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[Bug 1477188] [NEW] Windows vanish after suspend/resume


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Similar to comment #4 on bug #1126221 I find windows go missing after a
suspend/resume. This tends to be one of several Chrome windows that are
still visible if I alt-tab and hit down with Chrome highlighted, but
aren't visible if I use super-w.

This isn't bug #1126221 since I am not adding/removing displays, unless
there is something happening over the suspend/resume cycle that is
triggering the same code path.

I am running a triple head set up on a Radeon HD 6950 with 2GB RAM with
the radeon driver. Here is the filtered output of xrandr with the
display layout details:

Screen 0: minimum 320 x 200, current 5760 x 1440, maximum 16384 x 16384
DisplayPort-0 connected primary 2560x1440+1600+0 (normal left inverted right x axis y axis) 597mm x 336mm
   2560x1440      60.0*+  143.9    119.9     89.9
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 408mm x 306mm
   1600x1200      60.0*+
DVI-0 disconnected (normal left inverted right x axis y axis)
DVI-1 connected 1600x1200+4160+0 (normal left inverted right x axis y axis) 408mm x 306mm
   1600x1200      60.0*+

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: unity 7.3.2+15.04.20150420-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1
Uname: Linux 3.19.0-22-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Wed Jul 22 15:29:00 2015
InstallationDate: Installed on 2015-02-03 (168 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: 16.04-hit-list amd64 apport-bug rls-w-incoming third-party-packages vivid
Windows vanish after suspend/resume
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