Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: modemmanager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1561158
Title:
Sierra Wireless EM7305 SIM state detected falsely
Status in modemmanager package in Ubuntu:
Confirmed
Bug description:
Im on Ubuntu 15.10 with kernel 4.2.0-34-generic on 64bit. My Laptop
has a Sierra Wireless EM7305 WWAN modem built in, which used to work,
when I first received the laptop (on Ubuntu 14.10).
ModemManager 1.4.12-1ubuntu1
NetworkManager 1.0.4-0ubuntu5.3
The modem does not show up in NetworkManager anymore. ModemManager
reports the SIM to be missing, but it isn't. I booted up a Windows VM
and attached the USB device to confirm the modem correctly detects the
SIM.
mmcli -m 0 | grep -Ev equipment\|imei
/org/freedesktop/ModemManager1/Modem/0 (device id
'70f86bd11e9d52c0a616806d8577df83343c0cd3')
-------------------------
Hardware | manufacturer: 'Sierra'
| model: 'MBIM [1199:9063]'
| revision: 'SWI9X15C_05.05.47.00'
| supported: 'gsm-umts, lte'
| current: 'gsm-umts, lte'
-------------------------
System | device: '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4'
| drivers: 'cdc_mbim'
| plugin: 'Sierra'
| primary port: 'cdc-wdm0'
| ports: 'cdc-wdm0 (mbim), wwan0 (net)'
-------------------------
Numbers | own : 'unknown'
-------------------------
Status | lock: 'unknown'
| unlock retries: 'unknown'
| state: 'failed'
| failed reason: 'sim-missing'
| power state: 'low'
| access tech: 'unknown'
| signal quality: '0' (cached)
-------------------------
Modes | supported: 'allowed: 2g, 3g, 4g; preferred: none'
| current: 'allowed: any; preferred: none'
-------------------------
Bands | supported: 'unknown'
| current: 'unknown'
-------------------------
IP | supported: 'ipv4, ipv6, ipv4v6'
-------------------------
SIM | path: 'none'
-------------------------
Bearers | paths: 'none'
Output of ModemManager --debug in attached mm.log
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