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#1 2012-06-17 15:50:04

Harey
Member
From: Bavaria, Germany
Registered: 2007-03-24
Posts: 367

[Solved] Sierra Wireless 3G Modem stopped working after upgrading

I have a Fujitsu Lifebook E751vPro with an integrated 3G USB Modem. This used to work flawlessly with kde, networkmanager, modemmanager and kdeplasma-applets-networkmanagement. Now I upgraded my laptop with pacman -Syu and mobile broadband connections don't show up anymore in kdeplasma-applets-networkmanagement. I have all testing repos enabled.

installed:
kdeplasma-applets-networkmanagement 1:0.9.0.2-1
networkmanager 0.9.4.0-6
networkmanager-dispatcher-openntpd 1.0-3
networkmanager-dispatcher-sshd 1.0-2
networkmanager-openvpn 0.9.4.0-1
modemmanager 0.5.2.0-2
mobile-broadband-provider-info 20120614-1

[root@gruenix ~]# lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f2:b240 Chicony Electronics Co., Ltd 
Bus 004 Device 003: ID 08ff:2683 AuthenTec, Inc. 
Bus 004 Device 004: ID 0b97:7761 O2 Micro, Inc. Oz776 1.1 Hub
Bus 004 Device 005: ID 0489:e031 Foxconn / Hon Hai 
Bus 004 Device 006: ID 1199:9011 Sierra Wireless, Inc. 
Bus 004 Device 007: ID 0b97:7772 O2 Micro, Inc. OZ776 CCID Smartcard Reader

Bus 004 Device 006: ID 1199:9011 Sierra Wireless, Inc. is the 3G modem

[root@gruenix ~]# dmesg | grep modem
[   17.510950] USB Serial support registered for Qualcomm USB modem
[   17.513728] qcserial 4-1.6:1.1: Qualcomm USB modem converter detected
[   17.513790] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB0
[   17.520483] qcserial 4-1.6:1.3: Qualcomm USB modem converter detected
[   17.520577] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB1
[root@gruenix ~]# cat /var/log/messages.log | grep modem
Jun 17 17:24:39 localhost kernel: [   17.510950] USB Serial support registered for Qualcomm USB modem
Jun 17 17:24:39 localhost kernel: [   17.513728] qcserial 4-1.6:1.1: Qualcomm USB modem converter detected
Jun 17 17:24:39 localhost kernel: [   17.513790] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB0
Jun 17 17:24:39 localhost kernel: [   17.520483] qcserial 4-1.6:1.3: Qualcomm USB modem converter detected
Jun 17 17:24:39 localhost kernel: [   17.520577] usb 4-1.6: Qualcomm USB modem converter now attached to ttyUSB1
Jun 17 17:24:39 localhost NetworkManager[731]: <info> trying to start the modem manager...
Jun 17 17:24:39 localhost modem-manager[788]: <info>  ModemManager (version 0.5.2.0) starting...
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin MotoC
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Option
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Nokia
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin AnyData
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Novatel
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Longcheer
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Option High-Speed
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin SimTech
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Sierra
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Gobi
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Linktop
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Samsung
Jun 17 17:24:39 localhost modem-manager[788]: <info>  Loaded plugin Ericsson MBM
Jun 17 17:24:40 localhost modem-manager[788]: <info>  Loaded plugin Generic
Jun 17 17:24:40 localhost modem-manager[788]: <info>  Loaded plugin Wavecom
Jun 17 17:24:40 localhost modem-manager[788]: <info>  Loaded plugin ZTE
Jun 17 17:24:40 localhost modem-manager[788]: <info>  Loaded plugin X22X
Jun 17 17:24:40 localhost modem-manager[788]: <info>  Loaded plugin Huawei
Jun 17 17:24:40 localhost modem-manager[788]: <info>  (ttyS0) opening serial port...
Jun 17 17:24:40 localhost modem-manager[788]: <info>  (ttyUSB0) opening serial port...
Jun 17 17:24:40 localhost modem-manager[788]: <info>  (ttyUSB1) opening serial port...
Jun 17 17:24:40 localhost NetworkManager[731]: <info> modem-manager is now available
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyS0) closing serial port...
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyS0) serial port closed
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyS0) opening serial port...
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB0) closing serial port...
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB0) serial port closed
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB0) opening serial port...
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB1) closing serial port...
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB1) serial port closed
Jun 17 17:24:51 localhost modem-manager[788]: <info>  (ttyUSB1) opening serial port...
Jun 17 17:24:54 localhost modem-manager[788]: <info>  (ttyUSB0) closing serial port...
Jun 17 17:24:54 localhost modem-manager[788]: <info>  (ttyUSB0) serial port closed
Jun 17 17:24:57 localhost modem-manager[788]: <info>  (ttyS0) closing serial port...
Jun 17 17:24:57 localhost modem-manager[788]: <info>  (ttyS0) serial port closed
Jun 17 17:24:57 localhost modem-manager[788]: <info>  (ttyUSB1) closing serial port...
Jun 17 17:24:57 localhost modem-manager[788]: <info>  (ttyUSB1) serial port closed

So the modem seems to be recognized and initialized. But why Qualcomm??

Again: this configuration worked before. Any clues?

Harvey

Last edited by Harey (2012-06-21 12:52:12)


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#2 2012-06-19 09:34:39

Harey
Member
From: Bavaria, Germany
Registered: 2007-03-24
Posts: 367

Re: [Solved] Sierra Wireless 3G Modem stopped working after upgrading

I fear this is a kernel bug. They added some lost IDs back in 3.4.3, but they seem to have missed mine...

http://www.kernel.org/pub/linux/kernel/ … eLog-3.4.3

commit a06d0d26d87cc397e11e75f6c1fc54d191bf60ef
Author: Bjørn Mork <bjorn@mork.no>
Date:   Tue Jun 5 21:18:10 2012 +0000

    net: sierra_net: device IDs for Aircard 320U++
   
    commit dd03cff23d694cfb0fdae80cb618e7ced05ea696 upstream.
   
    Adding device IDs for Aircard 320U and two other devices
    found in the out-of-tree version of this driver.

how can I verify this guess?

Harvey


Linux is like a wigwam: No Gates, no Windows and an Apache inside

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#3 2012-06-20 07:56:36

Harey
Member
From: Bavaria, Germany
Registered: 2007-03-24
Posts: 367

Re: [Solved] Sierra Wireless 3G Modem stopped working after upgrading

Since nobody seems to have an idea I filed a bug report
https://bugs.archlinux.org/task/30374


Linux is like a wigwam: No Gates, no Windows and an Apache inside

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#4 2012-06-21 12:49:46

Harey
Member
From: Bavaria, Germany
Registered: 2007-03-24
Posts: 367

Re: [Solved] Sierra Wireless 3G Modem stopped working after upgrading

Solved. See bug report for further information. You can circumvent this for now by blacklisting module qmi_wwan which gets bound to the third modem interface accidently. Hopefully the fix is in the next kernel release.

Harvey
Marking this as solved - well, sort of. wink


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