Launchpad has imported 9 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=91189.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2015-07-02T11:11:18+00:00 Kai-Heng Feng wrote: Created attachment 116875 Debug message from ModemManager. The EM7455 (Dell DW5811e) is not working when using the git master ModemManager/libmbim/libqmi. The last message piece from "ModemManager --debug": ModemManager[2470]: <info> [1435834110.545710] [mm-device.c:520] mm_device_create_modem(): Creating modem with plugin 'Dell' and '2' ports ModemManager[2470]: <debug> [1435834110.545727] [dell/mm-plugin-dell.c:382] create_modem(): Dell-branded generic modem found... ModemManager[2470]: <warn> [1435834110.545871] [mm-plugin.c:974] mm_plugin_create_modem(): Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' ModemManager[2470]: <debug> [1435834110.545898] [mm-base-modem.c:312] mm_base_modem_grab_port(): (wwan0) type 'net' claimed by /sys/devices/pci0000:00/0000:00:14.0/usb2/2-2 ModemManager[2470]: <debug> [1435834110.545926] [mm-base-modem.c:1493] finalize(): Modem (Dell) '/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2' completely disposed ModemManager[2470]: <warn> [1435834110.545939] [mm-base-manager.c:158] find_device_support_ready(): Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2': Failed to find primary AT port I tried mbimcli by "mbimcli -d /dev/cdc-wdm0 --query-device-caps --verbose": [02 Jul 2015, 19:02:36] [Debug] opening device... [02 Jul 2015, 19:02:36] [Debug] [/dev/cdc-wdm0] Queried max control message size: 4096 [02 Jul 2015, 19:02:36] [Debug] [/dev/cdc-wdm0] Sent message... <<<<<< RAW: <<<<<< length = 16 <<<<<< data = 01:00:00:00:10:00:00:00:01:00:00:00:00:10:00:00 [02 Jul 2015, 19:02:36] [Debug] [/dev/cdc-wdm0] Sent message (translated)... <<<<<< Header: <<<<<< length = 16 <<<<<< type = open (0x00000001) <<<<<< transaction = 1 <<<<<< Contents: <<<<<< max_control_transfer = 4096 And the transaction repeats for 30 times, in the end it says: [02 Jul 2015, 19:03:06] [Debug] open operation timed out: closed error: couldn't open the MbimDevice: Transaction timed out But when using EM7305, everything works as expected. Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/7 ------------------------------------------------------------------------ On 2015-07-02T11:12:06+00:00 Kai-Heng Feng wrote: Created attachment 116876 Message from mbimcli. Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/8 ------------------------------------------------------------------------ On 2015-07-06T07:43:26+00:00 Aleksander Morgado wrote: Looks like the mbim-proxy cannot get the MBIM port open. Could you run the following sequence? [stop ModemManager] $ sudo /usr/libexec/mbim-proxy --verbose > proxy.log 2>&1 & $ sudo /usr/sbin/ModemManager --debug And send back the proxy log? Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/9 ------------------------------------------------------------------------ On 2015-07-06T09:29:23+00:00 Kai-Heng Feng wrote: Created attachment 116969 Log file from mbim-proxy. Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/10 ------------------------------------------------------------------------ On 2015-07-06T10:14:07+00:00 Aleksander Morgado wrote: (In reply to Kai-Heng Feng from comment #3) > Created attachment 116969 [details] > Log file from mbim-proxy. Looks like the proxy didn't receive anything. Was ModemManager run *after* running the proxy? Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/11 ------------------------------------------------------------------------ On 2015-07-06T10:32:47+00:00 Kai-Heng Feng wrote: Created attachment 116971 Log file from mbim-proxy. Yes. There was already a ModemManager instance running. Here's the correct log. Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/12 ------------------------------------------------------------------------ On 2015-07-06T10:39:25+00:00 Aleksander Morgado wrote: (In reply to Kai-Heng Feng from comment #5) > Created attachment 116971 [details] > Log file from mbim-proxy. > > Yes. There was already a ModemManager instance running. Here's the correct > log. Thanks. Pretty weird, the modem doesn't seem to ever reply to any MBIM message... Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/13 ------------------------------------------------------------------------ On 2015-07-08T05:33:03+00:00 Kai-Heng Feng wrote: Is there any chance that cdc_mbim kernel module does not support this card? Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/14 ------------------------------------------------------------------------ On 2015-07-17T11:19:42+00:00 Kai-Heng Feng wrote: Now I can make the device work by changing the retry timer from 1s to 4s in mbim_device_command(): http://cgit.freedesktop.org/libmbim/libmbim/tree/src/libmbim-glib/mbim-device.c#n1234 After changing that, the device can operate normally. So looks like it may be a driver/firmware/hardware problem. Reply at: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1441095/comments/15 ** Changed in: modemmanager Status: Unknown => Confirmed ** Changed in: modemmanager Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1441095 Title: novatel: improve probing for Dell branded modems To manage notifications about this bug go to: https://bugs.launchpad.net/modemmanager/+bug/1441095/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
