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Message #129552
[Bug 1351890] Re: Changing external screen resolution with dual monitors
uploaded, thanks!
** Changed in: gtk+2.0 (Ubuntu Precise)
Status: New => In Progress
** Changed in: gtk+2.0 (Ubuntu Trusty)
Status: New => In Progress
** Changed in: gtk+2.0 (Ubuntu Precise)
Assignee: (unassigned) => Monsta (monsta-mint)
** Changed in: gtk+2.0 (Ubuntu Trusty)
Assignee: (unassigned) => Monsta (monsta-mint)
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https://bugs.launchpad.net/bugs/1351890
Title:
Changing external screen resolution with dual monitors
Status in GTK+:
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 source package in Precise:
In Progress
Status in mate-control-center source package in Precise:
Invalid
Status in gtk+2.0 source package in Trusty:
In Progress
Status in mate-control-center source package in Trusty:
Invalid
Status in gtk+2.0 package in Debian:
Fix Released
Bug description:
[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.
There were originally some bugs with a few applications (notably
Spotify) crashing. We think we've backported patches to fix that -
some refcounting issues - but please check a few apps to see they
still work.
[ Original report ]
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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