB1): --> 'AT+CGREG?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604056.205682> (ttyUSB1): <-- '<CR><LF>+CGREG: 2,0<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604059.985766> (ttyUSB1) device open count is 0 (close)</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"> </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">BOOM, here the device is being closed. I guess the AT commands must have caused this? Any ideas?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"> </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;">** Message: (ttyUSB1) closing serial device... ** (modem-manager.exec:10057): DEBUG: <1386604059.990265> Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabled -> disabled) ** (modem-manager.exec:10057): DEBUG: Removed modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** Message: (ttyUSB0) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604061.829359> (ttyUSB0) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: (ttyUSB0): probe requested by plugin 'Gobi' ** (modem-manager.exec:10057): DEBUG: <1386604061.929710> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604065.873876> (ttyUSB0) device open count is 0 (close) ** Message: (ttyUSB0) closing serial device... ** (modem-manager.exec:10057): CRITICAL **: mm_serial_port_close: assertion `priv->open_count > 0' failed ** Message: (ttyUSB0) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604066.180543> (ttyUSB0) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: (ttyUSB0): probe requested by plugin 'Gobi' ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604066.180694> (ttyUSB1) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: (ttyUSB1): probe requested by plugin 'Gobi' ** (modem-manager.exec:10057): DEBUG: <1386604066.281043> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604068.83331> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604068.884476> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386604068.884706> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604069.685969> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386604069.686161> (ttyUSB1): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604070.487166> (ttyUSB1): <-- 'AT+GCAP<CR><CR><LF>ERROR<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 100: Unknown error ** (modem-manager.exec:10057): DEBUG: <1386604070.487394> (ttyUSB1): --> 'ATI<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604070.888096> (ttyUSB1): <-- 'ATI<CR><CR><LF>Manufacturer: Qualcomm Incorporated<CR><LF>Model: HP un2420 Mobile Broadband Module<CR><LF>Revision: D1025-STUTABGD-3574 1 [Apr 07 2009 19:00:00]<CR><LF>SVN: 02<CR><LF>IMEI: 359881029347184<CR><LF>+GCAP: +CGSM,+DS,+ES<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604070.888281> (ttyUSB1) device open count is 0 (close) ** Message: (ttyUSB1) closing serial device... ** Message: (ttyUSB1) type primary claimed by /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** Message: (ttyUSB1) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604070.889671> (ttyUSB1) device open count is 1 (open) ** Message: (Gobi): GSM modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 claimed port ttyUSB1 ** (modem-manager.exec:10057): DEBUG: Added modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: <1386604070.889938> (ttyUSB1): --> 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604070.899768> (ttyUSB1): <-- 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604070.900311> (ttyUSB1): <-- '<CR><LF>+CME ERROR: SIM busy<CR><LF>' ** (modem-manager.exec:10057): DEBUG: Got failure code 14: SIM busy ** (modem-manager.exec:10057): DEBUG: <1386604071.367163> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604073.367737> (ttyUSB1): --> 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604073.377724> (ttyUSB1): <-- 'AT+CPIN?<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604073.378516> (ttyUSB1): <-- '<CR><LF>+CPIN: SIM PIN<CR><LF><CR><LF>OK<CR><LF>' ** (modem-manager.exec:10057): DEBUG: <1386604073.378681> (ttyUSB1) device open count is 0 (close) ** Message: (ttyUSB1) closing serial device... ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 ** (modem-manager.exec:10057): DEBUG: <1386604075.368644> (ttyUSB0): --> 'AT+GCAP<CR>' ** (modem-manager.exec:10057): DEBUG: <1386604079.370094> (ttyUSB0) device open count is 0 (close) ** Message: (ttyUSB0) closing serial device... ** Message: (ttyUSB0) opening serial device... ** (modem-manager.exec:10057): DEBUG: <1386604079.410074> (ttyUSB0) device open count is 1 (open) ** (modem-manager.exec:10057): DEBUG: <1386604079.410184> (ttyUSB0): --> 00 78 f0 7e ** (modem-manager.exec:10057): DEBUG: <1386604082.369506> (ttyUSB0): --> 00 78 f0 7e ** (modem-manager.exec:10057): DEBUG: <1386604082.413770> (ttyUSB0): <-- 00 41 70 72 20 20 37 20 32 30 30 39 31 38 3a 35 32 3a 31 33 41 70 72 20 30 37 20 32 30 30 39 31 39 3a 30 30 3a 30 30 53 54 55 54 41 42 47 44 00 00 0c 00 00 00 01 b2 df f9 7e ** (modem-manager.exec:10057): DEBUG: <1386604082.413876> (ttyUSB0) device open count is 0 (close) ** Message: (ttyUSB0) closing serial device... ** (modem-manager.exec:10057): DEBUG: (tty/ttyUSB0): ignoring port unsupported by physical modem's plugin ** (modem-manager.exec:10057): DEBUG: Exported modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 as /org/freedesktop/ModemManager/Modems/1 ** (modem-manager.exec:10057): DEBUG: (/org/freedesktop/ModemManager/Modems/1): data port is ttyUSB1 </div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> Karoline Haus <karolinehaus@yahoo.de> schrieb am 16:28 Montag, 9.Dezember 2013: </div> <div class="y_msg_container"><div id="yiv2940051372"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;"><div>Hi Aleksander,</div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">No, I cannot update modemmanager to a newer version for now. My system is restricted with what packages I can load/install.</div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">What I can see here from the logs, it looks like after NetworkManager has enabled WWAN support, the driver does a reset and then reports "firmware changed". See below. Anyone ever seen this? </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">Unfortunately I cannot get any debugging from modemmanager, because when I kill the process as explained in your Wiki, then automatically a new process modemmanger is started without me being able to start it manually with --debugging enabled.</div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">Thanks for any further advice.</div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">Karoline </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;"> </div><div style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;background-color:transparent;font-style:normal;">Dec 09 16:18:13 [modem-manager] (ttyUSB1) opening serial device... Dec 09 16:18:13 [modem-manager] Modem /org/freedesktop/ModemManager/Modems/0: unlock no longer required Dec 09 16:18:13 [modem-manager] (ttyUSB1) closing serial device... Dec 09 16:18:13 [modem-manager] (ttyUSB1) opening serial device... Dec 09 16:18:13 [modem-manager] Modem /org/freedesktop/ModemManager/Modems/0: state changed (disabled -> enabling) Dec 09 16:18:13 [modem-manager] Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabling -> enabled) Dec 09 16:18:13 [NetworkManager] <info> WWAN now enabled by management service Dec 09 16:18:17 [kernel] [ 351.895517] usb 1-1.2: reset high-speed USB device number 4 using ehci_hcd Dec 09 16:18:17 [kernel] [ 351.981628] usb 1-1.2: device firmware changed Dec 09 16:18:17 [modem-manager] (ttyUSB1) closing serial device... Dec 09 16:18:17 [kernel] [ 351.982068] usb 1-1.2: USB disconnect, device number 4 Dec 09 16:18:17 [kernel] [ 351.982279] qcserial ttyUSB0: Qualcomm USB modem converter now disconnected from ttyUSB0 Dec 09 16:18:17 [kernel] [ 351.982310] qcserial 1-1.2:1.1: device disconnected Dec 09 16:18:17 [kernel] [ 351.982494] qcserial ttyUSB1: Qualcomm USB modem converter now disconnected from ttyUSB1 Dec 09 16:18:17 [kernel] [ 351.982513] qcserial 1-1.2:1.2: device disconnected Dec 09 16:18:17 [modem-manager] Modem /org/freedesktop/ModemManager/Modems/0: state changed (enabled -> disabled) Dec 09 16:18:17 [NetworkManager] <info> (ttyUSB1): now unmanaged Dec 09 16:18:17 [NetworkManager] <info> (ttyUSB1): device state change: 3 -> 1 (reason 36) Dec 09 16:18:17 [NetworkManager] <info> (ttyUSB1): cleaning up... Dec 09 16:18:17 [NetworkManager] <info> (ttyUSB1): taking down device. </div><div class="yiv2940051372yahoo_quoted" style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;"> <div dir="ltr"> Aleksander Morgado <aleksander@lanedo.com> schrieb am 12:41 Montag, 9.Dezember 2013: </div> <div class="yiv2940051372yqt1031755154" id="yiv2940051372yqt58390"><div class="yiv2940051372y_msg_container">Hey Karoline, > Hi I'm using modemmanager-0.4 and I've got a problem trying to use my > integrated HP