#10161 NORM 1.5-sof: invoking ul-warning from X screen trashes display

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#10161: invoking ul-warning from X screen trashes display
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 Reporter:  pgf     |                 Owner:  jnettlet                         
     Type:  defect  |                Status:  new                              
 Priority:  normal  |             Milestone:  1.5-software-update              
Component:  kernel  |               Version:  Development build as of this date
 Keywords:          |           Next_action:  diagnose                         
 Verified:  0       |   Deployment_affected:                                   
Blockedby:          |              Blocking:                                   
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 from Terminal, or from a serial console, run "ul-warning" while X11 is
 visible.  screen will turn to broad horizontal bars that look like the
 horizontal sync has gone missing.

 this doesn't happen if a VT is already active when ul-warning is invoked.

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Ticket URL: <http://dev.laptop.org/ticket/10161>
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