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[Monsta <1351890@xxxxxxxxxxxxxxxxxx>]

[Impact]

Due to a bug in GTK+2, mate-display-properties crashes when the screen
resolution is changed *outside* of it (e.g. by changing the resolution
not via that app, but somewhere else).

The attached patches fix the issue in GTK+2 and prevent crashing of
m-d-p.

Since this issue caused much inconvenience for users, the fix should be
backported to all current stable releases of Ubuntu.

[Test Case]

The easiest way to reproduce it is via Virtualbox:

1. Run mate-display-properties in the VM.
2. Make the VM go full-screen.
3. See m-d-p crash.

[Regression Potential]

After several months of testing the patched version of GTK+2 in Debian Jessie, I found no regressions.
I consider the regression risk very low here.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gtk+2.0 in Ubuntu.
https://bugs.launchpad.net/bugs/1351890

Title:
  Changing external screen resolution with dual monitors

Status in GTK+ GUI Toolkit:
  Fix Released
Status in Ubuntu MATE:
  Fix Released
Status in gtk+2.0 package in Ubuntu:
  Fix Released
Status in mate-control-center package in Ubuntu:
  Fix Released
Status in gtk+2.0 package in Debian:
  Fix Released

Bug description:
  Changing extrnal screen resolution with dual mon

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: mate-control-center 1.8.1+dfsg1-4
  ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
  Uname: Linux 3.16.0-6-generic i686
  ApportVersion: 2.14.5-0ubuntu3
  Architecture: i386
  CrashCounter: 1
  Date: Sun Aug  3 07:09:21 2014
  ExecutablePath: /usr/bin/mate-display-properties
  InstallationDate: Installed on 2014-08-03 (0 days ago)
  InstallationMedia: Ubuntu MATE 14.10 "Utopic Unicorn" - Alpha i386 (20140731)
  ProcCmdline: mate-display-properties
  SegvAnalysis: Skipped: missing required field "Disassembly"
  Signal: 11
  SourcePackage: mate-control-center
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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