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[JD R <eightbitlink@xxxxxxxxx>]

gtk-window-decorator can be reliably crashed by opening 'Cities: Skylines' from Steam. It gives the following output when run from a terminal and crashed:
(gtk-window-decorator:13457): Gdk-ERROR **: The program 'gtk-window-decorator' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 8158 error_code 8 request_code 62 (core protocol) minor_code 0)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the GDK_SYNCHRONIZE environment
   variable to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)
Trace/breakpoint trap (core dumped)

The system runs fine without the decorator running, and I am using
Compiz as my window manager in Xubuntu 14.10.

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https://bugs.launchpad.net/bugs/1266572

Title:
  gtk-window-decorator crashes randomly

Status in compiz package in Ubuntu:
  Confirmed

Bug description:
  After upgrading my three computers(home, work, laptop) to 13.10 from
  13.04, gtk-window-decorator keeps crashing when running wine apps. The
  crash happens mostly when opening a secondary window like a file
  dialogue, or alert box. The crash can also happen by itself. If wine
  programs are running, gtk-window-decorator cannot be restarted until
  the wine programs are closed.

  Error msg in terminal:
  The program 'gtk-window-decorator' received an X Window System error.
  This probably reflects a bug in the program.
  The error was 'BadAlloc (insufficient resources for operation)'.
    (Details: serial 5934 error_code 11 request_code 53 minor_code 0)
    (Note to programmers: normally, X errors are reported asynchronously;
     that is, you will receive the error a while after causing it.
     To debug your program, run it with the --sync command line
     option to change this behavior. You can then get a meaningful
     backtrace from your debugger if you break on the gdk_x_error() function.)

  
  syslog error msg:
  Jan  2 12:40:07 #####-work kernel: [ 9950.029313] gtk-window-deco[3776]: segfault at 0 ip 000000000041b1d5 sp 00007fff651b3b70 error 6 in gtk-window-decorator[400000+26000]

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: libgtk-3-0 3.8.6-0ubuntu3.1
  ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
  Uname: Linux 3.11.0-15-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  Date: Mon Jan  6 11:41:05 2014
  InstallationDate: Installed on 2012-01-17 (719 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MarkForUpload: True
  SourcePackage: gtk+3.0
  UpgradeStatus: Upgraded to saucy on 2013-12-30 (7 days ago)

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