Bug 565326 - udev doesn't recognize usb 3G modem
Summary: udev doesn't recognize usb 3G modem
Keywords:
Status: CLOSED WORKSFORME
Alias: None
Product: Fedora
Classification: Fedora
Component: udev
Version: 12
Hardware: x86_64
OS: Linux
low
high
Target Milestone: ---
Assignee: Harald Hoyer
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-02-14 19:17 UTC by Kuznetsov Vyacheslav
Modified: 2010-03-19 12:35 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2010-03-19 12:35:48 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Kuznetsov Vyacheslav 2010-02-14 19:17:32 UTC
Description of problem:
The system doesn't recognize the Huawei 3G modem after upgrade from udev-145-14.fc12 to udev-145-15.fc12.

Version-Release number of selected component (if applicable):
udev-145-15.fc12

How reproducible:


Steps to Reproduce:
1. Insert the Huawei 3G modem
2. ls /dev/ttyUSB* to check the new devices.
  
Actual results:
There is no /dev/ttyUSB* devices.

Expected results:
/dev/ttyUSB* should become availiable.

Additional info:
Here the output of lsusb with latest package version and version before latest.

With udev-145-14.fc12 installed:
% lsusb
Bus 001 Device 002: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC WebCam / CNF7129
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 004: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

With udev-145-15.fc12 installed:
% lsusb
Bus 001 Device 002: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC WebCam / CNF7129
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 12d1:1446 Huawei Technologies Co., Ltd.
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

% dmesg| grep HUAWEI
usb 2-4: Product: HUAWEI Mobile
usb 2-4: Manufacturer: HUAWEI Technology
scsi 8:0:0:0: CD-ROM            HUAWEI   Mass Storage     2.31 PQ: 0 ANSI: 2
scsi 9:0:0:0: Direct-Access     HUAWEI   MMC Storage      2.31 PQ: 0 ANSI: 2

Comment 1 Harald Hoyer 2010-03-17 16:34:41 UTC
please try "usb_modeswitch"

Comment 2 Kuznetsov Vyacheslav 2010-03-19 12:35:48 UTC
Thank you, Harald. Usb_modeswitch fixes the issue.


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