Created attachment 1103608 [details] corresponding part of /var/log/messages Description of problem: I am unable to connect to 3G if USB modem was physically unplugged and plugged again. Problem occurs after updating system to F23. I must restart system to repair it. Version-Release number of selected component (if applicable): $ lsusb ..Bus 001 Device 004: ID 12d1:1001 Huawei Technologies Co., Ltd. E169/E620/E800 HSDPA Modem .. How reproducible: Steps to Reproduce: 1. unplug USB modem and plug it again 2. HW is detected, nm-applet trying to connect but fails (LED blinking unlike to correct connected state - lights continuously) Actual results: I must restart OS to reconnect Expected results: 1. suggestion/workaround how to reconnect modem manually (CLI) without restart OS 2. restore the previous automatic operation Additional info: As I know, there was a problem with this HW in the past because it contains slot for memory card. Log is attached. HW was removed about 12:57
pppd appears unable to negotiate an address with the modem's firmware. When the device is detected by NM, can you grab the output of: lsusb -v 12d1:1001 Also, any idea what specific model of modem this is? It should be printed somewhere on the modem itself, otherwise you can grab the output of: mmcli -m X where 'X' is the number at the end of the modem path returned by "mmcli -L".
Created attachment 1104185 [details] result of lsusb -v -d 12d1:1001
$ mmcli -L Found 1 modems: /org/freedesktop/ModemManager1/Modem/0 [huawei] E1750 $ mmcli -m 0 /org/freedesktop/ModemManager1/Modem/0 (device id '016a7698f9749ba88a0f3382fc1c8ea028f35c0b') ------------------------- Hardware | manufacturer: 'huawei' | model: 'E1750' | revision: '11.126.03.00.55' | supported: 'gsm-umts' | current: 'gsm-umts' | equipment id: '354818043414678' ------------------------- System | device: '/sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2' | drivers: 'option1' | plugin: 'Generic' | primary port: 'ttyUSB0' | ports: 'ttyUSB0 (at), ttyUSB1 (qcdm), ttyUSB2 (at)' ------------------------- Numbers | own : 'unknown' ------------------------- Status | lock: 'none' | unlock retries: 'unknown' | state: 'connected' | power state: 'on' | access tech: 'gprs' | signal quality: '61' (recent) ------------------------- Modes | supported: 'allowed: 2g, 3g; preferred: none' | current: 'allowed: 2g, 3g; preferred: none' ------------------------- Bands | supported: 'unknown' | current: 'unknown' ------------------------- IP | supported: 'ipv4, ipv6' ------------------------- 3GPP | imei: '354818043414678' | enabled locks: 'none' | operator id: 'unknown' | operator name: 'Vodafone CZ' | subscription: 'unknown' | registration: 'home' ------------------------- SIM | path: '/org/freedesktop/ModemManager1/SIM/0' ------------------------- Bearers | paths: '/org/freedesktop/ModemManager1/Bearer/2'
I've done upgrade of my OS two days ago and un/plug of the USB WiFi works well. New kernel, maybe? Linux 4.2.6-300.fc23.i686 #1 SMP Tue Nov 10 20:12:16 UTC 2015 i686 i686 i386 GNU/Linux
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