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.
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": create_ modem() : Creating modem with plugin 'Dell' and '2' ports plugin- dell.c: 382] create_modem(): Dell-branded generic modem found... create_ modem() : Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' modem.c: 312] mm_base_ modem_grab_ port(): (wwan0) type 'net' claimed by /sys/devices/ pci0000: 00/0000: 00:14.0/ usb2/2- 2 modem.c: 1493] finalize(): Modem (Dell) '/sys/devices/ pci0000: 00/0000: 00:14.0/ usb2/2- 2' completely disposed 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
ModemManager[2470]: <info> [1435834110.545710] [mm-device.c:520] mm_device_
ModemManager[2470]: <debug> [1435834110.545727] [dell/mm-
ModemManager[2470]: <warn> [1435834110.545871] [mm-plugin.c:974] mm_plugin_
ModemManager[2470]: <debug> [1435834110.545898] [mm-base-
ModemManager[2470]: <debug> [1435834110.545926] [mm-base-
ModemManager[2470]: <warn> [1435834110.545939] [mm-base-
I tried mbimcli by "mbimcli -d /dev/cdc-wdm0 --query-device-caps --verbose": 00:10:00: 00:00:01: 00:00:00: 00:10:00: 00
[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:
[02 Jul 2015, 19:02:36] [Debug] [/dev/cdc-wdm0] Sent message (translated)... transfer = 4096
<<<<<< Header:
<<<<<< length = 16
<<<<<< type = open (0x00000001)
<<<<<< transaction = 1
<<<<<< Contents:
<<<<<< max_control_
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.