#1809 HIGH Trial-2: Boot fails on qemu. "Cannot find root file system!"

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#1809: Boot fails on qemu.  "Cannot find root file system!"
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  Reporter:  MitchellNCharity  |       Owner:  dilinger
      Type:  defect            |      Status:  new     
  Priority:  high              |   Milestone:  Trial-2 
 Component:  kernel            |     Version:          
Resolution:                    |    Keywords:          
  Verified:  0                 |  
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Comment (by MitchellNCharity):

 Some additional notes from #sugar/#olpc:

 Screenshot: http://www.vendian.org/mncharity/olpc/no_kernel_panic.png

 It is not a kernel panic.

 In the emergency shell,
 mount -L OLPCRoot /mnt  works.  And looks normal.

 If one uses the emergency shell to ln -s /dev/hda1 /dev/root , the
 continued boot encounters:
  [1064799.848014] BUG: unable to handle kernel NULL pointer dereference at
 virtual address 00000020

 I'm attaching the boot log.  The "no root yet..." and shell interaction
 occurs just after " hda: hda1".

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Ticket URL: <http://dev.laptop.org/ticket/1809#comment:3>
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