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Message #73973
[Bug 1326954] Re: ModemManager does not seem to recognize Sierra Wireless EM7305 (Fujitsu Lifebook S904)
systemd workaround:
systemctl stop/start ModemManager.service
in pm-utils /etc/pm/sleep.d/
works only if mobile broadband is connected before suspend.
Seems a kernel/firmware/something issue to me.
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https://bugs.launchpad.net/bugs/1326954
Title:
ModemManager does not seem to recognize Sierra Wireless EM7305
(Fujitsu Lifebook S904)
Status in ModemManager (with NetworkManager support):
New
Status in “libmbim” package in Ubuntu:
Confirmed
Status in “modemmanager” package in Ubuntu:
Invalid
Bug description:
Ubuntu 14.04, x86_64, ModemManager-1.0.0-2ubuntu1
Card: Sierra Wireless EM7305 (PCI Express M.2 form factor)
Expected: Sierra plugin is used
Happens: Generic plugin is used instead
After cold start the card seems to work almost fine, but does not come
back after suspend or hibernate. At least after hibernate MM may go
into a tight loop consuming 100% CPU.
MM debug log output (full log attached):
<debug> [1401992536.121631] [mm-plugin-manager.c:576] build_plugins_list(): (Plugin Manager) [wwan0] Found '1' plugins to try...
<debug> [1401992536.125236] [mm-plugin-manager.c:580] build_plugins_list(): (Plugin Manager) [wwan0] Will try with plugin 'Generic'
<debug> [1401992536.128923] [mm-plugin.c:700] mm_plugin_supports_port(): (Generic) [wwan0] probing deferred until result suggested
<debug> [1401992536.132687] [mm-plugin-manager.c:505] plugin_supports_port_ready(): (Plugin Manager) [wwan0] deferring support check until result suggested
<debug> [1401992536.142664] [mm-port-probe.c:536] wdm_probe_mbim(): (usbmisc/cdc-wdm0) probing MBIM...
<debug> [1401992538.202591] [mm-plugin-manager.c:646] min_probing_timeout_cb(): (Plugin Manager) [/sys/devices/pci0000:00/0000:00:14.0/usb1/1-6] Minimum probing time consumed
[/dev/cdc-wdm0] Queried max control message size: 4096[/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
[/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<< length = 16
<<<<<< type = open (0x00000001)
<<<<<< transaction = 1
<<<<<< Contents:
<<<<<< max_control_transfer = 4096
[/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>> length = 16
>>>>>> data = 01:00:00:80:10:00:00:00:01:00:00:00:00:00:00:00
<debug> [1401992539.481429] [mm-port-probe.c:300] mm_port_probe_set_result_mbim(): (usbmisc/cdc-wdm0) port is MBIM-capable
[/dev/cdc-wdm0] Sent message...
<<<<<< RAW:
<<<<<< length = 12
<<<<<< data = 02:00:00:00:0C:00:00:00:02:00:00:00
[/dev/cdc-wdm0] Sent message (translated)...
<<<<<< Header:
<<<<<< length = 12
<<<<<< type = close (0x00000002)
<<<<<< transaction = 2
[/dev/cdc-wdm0] Received message...
>>>>>> RAW:
>>>>>> length = 16
>>>>>> data = 02:00:00:80:10:00:00:00:02:00:00:00:00:00:00:00
<debug> [1401992539.545529] [mm-plugin-manager.c:417] plugin_supports_port_ready(): (Plugin Manager) (Generic) [cdc-wdm0] found best plugin for port
<debug> [1401992539.549361] [mm-plugin-manager.c:334] suggest_port_probe_result(): (Plugin Manager) (Generic) [wwan0] deferred task completed, got suggested plugin
<debug> [1401992539.553247] [mm-plugin-manager.c:274] port_probe_context_finished(): (Plugin Manager) 'cdc-wdm0' port probe finished, still 1 running probes in this device (wwan0)
<debug> [1401992539.556995] [mm-plugin.c:700] mm_plugin_supports_port(): (Generic) [wwan0] probing deferred until result suggested
<debug> [1401992539.560690] [mm-plugin-manager.c:485] plugin_supports_port_ready(): (Plugin Manager) (Generic) [wwan0] task completed, got suggested plugin
<debug> [1401992539.564175] [mm-plugin-manager.c:285] port_probe_context_finished(): (Plugin Manager) 'wwan0' port probe finished, last one in device
<debug> [1401992539.567868] [mm-plugin-manager.c:107] find_device_support_context_complete_and_free(): (Plugin Manager) [/sys/devices/pci0000:00/0000:00:14.0/usb1/1-6] device support check finished in '3.677528' seconds
<info> [1401992539.571611] [mm-device.c:486] mm_device_create_modem(): Creating modem with plugin 'Generic' and '2' ports
<debug> [1401992539.575477] [generic/mm-plugin-generic.c:73] create_modem(): MBIM-powered generic modem found...
mmcli output:
/org/freedesktop/ModemManager1/Modem/0 (device id 'b3a77501ed8da196baa804a4142ff280766f6f98')
-------------------------
Hardware | manufacturer: 'Generic'
| model: 'MBIM [1199:9063]'
| revision: 'SWI9X15C_01.12'
| supported: 'gsm-umts, lte'
| current: 'gsm-umts, lte'
| equipment id: '356906050069168'
-------------------------
System | device: '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-6'
| drivers: 'cdc_mbim'
| plugin: 'Generic'
| primary port: 'cdc-wdm0'
| ports: 'cdc-wdm0 (mbim), wwan0 (net)'
-------------------------
Numbers | own : 'unknown'
-------------------------
Status | lock: 'none'
| unlock retries: 'sim-pin2 (3)'
| state: 'disabled'
| power state: 'on'
| access tech: 'unknown'
| signal quality: '0' (cached)
-------------------------
Modes | supported: 'allowed: 2g, 3g, 4g; preferred: none'
| current: 'allowed: 2g, 3g, 4g; preferred: none'
-------------------------
Bands | supported: 'unknown'
| current: 'unknown'
-------------------------
IP | supported: 'ipv4, ipv6, ipv4v6'
-------------------------
3GPP | imei: '356906050069168'
| enabled locks: 'sim, fixed-dialing'
| operator id: 'unknown'
| operator name: 'unknown'
| registration: 'unknown'
-------------------------
SIM | path: '/org/freedesktop/ModemManager1/SIM/0'
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