[Bugs] #1060 UNSP: Intermittent Metacity layering issues

[SugarLabs Bugs]

#1060: Intermittent Metacity layering issues
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    Reporter:  garycmartin                |          Owner:  tomeu      
        Type:  defect                     |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.86       
   Component:  sugar                      |        Version:  0.85.x     
    Severity:  Critical                   |     Resolution:             
    Keywords:                             |   Distribution:  Unspecified
Status_field:  Needinfo                   |  
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Comment(by alsroot):

 Replying to [ticket:1060 garycmartin]:
 > Opening a ticket to track Metacity layering issues. The frame, a number
 of frame menus, and the object chooser are getting intermittently
 clobbered. I'm still trying to find a reliable series reproducible steps
 to trigger:
 >
 > - Frame pop-up menus go behind Activity windows. In 'desktop' layer
 views (neighbourhood/group/home) the frame menus appear fine, but
 switching back to an Activity the menus are inaccessible again.
 could you post exact steps, for me it looks fine w/ git versions

 > - The entire frame fails to appear in all views (need to reboot after
 this one, perhaps not a layering bug?)
 also, what exact actions to reproduce bug

 > - Object Chooser dialogue appears behind the Activity window that
 requested it (seen this a number of times in Memorize when trying to load
 a game).
 I can reproduce this issue only if activities omited "parent" argument for
 ObjectChooser(), w/ "parent" it works fine

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Ticket URL: <http://dev.sugarlabs.org/ticket/1060#comment:6>
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