#12525 NORM 4-firmw: XO-4 EC communication problem

Zarro Boogs per Child bugtracker at laptop.org
Tue Feb 5 22:22:07 EST 2013

#12525: XO-4 EC communication problem
           Reporter:  wad                  |       Owner:  rsmith                            
               Type:  defect               |      Status:  new                               
           Priority:  normal               |   Milestone:  4-firmware                        
          Component:  embedded controller  |     Version:  Development source as of this date
         Resolution:                       |    Keywords:  XO-4, EC                          
        Next_action:  diagnose             |    Verified:  0                                 
Deployment_affected:                       |   Blockedby:                                    
           Blocking:                       |  
Changes (by pgf):

 * cc: shep (added)


 if/when this happens again:
  - see if the olpc-ec-1.75 line (20:) in /proc/interrupts is incrementing
  - if not, use sdkit to examine SSP interface
  - if we have EC serial connected, we should turn on S7 and make sure we
 know what's happening.

Ticket URL: <http://dev.laptop.org/ticket/12525#comment:3>
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