#6230 NORM Never A: Open Firmware copy-nand fails using SD slot (B4 XO)

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#6230: Open Firmware copy-nand fails using SD slot (B4 XO)
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 Reporter:  garycmartin          |       Owner:  wmb at firmworks.com
     Type:  defect               |      Status:  new              
 Priority:  normal               |   Milestone:  Never Assigned   
Component:  ofw - open firmware  |     Version:                   
 Keywords:  sd copy-nand         |    Verified:  0                
 Blocking:                       |   Blockedby:                   
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 Was just shipped a B4 for development work, and first task was to get it
 upto date. Under both firmware Q2D03 and Q2D07, using a 2Gb SD card in the
 XO slot failed at the copy-nand stage. OF would draw all the nand blocks
 during erase (with about 11 bad red blocks), then mark a top chunk in
 yellow, then fail before writing the first green block. SDHCI: command
 ready timeout, Bad read of .img file. WIPING CORRUPT NAND IMAGE. Your
 build was probably corrupted, blah, blah, blah (no it wasn't, all md5s
 were good).

 After downloading and trying 3 different XO os release builds (os656,
 os655, os653), I eventually took out the SD card, placed it in my camera,
 and patched the camera in via USB. Worked, happy as larry, no errors.

 Interestingly the SD card in the XO slot had no troble being accessed and
 used from the Journal, or the terminal, and was even happy to do a
 firmware flash direct from the Open Firmware prompt. It just seemed the
 copy-nand does something different/wonky when copying from the the SD. I
 can't believe that a USB cable dangling off the back of a camera with an
 SD card in it is a more robust connection than a direct SD in the XO
 slot...

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Ticket URL: <http://dev.laptop.org/ticket/6230>
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