#10757 NORM 11.2.0-: XO-1.5 system time failed to adjust forward by actual time spent suspended

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#10757: XO-1.5 system time failed to adjust forward by actual time spent suspended
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           Reporter:  Quozl      |       Owner:  dsd          
               Type:  defect     |      Status:  closed       
           Priority:  normal     |   Milestone:  11.2.0-M4    
          Component:  kernel     |     Version:  not specified
         Resolution:  fixed      |    Keywords:               
        Next_action:  no action  |    Verified:  0            
Deployment_affected:             |   Blockedby:               
           Blocking:             |  
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Comment(by dsd):

 upstream suggested using udelay() instead of cpu_relax().

 James, would you mind testing this kernel on your test bed?
 http://dev.laptop.org/~dsd/20111018/kernel-2.6.35.13_xo1.5-20111018.0916.olpc.a6d5261.i586.rpm

 this is the change:
 http://dev.laptop.org/~dsd/20111018/0001-rtc-hack-update.patch

 I ran it for 20 hours on my single XO-1.5 and couldn't reproduce the
 problem.

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Ticket URL: <http://dev.laptop.org/ticket/10757#comment:14>
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