It seems that the emacs window is rather slow when redrawing its content. I did some testing in a virtual environment on a low end host system and every application window was showing the delayed resizing behavior. Enabling the built-in compositor increased the delay somewhat.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to emacs24 in Ubuntu. https://bugs.launchpad.net/bugs/1385786 Title: Resizing X frame is slow in Xubuntu when compositing is enabled Status in emacs24 package in Ubuntu: New Status in xfwm4 package in Ubuntu: New Bug description: My environment: - Xubuntu 14.04 (fresh installed) - emacs24: 24.3+1-2ubuntu1 - xorg: 1:7.7+1ubuntu8 - Xorg driver: intel Problem: When "display compositing" is enabled, resizing X frame of Emacs is slow, i.e., the frame cannot follow the cursor smoothly. How to reproduce: - Make sure "display compisting" is enabled. $ xfce4-settings-manager Select "Window Manager Tweaks" Select "Compositor" tab Check "Enable display compositing" - Start Emacs in window mode $ emacs -q - Resize the Emacs frame by dragging the frame edge. Workaround: Disable display compisiting. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/emacs24/+bug/1385786/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
