Bug 565326

Summary:	udev doesn't recognize usb 3G modem
Product:	[Fedora] Fedora	Reporter:	Kuznetsov Vyacheslav <kuznetsovvv>
Component:	udev	Assignee:	Harald Hoyer <harald>
Status:	CLOSED WORKSFORME	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	low
Version:	12	CC:	harald, jonathan
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-03-19 12:35:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

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.