#10071 NORM Not Tri: external SD cards not working on XO-1.5

[Zarro Boogs per Child]

#10071: external SD cards not working on XO-1.5
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           Reporter:  sascha_silbe         |       Owner:  wmb at firmworks.com
               Type:  defect               |      Status:  new              
           Priority:  normal               |   Milestone:  Not Triaged      
          Component:  ofw - open firmware  |     Version:  1.5-C2           
         Resolution:                       |    Keywords:                   
        Next_action:  never set            |    Verified:  0                
Deployment_affected:                       |   Blockedby:                   
           Blocking:                       |  
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Comment(by wmb at firmworks.com):

 It's possible that the device is taking a long time to respond to reads of
 certain blocks - perhaps due to internal error correction or retrying or
 being busy with background wear leveling.  I suspect that Linux retries
 data timeouts a few times, so maybe a subsequent try would work.  I think
 we saw cases on XO-1 where the timeout was too short, so there were lots
 of timeouts, but the only thing you noticed at the user level was that
 some operations took nearly forever.

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Ticket URL: <http://dev.laptop.org/ticket/10071#comment:5>
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