#1922 HIGH BTest-4: There is a white line when switch to command interface.

[Zarro Boogs per Child]

#1922: There is a white line when switch to command interface.
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 Reporter:  zwl821022  |       Owner:  jg     
     Type:  defect     |      Status:  new    
 Priority:  high       |   Milestone:  BTest-4
Component:  distro     |     Version:  Q2C18  
 Keywords:             |    Verified:  0      
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 Testing environment:CL1 B4 Boards, BIOS:Q2C18,Image:406.15 and 486
 1.Boot to X-windows.
 2.Press ctrl+alt+f1/f2.
 3.Appear a white line on the command sreen for 1 second.
 or
 2.Press power button to shutdown,when enter command sreen.
 3.Appear a white line on the command sreen for 1 second.
 Fail rate: 406.15  100%, 486 70%

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Ticket URL: <http://dev.laptop.org/ticket/1922>
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