#12734 LOW Future : Display noise after self test completion on XO-1.5

[Zarro Boogs per Child]

#12734: Display noise after self test completion on XO-1.5
-------------------------------------------+--------------------------------
           Reporter:  greenfeld            |       Owner:  Quozl                   
               Type:  defect               |      Status:  new                     
           Priority:  low                  |   Milestone:  Future Release          
          Component:  ofw - open firmware  |     Version:  Software Build 13.2.0-13
         Resolution:                       |    Keywords:                          
        Next_action:  package              |    Verified:  0                       
Deployment_affected:                       |   Blockedby:                          
           Blocking:                       |  
-------------------------------------------+--------------------------------
Changes (by Quozl):

  * next_action:  diagnose => package
  * milestone:  Not Triaged => Future Release


Comment:

 Reproducer:

 {{{
 \ disable each test
 warning off
 dev /cpu : selftest false ; dend
 dev /battery : selftest false ; dend
 dev /flash : selftest false ; dend
 dev /memory : selftest false ; dend
 dev /usb : selftest false ; dend
 dev int:0 : selftest false ; dend
 dev ext:0 : selftest false ; dend
 dev /rtc : selftest false ; dend
 dev /display : selftest false ; dend
 dev /audio : selftest false ; dend
 dev /camera : selftest false ; dend
 dev /wlan : selftest false ; dend
 dev /timer : selftest false ; dend
 dev /8042/mouse : selftest false ; dend
 dev /8042/keyboard : selftest false ; dend
 dev /switches : selftest false ; dend
 dev /leds : selftest false ; dend
 warning on
 \ decrease delays, #11847
 patch drop ms (hold-message)  \ decrease hold delay
 patch c8 7d0 mfg-test-result  \ decrease delay after test success
 patch 32 c8 play-item  \ decrease delay between tests in menu
 \ test
 gamekey-auto-menu
 }}}

 Diagnosis: the display noise does not always occur, but when it does it is
 caused by a scroll of the frame buffer, probably due to #11734.  This
 scrolling was unintentionally introduced in #12515; a change to replace
 the menu display with a large green tick.  This did not happen on XO-1
 because the image file is not present (r3609), and XO-1 is unaffected by
 #11734.  This did not happen on XO-1.5 because of a load file ordering bug
 hidden by r3609.

 Solution: fixed in svn 3698 for XO-1.5, the display is not scrolled, and
 the menu is replaced with the large green tick.

 http://dev.laptop.org/~quozl/q3c16jc.rom

-- 
Ticket URL: <http://dev.laptop.org/ticket/12734#comment:1>
One Laptop Per Child <http://laptop.org/>
OLPC bug tracking system