On Fri, 2012-06-01 at 08:32 +0200, Mike Gabriel wrote: > Hi, > > just for the record and to let people know about current work focus... > > People (esp. John) have reported occurrences of a very sluggish > behaviour of various applications when run in X2Go sessions. > > We developers can now confirm this. Ubuntu users reported this > earlier, Debian user can now also experience such a sluggishness. > > Reproduce on Debian: > > * add squeeze-backports archive to your system > * install iceweasel (esr version) > > This will drag in a libcairo from squeeze backports that is very > probably the cause for making some applications very slow within X2Go > sessions. > > Libcairo is used in all GTK applications and is a layer between GTK > and the rendering backend (X11, OpenGL, ...). With some recent version > of libcairo the sluggishness got introduced... > > @John: so it is not Nagle, I guess... > > Compare: launch gnome-terminal (uses libcairo) on such a system and > xterm (uses direct X11 rendering). Now create some output on standard > out and then scroll back the shell history... > > Alex has become aware of this on Linux Day Berlin and he has put it on > his list with high priority to find a solution/workaround for that. <snip> Glad we found it and will gladly test as soon as the updates are in heuler. Thanks - John
_______________________________________________ X2Go-Dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/x2go-dev
