#9681 LOW 1.5-F11: os40 - I'm unable to create an USB stick which will boot the XO-1.5

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#9681: os40 - I'm unable to create an USB stick which will boot the XO-1.5
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           Reporter:  mikus          |       Owner:  jg                               
               Type:  defect         |      Status:  new                              
           Priority:  low            |   Milestone:  1.5-F11                          
          Component:  documentation  |     Version:  Development build as of this date
         Resolution:                 |    Keywords:                                   
        Next_action:  design         |    Verified:  0                                
Deployment_affected:                 |   Blockedby:                                   
           Blocking:                 |  
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Changes (by Quozl):

  * owner:  => jg
  * priority:  normal => low
  * next_action:  never set => design
  * component:  not assigned => documentation
  * milestone:  => 1.5-F11


Comment:

 Triage.

 Replying to [ticket:9681 mikus]:
 > My principal problem is lack of decent "how-to" documentation.

 I agree, documentation for USB based booting of F11 for XO-1.5 builds is
 not yet complete.

 >  1) os40.zd - wiki.laptop.org/go/F11_for_1.5 describes how to use 'fs-
 update' to write this to the XO-1.5 SD card.

 Correct, this file is not useful for creating a bootable USB device.  It
 is for use by OFW in writing to SD.

 >  2) os40.iso - wiki.sugarlabs.org describes how to use 'livecd-iso-to-
 disk' to write this to a storage device (e.g., USB stick).  I followed the
 directions, but the XO-1.5 boot process stalled when booting from that USB
 stick.

 I could not find these instructions.  The instructions I did find related
 to Sugar builds, not OLPC builds.

 >  3) os40.tree.tar.lzma - I could not find any documentation.  After
 copying the content to the USB stick, and adjusting directory placement, I
 was able to boot the XO-1.5 as far as having a text console - but appeared
 to be missing devices.

 This is most commonly caused by not using --numeric-owner when expanding
 the content with tar.  Please check the process you used and ensure
 --numeric-owner is used.

 >  4) os40.bootable.gz - example in dev.laptop.org/~cjb/rawhide-xo, but
 OFW had problems with that USB stick.

 What did OFW say about it?

 Can we have someone who knows how to do this write it up on the wiki,
 thanks?

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Ticket URL: <http://dev.laptop.org/ticket/9681#comment:1>
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