#11210 NORM 1.75-fi: erase-blocks doesn't work with Toshiba eMMC devices (was: eMMC dead in XO 1.75 B1)

[Zarro Boogs per Child]

#11210: erase-blocks doesn't work with Toshiba eMMC devices
-------------------------------------------+--------------------------------
           Reporter:  jnettlet             |       Owner:  wmb at firmworks.com
               Type:  defect               |      Status:  new              
           Priority:  normal               |   Milestone:  1.75-firmware    
          Component:  ofw - open firmware  |     Version:  1.75-B1          
         Resolution:                       |    Keywords:  XO-1.75, eMMC    
        Next_action:  diagnose             |    Verified:  0                
Deployment_affected:                       |   Blockedby:                   
           Blocking:                       |  
-------------------------------------------+--------------------------------
Changes (by wad):

  * next_action:  never set => diagnose
  * component:  not assigned => ofw - open firmware
  * owner:  => wmb at firmworks.com
  * milestone:  1.75-hardware => 1.75-firmware
  * keywords:  eMMC, hardware failure => XO-1.75, eMMC


Comment:

 Confirmed that it is possible to trivially wedge a Toshiba eMMC using the
 above code snippet.

 This problem goes away with a reboot, so it isn't an "eMMC dead" problem,
 but rather an "erase-blocks method of nand doesn't work w. Toshiba eMMC
 devices"

-- 
Ticket URL: <http://dev.laptop.org/ticket/11210#comment:5>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system