#8932 BLOC 8.2.1: OFW Q2E18 can't reflash from NAND in non-secure mode (was: OFW Q2E18 can't reflash from NAND)

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#8932: OFW Q2E18 can't reflash from NAND in non-secure mode
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           Reporter:  wmb at firmworks.com    |       Owner:  wmb at firmworks.com
               Type:  defect               |      Status:  assigned         
           Priority:  blocker              |   Milestone:  8.2.1            
          Component:  ofw - open firmware  |     Version:  not specified    
         Resolution:                       |    Keywords:                   
        Next_action:  test in build        |    Verified:  0                
Deployment_affected:                       |   Blockedby:                   
           Blocking:                       |  
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Changes (by wmb at firmworks.com):

 * cc: rsmith at laptop.org (added)
  * status:  new => assigned
  * next_action:  never set => test in build
  * milestone:  Not Triaged => 8.2.1


Comment:

 Fixed by svn 994.

 The JFFS2 file reader was using the wrong address for "replaying" the file
 data in some cases.  It didn't affect booting, which uses the "load-base"
 buffer, but it did affect "flash", which uses a different buffer.  The
 incorrect replay address was 0, and if the file was larger than 0xa0000,
 the portion of the file at offsets 0xa0000..0xbffff was 0, because that
 range of memory is not really memory in E-series firmware (it is reserved
 for "DOS hole" devices).

 Workaround:

 ok dev /jffs2-file-system
 ok patch 0 -1 ?play-log
 ok patch 0 -1 ?play-log
 ok patch -1 0 ?play-log
 ok dend

 After that patch, the flash command will work properly.

 Another workaround is simply to copy the file onto a USB stick or SD card
 and reflash from there.  Another workaround is to reflash using the secure
 method.

-- 
Ticket URL: <http://dev.laptop.org/ticket/8932#comment:1>
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