#11814 NORM 1.75-fi: ext2 filesystem flush fails with 0 attempt to corrupt superblock or group descriptor

[Zarro Boogs per Child]

#11814: ext2 filesystem flush fails with 0 attempt to corrupt superblock or group
descriptor
-------------------------------------------+--------------------------------
           Reporter:  Quozl                |       Owner:  Quozl               
               Type:  defect               |      Status:  new                 
           Priority:  normal               |   Milestone:  1.75-firmware       
          Component:  ofw - open firmware  |     Version:  Development firmware
         Resolution:                       |    Keywords:                      
        Next_action:  never set            |    Verified:  0                   
Deployment_affected:                       |   Blockedby:                      
           Blocking:                       |  
-------------------------------------------+--------------------------------

Comment(by Quozl):

 Also occurs on internal eMMC first partition.  This time with bbug? set
 true:

 {{{
 ok make-big-file int:\big
 r 5
 r 105
 r 5
 r 4
 r 8
 r 105
 r 2002
 r 6002
 r a002
 r e002
 W e002
 W a002
 W 6002
 W 2002
 W 105
 W 8
 W 4
 r 5
 r 105
 r 8
 r 0
 .0 attempt to corrupt superblock or group descriptor
 ok
 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/11814#comment:1>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system