Red Hat Bugzilla – Bug 831173
vnc tab flickers in vinagre when in fallback mode (with gtk3 > 3.3.4-1.fc17)
Last modified: 2013-08-01 00:04:27 EDT
The vnc tab is flickering when moving the mouse inside the vnc window, or just when resizing the vinagre window. This occurs when in fallback mode only. This is very specific to the vinagre application, because the underlying VNC widget from gtk-vnc2 works fine. I tested the vncviewer from gtk-vnc2 examples (not built by default).
The problem appeared somewhere after version 3.3.4-1.fc17. I tried to git bisect the case and the related commits seem to be 7bd2446801ffd0fc2ac5cc98fcd675ac4f3935d6 and c24742e7890caba218ff19d3acce4c1c8ffc1f0d. However, reverting these commits in the current version doesn't work.
Then I removed the call to gtk_widget_override_background_color() in vinagre_tab_add_view() in vinagre-tab.c. The flickering problem was still there, and git bisect showed another more recent commit : 4dd9a73c8ae5254361e746a3013e952e0f72d6a3. And reverting this commit in the current version still doesn't work for me.
Same here. It also flickers when text is scrolled in remote xterm window for example.
This happens when compositing is disabled (gnome fallback mode or any other windows manager).
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