compiz team mailing list archive

[Martin Wimpress <1705060@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  On Ubuntu MATE 17.10 daily I am experimenting with GDK scaling. I have
- exported the following in to the XSession:
+ exported the following in to the XSession via /etc/X11/Xsession.d
  
-   GDK_SCALE=2
-   GDK_DPI_SCALE=0.5
+   GDK_SCALE=2
+   GDK_DPI_SCALE=0.5
  
  MATE Tweak can be used to switch between window managers and also select
  if windows controls are displayed on the left or the right.
  
-   * When window controls are on the right switching to Compiz works just fine.
-   * When window controls are on the left switching (or starting Compiz) segfaults with the following error:
+   * When GDK scaling is 1 Compiz works correctly regardless of window control position.
+   * When GDK scaling is active and window controls are on the right switching to Compiz works correctly.
+   * When GDK scaling is active and window controls are on the left switching to Compiz causes it to segfault with the following error:
  
  (gtk-window-decorator:2990): libmetacity-ERROR **: Could not find a
  button to strip. n_left = 1 n_right = -1
+ 
+ When MATE Tweak switches the window control positions this is what it
+ uses:
+ 
+   * Left: "close,minimize,maximize:menu"
+   * Right: "menu:minimize,maximize,close"
  
  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: compiz-gnome 1:0.9.13.1+17.10.20170704-0ubuntu1
  ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
  Uname: Linux 4.11.0-10-generic x86_64
  ApportVersion: 2.20.5-0ubuntu5
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Tue Jul 18 14:22:39 2017
  ExecutablePath: /usr/bin/gtk-window-decorator
  InstallationDate: Installed on 2017-06-10 (37 days ago)
  InstallationMedia: Ubuntu-MATE 17.10 "Artful Aardvark" - Alpha amd64 (20170606)
  ProcCmdline: /usr/bin/gtk-window-decorator
  ProcEnviron:
-  LANGUAGE=en_GB:en
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=<set>
-  LANG=en_GB.UTF-8
-  SHELL=/usr/bin/fish
+  LANGUAGE=en_GB:en
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=en_GB.UTF-8
+  SHELL=/usr/bin/fish
  Signal: 5
  SourcePackage: compiz
  StacktraceTop:
-  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_log_writer_default () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_log_structured_array () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_log_structured () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  () at /usr/lib/x86_64-linux-gnu/libmetacity.so.1
+  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_log_writer_default () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_log_structured_array () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_log_structured () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  () at /usr/lib/x86_64-linux-gnu/libmetacity.so.1
  Title: gtk-window-decorator crashed with signal 5
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirt lpadmin plugdev sambashare sudo

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https://bugs.launchpad.net/bugs/1705060

Title:
  gtk-window-decorator crashed when windows controls are on the left and
  GDK_SCALE=2

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