<html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#FFFFFF"> lsof /dev/cdc-wdm0 responde is blank I took a look on dmesg but cdc_mbim was just after the qmi_wwan but to be sure I add "blacklist cdc_mbim" in my /etc/modprobe.d/blacklist.conf now I notice I got a wwan0 interface (before it was something like <code>wwp0s20u7c2i12 dmesg is saying : </code>dmesg | grep usb [ 0.444392] usbcore: registered new interface driver usbfs [ 0.444403] usbcore: registered new interface driver hub [ 0.444430] usbcore: registered new device driver usb [ 0.769003] usb 3-1: new high-speed USB device number 2 using ehci-pci [ 0.805614] usb 1-7: new high-speed USB device number 2 using xhci_hcd [ 0.981689] usb 1-7: config 1 has an invalid interface number: 8 but max is 3 [ 0.981692] usb 1-7: config 1 has no interface number 1 [ 0.982130] usb 1-7: config 2 has an invalid interface number: 12 but max is 1 [ 0.982132] usb 1-7: config 2 has an invalid interface number: 13 but max is 1 [ 0.982133] usb 1-7: config 2 has an invalid interface number: 13 but max is 1 [ 0.982135] usb 1-7: config 2 has no interface number 0 [ 0.982136] usb 1-7: config 2 has no interface number 1 [ 1.142156] usb 1-8: new full-speed USB device number 3 using xhci_hcd [ 1.323489] usbcore: registered new interface driver usbserial [ 1.323502] usbcore: registered new interface driver usbserial_generic [ 1.323513] usbserial: USB Serial support registered for generic [ 1.326399] usbcore: registered new interface driver qcserial [ 1.326419] usbserial: USB Serial support registered for Qualcomm USB modem [ 1.328231] usb 1-7: Qualcomm USB modem converter now attached to ttyUSB0 [ 1.328969] usb 1-7: Qualcomm USB modem converter now attached to ttyUSB1 [ 1.330019] usb 1-7: Qualcomm USB modem converter now attached to ttyUSB2 [ 1.333364] usbcore: registered new interface driver cdc_wdm [ 1.337615] qmi_wwan 1-7:1.8 wwan0: register 'qmi_wwan' at usb-0000:00:14.0-7, WWAN/QMI device, 36:fe:05:05:d8:79 [ 1.337644] usbcore: registered new interface driver qmi_wwan [ 1.339447] usbcore: registered new interface driver btusb but same thing when I trie to pass any command I got timed out.. modemmanager : ModemManager ModemManager[655]: <info> ModemManager (version 1.4.12) starting in system bus... ModemManager[655]: <warn> (ttyUSB0): port attributes not fully set ModemManager[655]: <warn> (ttyUSB1): port attributes not fully set ModemManager[655]: <warn> (ttyUSB2): port attributes not fully set ModemManager[655]: [/dev/cdc-wdm0] Opening device with flags 'version-info, proxy'... ModemManager[655]: cannot connect to proxy: Could not connect: Connection refused ModemManager[655]: spawning new qmi-proxy (try 1)... ModemManager[655]: [/dev/cdc-wdm0] Checking version info (10 retries)... ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:19.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.2/0000:03:00.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.3/0000:04:00.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.4/0000:05:00.0/0000:06:01.0/0000:07:00.0': not supported by any plugin ModemManager[655]: <info> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.5/0000:09:00.0': not supported by any plugin ModemManager[655]: <info> Creating modem with plugin 'Gobi' and '5' ports ModemManager[655]: <warn> Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' ModemManager[655]: <warn> Could not grab port (tty/ttyUSB1): 'Cannot add port 'tty/ttyUSB1', unhandled serial type' ModemManager[655]: <warn> (ttyUSB2): port attributes not fully set ModemManager[655]: <info> Modem for device at '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7' successfully created ModemManager[655]: <info> Creating modem with plugin 'Generic' and '1' ports ModemManager[655]: <warn> Could not grab port (tty/ttyS3): 'Cannot add port 'tty/ttyS3', unhandled serial type' ModemManager[655]: <warn> Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port ModemManager[655]: <info> Modem: state changed (unknown -> disabled) :( excuse me to bother you with this problem and I appreciate a lot your help to troubleshoot the problem ... <div class="moz-cite-prefix">On 10/27/15 15:14, Bjørn Mork wrote: </div> <blockquote cite="mid:87egggh00m.fsf@nemi.mork.no" type="cite"> <pre wrap="">"Benoît" <a class="moz-txt-link-rfc2396E" href="mailto:benoitne@gmail.com"><benoitne@gmail.com></a> writes: </pre> <blockquote type="cite"> <pre wrap="">Many thanks I did it (writing udev rules) and now I can see ttyUSB0 ttyUSB1 ttyUSB2 When I try to speak to the modem I always got a Transaction Timed out. It is like I am unable to unlock it? (qmicli -d /dev/cdc-wdm0 --dms-set-fcc-authentication error: couldn't create client for the 'dms' service: CID allocation failed in the CTL client: Transaction timed out) all commands I try to pass are Timed out for ModemManager I tried to see: </pre> </blockquote> <pre wrap=""> </pre> <blockquote type="cite"> <pre wrap="">ModemManager[725]: <warn> Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' </pre> </blockquote> <pre wrap=""> This doesn't look good. Is there something else holding the device open? "lsof /dev/cdc-wdm0" will tell. Was the configuration switch too late? "dmesg" will tell. If it shows cdc_mbim probing before the switch, then you will have to prevent that somehow. Blacklisting cdc_mbim maybe. Bjørn </pre> </blockquote> </body> </html>