(In reply to Olivier Fourdan from comment #1) > - It seems to affect some apps more than others (FF, TB whereas I cannot
Actually it seems to affect gtk2 and Qt based apps and I think this could be related to the use of the _NET_WM_SYNC protocol v1 by these toolkits.
As a test, if I disable support for _NET_WM_SYNC in mutter, I cannot reproduce the problem anymore (but obviously resizes are a lot less smooth)
(In reply to Olivier Fourdan from comment #1)
> - It seems to affect some apps more than others (FF, TB whereas I cannot
Actually it seems to affect gtk2 and Qt based apps and I think this could be related to the use of the _NET_WM_SYNC protocol v1 by these toolkits.
As a test, if I disable support for _NET_WM_SYNC in mutter, I cannot reproduce the problem anymore (but obviously resizes are a lot less smooth)