#11363 NORM 1.75-so: XO-1.75 mouse sometimes unusable on boot

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#11363: XO-1.75 mouse sometimes unusable on boot
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           Reporter:  dsd       |       Owner:  saadia       
               Type:  defect    |      Status:  assigned     
           Priority:  normal    |   Milestone:  1.75-software
          Component:  kernel    |     Version:  not specified
         Resolution:            |    Keywords:               
        Next_action:  diagnose  |    Verified:  0            
Deployment_affected:            |   Blockedby:               
           Blocking:            |  
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Comment(by jnettlet):

 I just got a string of reproducible conditions and this is what I found.
 Each time I soft-rebooted I would check test /mouse in ofw and the
 touchpad worked fine there.  Then booting to linux would lead to this
 output in dmesg

 input: PS/2 Generic Mouse as /devices/platform/olpc-
 kbd.0/serio1/input/input7
 psmouse.c: Failed to enable mouse on olpc_touchpad/serio0

 after playing around a bit with the protocols the mouse started working
 again, but because of anything else I did.  The big difference I could
 find was that the device path for the working mouse was.

 input: PS/2 Generic Mouse as /devices/platform/olpc-
 kbd.0/serio1/input/input4

 wonder what is going on make the device enumerate 3 additional device
 numbers?

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Ticket URL: <http://dev.laptop.org/ticket/11363#comment:9>
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