#1809 HIGH Untriag: Boot fails on qemu. "no root yet, udev rule will write symlink..."..."Cannot find root file system!"

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#1809: Boot fails on qemu.  "no root yet, udev rule will write
symlink..."..."Cannot find root file system!"
------------------------------+---------------------------------------------
 Reporter:  MitchellNCharity  |       Owner:  dilinger 
     Type:  defect            |      Status:  new      
 Priority:  high              |   Milestone:  Untriaged
Component:  kernel            |     Version:           
 Keywords:                    |    Verified:  0        
------------------------------+---------------------------------------------
 Build 465 fails to boot inside of qemu.
 {{{
 olpc-redhat-stream-development-build-465-20070625_0119-devel_ext3.img
 x86_64 fc6 qemu current (0.8.2).
 }}}

 I believe 445 is the last build which worked.  443 works.  445 is said to
 work.  More recent builds have failed.  At least one of them on an unknown
 32-bit platform.

 {{{
  [983061.152239] hda: 985057 sectors (504 MB) w/256KiB Cache,
 CHS=993/255/63, (U)DMA
  [983061.206658] hda: cache flushes supported
  [983061.259795]  hda: hda1
  no root yet, udev rule will write symlink...

  waiting up to 60 seconds before dropping to emergency shell.
 }}}

 The wait times out with "WARNING: Cannot find root file system!".

-- 
Ticket URL: <http://dev.laptop.org/ticket/1809>
One Laptop Per Child <http://laptop.org/>