broadband modem. > > Here the logs and a description of the problem: > > ModemManager and NetworkManager detect my modem OK. > > Dec 06 10:43:09 [modem-manager] (ttyUSB0) closing serial device... > Dec 06 10:43:09 [modem-manager] (ttyUSB0) opening serial device... > Dec 06 10:43:12 [modem-manager] (ttyUSB0) closing serial device... > Dec 06 10:43:12 [NetworkManager] <warn> (ttyUSB1): failed to look up > interface index > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): new GSM device > (driver: 'qcserial' ifindex: -1) > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): exported as > /org/freedesktop/NetworkManager/Devices/2 > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): now managed > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): device state change: > 1 -> 2 (reason 2) > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): deactivating device > (reason: 2). > Dec 06 10:43:12 [NetworkManager] <info> (ttyUSB1): device state change: > 2 -> 3 (reason 0) > Dec 06 10:43:54 [modem-manager] (ttyUSB1) opening serial device... > Dec 06 10:43:54 [modem-manager] Modem > /org/freedesktop/ModemManager/Modems/0: unlock no longer required > Dec 06 10:43:54 [modem-manager] (ttyUSB1) closing serial device... > Dec 06 10:43:54 [modem-manager] (ttyUSB1) opening serial device... > Dec 06 10:43:54 [modem-manager] Modem > /org/freedesktop/ModemManager/Modems/0: state changed (disabled -> enabling) > Dec 06 10:43:54 [modem-manager] Modem > /org/freedesktop/ModemManager/Modems/0: state changed (enabling -> enabled) > Dec 06 10:43:54 [NetworkManager] <info> WWAN now enabled by management > service > > At this point I have programmatically enabled and unlocked the modem by > sending sendPin() and enable() to the modem via DBUS. > But then, suddenly I get a disconnect from the USB modem. I don't > understand why this happens, and I don't do anything programmatically > here other than requesting modem information (manufacturer, network > registration). > > Dec 06 10:43:58 [modem-manager] (ttyUSB1) closing serial device... > Dec 06 10:43:58 [kernel] [ 90.892492] usb 1-1.2: USB disconnect, > device number 4 > Dec 06 10:43:58 [kernel] [ 90.892658] qcserial ttyUSB0: Qualcomm USB > modem converter now disconnected from ttyUSB0 > Dec 06 10:43:58 [kernel] [ 90.892676] qcserial 1-1.2:1.1: device > disconnected > Dec 06 10:43:58 [kernel] [ 90.892807] qcserial ttyUSB1: Qualcomm USB > modem converter now disconnected from ttyUSB1 > Dec 06 10:43:58 [kernel] [ 90.892819] qcserial 1-1.2:1.2: device > disconnected > Dec 06 10:43:58 [modem-manager] Modem > /org/freedesktop/ModemManager/Modems/0: state changed (enabled -> disabled) > Dec 06 10:43:58 [NetworkManager] <info> (ttyUSB1): now unmanaged > Dec 06 10:43:58 [NetworkManager] <info> (ttyUSB1): device state change: > 3 -> 1 (reason 36) > Dec 06 10:43:58 [NetworkManager] <info> (ttyUSB1): cleaning up... > Dec 06 10:43:58 [NetworkManager] <info> (ttyUSB1): taking down device. > > At this point the modem is down and disappeared from ModemManager. > Then it shows up again as a new USB device. > > Dec 06 10:43:59 [kernel] [ 91.323911] usb 1-1.2: new high-speed USB > device number 8 using ehci_hcd > Dec 06 10:43:59 [kernel] [ 91.412677] usb 1-1.2: config 1 has an > invalid interface number: 1 but max is 0 > Dec 06 10:43:59 [kernel] [ 91.412683] usb 1-1.2: config 1 has no > interface number 0 > Dec 06 10:43:59 [kernel] [ 91.414620] usb 1-1.2: New USB device found, > idVendor=03f0, idProduct=241d > Dec 06 10:43:59 [kernel] [ 91.414626] usb 1-1.2: New USB device > strings: Mfr=3, Product=2, SerialNumber=0 > Dec 06 10:43:59 [kernel] [ 91.414630] usb 1-1.2: Product: HP un2420 > Mobile Broadband Module > Dec 06 10:43:59 [kernel] [ 91.414634] usb 1-1.2: Manufacturer: > Qualcomm Incorporated > Dec 06 10:43:59 [kernel] [ 91.416325] qcserial 1-1.2:1.1: Qualcomm USB > modem converter detected > Dec 06 10:43:59 [kernel] [ 91.416443] usb 1-1.2: Qualcomm USB modem > converter now attached to ttyUSB0 > Dec 06 10:44:00 [modem-manager] (ttyUSB0) opening serial device... > Dec 06 10:44:04 [modem-manager] (ttyUSB0) closing serial device... > Dec 06 10:44:04 [kernel] [ 96.254729] usb 1-1.2: USB disconnect, > device number 8 > Dec 06 10:44:04 [kernel] [ 96.254856] qcserial ttyUSB0: Qualcomm USB > modem converter now disconnected from ttyUSB0 > Dec 06 10:44:04 [kernel] [ 96.254873] qcserial 1-1.2:1.1: device > disconnected > Dec 06 10:44:04 [modem-manager] mm_serial_port_close: assertion > `priv->open_count > 0' failed > Dec 06 10:44:04 [kernel] [ 96.431980] usb 1-1.2: new high-speed USB > device number 9 using ehci_hcd > Dec 06 10:44:04 [kernel] [ 96.529939] usb 1-1.2: New USB device found, > idVendor=03f0, idProduct=251d > Dec 06 10:44:04 [kernel] [ 96.529945] usb 1-1.2: New USB device > strings: Mfr=4, Product=3, SerialNumber=0 > Dec 06 10:44:04 [kernel] [ 96.529949] usb 1-1.2: Product: HP un2420 > Mobile Broadband Module > Dec 06 10:44:04 [kernel] [ 96.529953] usb 1-1.2: Manufacturer: > Qualcomm Incorporated > Dec 06 10:44:04 [kernel] [ 96.534212] qcserial 1-1.2:1.1: Qualcomm USB > modem converter detected > Dec 06 10:44:04 [kernel] [ 96.534294] usb 1-1.2: Qualcomm USB modem > converter now attached to ttyUSB0 > Dec 06 10:44:04 [kernel] [ 96.535342] qcserial 1-1.2:1.2: Qualcomm USB > modem converter detected > Dec 06 10:44:04 [kernel] [ 96.535419] usb 1-1.2: Qualcomm USB modem > converter now attached to ttyUSB1 > > Here ModemManager then detects a new device (the same modem!!) and > registeres as a new modem device under a different DBUS path than > previously (even though still the same device). > > Dec 06 10:44:04 [modem-manager] (ttyUSB0) opening serial device... > Dec 06 10:44:04 [modem-manager] (ttyUSB1) opening serial device... > Dec 06 10:44:08 [modem-manager] (ttyUSB1) closing serial device... > Dec 06 10:44:08 [modem-manager] (ttyUSB1) opening serial device... > Dec 06 10:44:08 [modem-manager] (Gobi): GSM modem > /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 claimed port ttyUSB1 > Dec 06 10:44:08 [modem-manager] (ttyUSB1) closing serial device... > Dec 06 10:44:17 [modem-manager] (ttyUSB0) closing serial device... > Dec 06 10:44:17 [modem-manager] (ttyUSB0) opening serial device... > Dec 06 10:44:20 [modem-manager] (ttyUSB0) closing serial device... > Dec 06 10:44:20 [NetworkManager] <warn> (ttyUSB1): failed to look up > interface index > Dec 06 10:44:20 [NetworkManager] <info> WWAN now disabled by management > service > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): new GSM device > (driver: 'qcserial' ifindex: -1) > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): exported as > /org/freedesktop/NetworkManager/Devices/3 > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): now managed > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): device state change: > 1 -> 2 (reason 2) > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): deactivating device > (reason: 2). > Dec 06 10:44:20 [NetworkManager] <info> (ttyUSB1): device state change: > 2 -> 3 (reason 0) > > Anyone got any idea why this happens and how I can further debug the > problem? > 0.4 is a really really old version. Aren't you able to upgrade it to something newer, like 0.6.x at least? Of course 1.0.x with libqmi support would be much better anyway, as I see it's a Gobi device. Anyway, there's little we can do without debug logs from ModemManager. You can probably follow the instructions here, but I'm not sure whether they apply to MM 0.4: <a rel="nofollow" shape="rect" target="_blank" href="https://wiki.gnome.org/Projects/NetworkManager/Debugging">https://wiki.gnome.org/Projects/NetworkManager/Debugging</a> If you're really into trying MM 1.0, use these ones: <a rel="nofollow" shape="rect" target="_blank" href="http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/">http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/</a> -- Aleksander<div class="yiv2940051372yqt2561204746" id="yiv2940051372yqtfd23073"> _______________________________________________ ModemManager-devel mailing list <a rel="nofollow" shape="rect" ymailto="mailto:ModemManager-devel@lists.freedesktop.org" target="_blank" href="mailto:ModemManager-devel@lists.freedesktop.org">ModemManager-devel@lists.freedesktop.org</a> <a rel="nofollow" shape="rect" target="_blank" href="http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel">http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel</a> </div> </div></div> </div> </div> </div> </div></div></div> <div class="yqt1031755154" id="yqt56653">_______________________________________________ ModemManager-devel mailing list <a shape="rect" ymailto="mailto:ModemManager-devel@lists.freedesktop.org" href="mailto:ModemManager-devel@lists.freedesktop.org">ModemManager-devel@lists.freedesktop.org</a> <a shape="rect" href="http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/modemmanager-devel</a> </div> </div> </div> </div> </div> </div></body></html>