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[Bug 1408894] [NEW] pre-grid size of application window is lost, when restoring an application in maximized mode and then moving to left/right edge using <alt>+<super> keybind


Public bug reported:

1) Release of Ubuntu:

Description:	Ubuntu 14.04.1 LTS
Release:	14.04

2) Version of Package:

  Installed: 1:
  Candidate: 1:
  Version table:
 *** 1: 0
        500 http://sa.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1:0.9.11+14.04.20140409-0ubuntu1 0
        500 http://sa.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

3) What you expected to happen:

upon restoring a maximized application, and then moving the application
window to a grid on the left or right part of the screen using the
<alt>+<super>+left/right keybinding, i should be able to restore the
window to a pre-grid size if dragged away from the gridded position.

4) What happened instead:

window collapses to minimal size after dragging away application window
from gridded position. this happens with almost all applications. i have
also tried enabling "snap windows back to original size" from the CCSM
grid-plugin settings, with no success.


i'v attached a screencast video of the problem.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: compiz 1:
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic
Uname: Linux 3.13.0-43-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Jan  9 08:53:28 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
 bbswitch, 0.8, 3.13.0-43-generic, x86_64: installed
 bcmwl,, 3.13.0-43-generic, x86_64: installed
 nvidia-331-updates, 331.113, 3.13.0-43-generic, x86_64: installed
 virtualbox, 4.3.10, 3.13.0-43-generic, x86_64: installed
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:054f]
 NVIDIA Corporation GF108M [GeForce GT 540M] [10de:0df4] (rev ff) (prog-if ff)
InstallationDate: Installed on 2014-08-27 (134 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Acer Aspire 4830TG
PackageArchitecture: all
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=375cafcf-e638-4d16-968c-078fab2bbc55 ro quiet splash acpi_osi=Linux acpi_backlight=vendor nmi_watchdog=0 vt.handoff=7
SourcePackage: compiz
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/14/2012
dmi.bios.vendor: Acer
dmi.bios.version: V1.12
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JM40_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.12
dmi.modalias: dmi:bvnAcer:bvrV1.12:bd08/14/2012:svnAcer:pnAspire4830TG:pvrV1.12:rvnAcer:rnJM40_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.12:
dmi.product.name: Aspire 4830TG
dmi.product.version: V1.12
dmi.sys.vendor: Acer
version.compiz: compiz 1:
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1~ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Fri Jan  9 05:20:00 2015
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
 product id                               12348 
 vendor                                     AUO
xserver.version: 2:1.15.1-0ubuntu2.6

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

** Tags: amd64 apport-bug compiz-0.9 compiz-grid-plugin pre-grid trusty ubuntu

** Attachment added: "screencast showcasing the pre-grid size bug"

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  pre-grid size of application window is lost, when restoring an
  application in maximized mode and then moving to left/right edge using
  <alt>+<super> keybind

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