#11949 BLOC 12.1.0: XO-1.75 os14 runin, hang instead of reboot

Zarro Boogs per Child bugtracker at laptop.org
Wed Jun 27 02:15:48 EDT 2012

#11949: XO-1.75 os14 runin, hang instead of reboot
           Reporter:  Quozl         |       Owner:  dsd                              
               Type:  defect        |      Status:  assigned                         
           Priority:  blocker       |   Milestone:  12.1.0                           
          Component:  not assigned  |     Version:  Development build as of this date
         Resolution:                |    Keywords:                                   
        Next_action:  diagnose      |    Verified:  0                                
Deployment_affected:                |   Blockedby:                                   
           Blocking:                |  

Comment(by Quozl):

 A form of this problem also occurs on XO-1.5, in five out of five
 attempts, but here the boot animation (XO icon with rotating dots) is
 shown, and the game pad keys toggle between that and a text virtual
 console.  There is no shell prompt available on that virtual console or
 the serial port, despite it being available earlier.  Last output also
 "runin-main: reboot".  Power button held down was responsive in each case.

 Enabling systemd debugging prevents the problem, 5 out of 5 attempts.

 But upon disabling systemd debugging, the symptom was gone, 4 out of 5
 attempts.  One attempt resulted in a hung EC, and the power button was
 unresponsive.  This appeared to be a different symptom.
 [  305.600021] olpc-ec:  timeout waiting for EC accept data!
 [  305.940020] olpc-ec:  timeout waiting for EC to quiesce!
 [  306.037237] power_supply olpc-battery: driver failed to report
 `present' property: 4294967291
 [  313.889869] runin-main: reboot

 Tried 9 attempts on three XO-1.75, did not reproduce.

Ticket URL: <http://dev.laptop.org/ticket/11949#comment:10>
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