#9865 BLOC Not Tri: Laptop hangs on resume

[Zarro Boogs per Child]

#9865: Laptop hangs on resume
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 Reporter:  wad                    |                 Owner:  dsaxena    
     Type:  defect                 |                Status:  new        
 Priority:  blocker                |             Milestone:  Not Triaged
Component:  kernel                 |               Version:  1.5-B2     
 Keywords:  XO-1.5 suspend resume  |           Next_action:  diagnose   
 Verified:  0                      |   Deployment_affected:             
Blockedby:                         |              Blocking:             
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 On an XO-1.5 B2 or C2 prototype, running Q3A20, and an operating system
 later than OS55, the laptop frequently hangs on resume.
 After the hang, the laptop is left with the power light on, but the screen
 is dimmed and it doesn't respond to any keyboard or touchpad events.

 This has happened on laptops with WLAN installed as well as laptops with
 the WLAN module missing.   Likewise, removing the camera driver doesn't
 affect the crashes.

 The laptops crashing have all passed many cycles of suspend/resume testing
 using autowack and also using OFW.

 If I connect a serial port and increase the logging level to 7 or higher,
 I don't see the crash.

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Ticket URL: <http://dev.laptop.org/ticket/9865>
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