#10340 NORM Not Tri: OFW is slow to uncompress small initramfs

Zarro Boogs per Child bugtracker at laptop.org
Thu Aug 26 18:59:15 EDT 2010


#10340: OFW is slow to uncompress small initramfs
--------------------------+-------------------------------------------------
 Reporter:  dsd           |                 Owner:  dsd          
     Type:  defect        |                Status:  new          
 Priority:  normal        |             Milestone:  Not Triaged  
Component:  not assigned  |               Version:  not specified
 Keywords:                |           Next_action:  never set    
 Verified:  0             |   Deployment_affected:               
Blockedby:                |              Blocking:               
--------------------------+-------------------------------------------------
 Q2E45 on XO-1. I made a polished, small initramfs 1/3 of the size of the
 current shipped version, in hope of cutting down boot delay a bit.

 With this initramfs, while OFW says "Loading ramdisk from ...", it spends
 ~35 seconds there before printing the newline character and starting the
 kernel.

 http://dev.laptop.org/~dsd/20100826/olpcrd.img

 verify this once more before bugging Mitch

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Ticket URL: <http://dev.laptop.org/ticket/10340>
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