#10757 NORM Not Tri: XO-1.5 system time failed to adjust forward by rtcwake period

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#10757: XO-1.5 system time failed to adjust forward by rtcwake period
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           Reporter:  Quozl         |       Owner:               
               Type:  defect        |      Status:  new          
           Priority:  normal        |   Milestone:  Not Triaged  
          Component:  not assigned  |     Version:  not specified
         Resolution:                |    Keywords:               
        Next_action:  never set     |    Verified:  0            
Deployment_affected:                |   Blockedby:               
           Blocking:                |  
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Comment(by Quozl):

 Symptom on SHC937010AA was cleared by writing to RTC.  The following log
 shows symptom reproduced, a comparison of RTC against system time (the
 difference had accumulated because of repeated symptom events), writing to
 the RTC, then failing to reproduce the symptom:

 {{{
 # date +%s;rtcwake -m mem -s 20 -u;date +%s
 1300238689
 rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Mar 16 01:26:03 2011

 1300238692
 # hwclock;date
 Wed Mar 16 01:26:37 2011  -0.037703 seconds
 Wed Mar 16 01:25:25 GMT 2011
 # hwclock --systohc --utc
 # date +%s;rtcwake -m mem -s 20 -u;date +%s
 1300238800
 rtcwake: wakeup from "mem" using /dev/rtc0 at Wed Mar 16 01:27:01 2011

 1300238821
 #
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/10757#comment:4>
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