Bug 1023234 - ModemManager interferes with operation of USB GPS devices
ModemManager interferes with operation of USB GPS devices
Product: Fedora
Classification: Fedora
Component: ModemManager (Show other bugs)
Unspecified Linux
unspecified Severity high
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Assigned To: Dan Williams
Fedora Extras Quality Assurance
Depends On:
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Reported: 2013-10-24 20:29 EDT by Roy Rankin
Modified: 2015-02-18 06:05 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2015-02-18 06:05:03 EST
Type: Bug
Regression: ---
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Proposed rules to add to blacklist (1.82 KB, text/plain)
2013-10-24 20:29 EDT, Roy Rankin
no flags Details

  None (edit)
Description Roy Rankin 2013-10-24 20:29:57 EDT
Created attachment 815964 [details]
Proposed rules to add to blacklist

Description of problem:When using a bu-353 USP GPS mouse, applications such as xgps which connect to gpsd often do not work after plugging in device.

Version-Release number of selected component (if applicable):

How reproducible: intermittent, but usually reproducible if BU-353 is unplugged and plugged if problem not evident   

Steps to Reproduce:
1. Start the service gpsd
2. start xgps
3. plug in USB mouse

Actual results: xgps will not show updates to GPS data

Expected results: xgps will show updates GPS data within a few seconds of GPS being plugged in.

Additional info:
I have tested adding to the blacklist for the BU-353 and xgps works as expected.
I am attaching the rules derived from the gpsd udev rules which I expect need to be added to the blacklist. I have seen this issue in F16 as well as F19.
Comment 1 Dan Williams 2013-10-25 17:26:51 EDT
Selected items from the list pushed upstream into the blacklist and greylist as appropriate.

Comment 2 MaxiPunkt 2014-01-26 13:58:38 EST
Also valid for FC20.

Did my own blacklist-file for my GPS-device:

$ cat /etc/udev/rules.d/77-mm-usb-device-blacklist.rules
ACTION!="add|change", GOTO="mm_usb_device_blacklist_end"
SUBSYSTEM!="usb", GOTO="mm_usb_device_blacklist_end"
ENV{DEVTYPE}!="usb_device",  GOTO="mm_usb_device_blacklist_end"

# u-blox AG, u-blox 5 GPS chips
ATTRS{idVendor}=="1546", ATTRS{idProduct}=="01a5", ENV{ID_MM_DEVICE_IGNORE}="1"

Comment 3 Fedora End Of Life 2015-01-09 17:27:35 EST
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Comment 4 Fedora End Of Life 2015-02-18 06:05:03 EST
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
no longer maintained, which means that it will not receive any further
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