#12340 NORM 13.1.0: USB modem not known by NetworkManager if USB storage device present

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#12340: USB modem not known by NetworkManager if USB storage device present
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 Reporter:  Quozl            |                 Owner:  dsd                              
     Type:  defect           |                Status:  new                              
 Priority:  normal           |             Milestone:  13.1.0                           
Component:  network manager  |               Version:  Development build as of this date
 Keywords:                   |           Next_action:  diagnose                         
 Verified:  0                |   Deployment_affected:                                   
Blockedby:                   |              Blocking:                                   
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 * start with laptop powered off,
  * insert USB modem on one socket,
  * insert USB flash drive on another socket,
  * power up and wait for Sugar frame to be available.

 Expected result:
  * modem icon should be in Sugar frame,
  * ''nmcli dev'' should list the device entry for the modem.

 Observed result:
  * modem icon is not Sugar frame,
  * ''nmcli dev'' does not list the device entry for the modem.

 Workarounds:
  * remove and reinsert the USB modem, or
  * do not boot with the USB flash drive connected.

 Said to occur by Ajay on XO-1.75 with 13.1.0 os11, with dmesg and
 /var/log/messages provided here:
 http://lists.laptop.org/pipermail/devel/2012-November/036412.html

 Reproduced on XO-4 B1 with 13.1.0 os12, with ''nmcli dev'' not showing the
 device, but I'm not sure if this test is valid given possible USB power
 problems with XO-4 B1.

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Ticket URL: <http://dev.laptop.org/ticket/12340>
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