#12303 NORM 13.1.0: XO-4 runin failure / kernel messages due to timeout getting sensor temperature

[Zarro Boogs per Child]

#12303: XO-4 runin failure / kernel messages due to timeout getting sensor
temperature
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           Reporter:  greenfeld  |       Owner:  pgf          
               Type:  defect     |      Status:  new          
           Priority:  normal     |   Milestone:  13.1.0       
          Component:  kernel     |     Version:  not specified
         Resolution:             |    Keywords:               
        Next_action:  diagnose   |    Verified:  0            
Deployment_affected:             |   Blockedby:               
           Blocking:             |  
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Comment(by pgf):

 once the driver gets into this state, it won't get out, meaning you'll
 continue getting timeouts forever.  i can reproduce, and i know how to
 poke the hardware to stop the "forever" behavior, but i'm still looking at
 how to prevent the issue in the first place.  (i also don't understand why
 we're only seeing this now.)

 reproduce:  do temperature reads from a loop running in the background,
 and compete for the driver with manual reads in the foreground.

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Ticket URL: <http://dev.laptop.org/ticket/12303#comment:2>
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