That may increase the performance, but doesn't explain why GTK apps are so much faster. Thanks, Jarek Sedlacek On Mon, Mar 5, 2012 at 2:20 PM, Victor Silva <vfbsilva@xxxxxxxxx> wrote: > Maybe -C option can help: > -C Requests compression of all data (including stdin, stdout, > stderr, and data for forwarded X11 and TCP connections). The > compression algorithm is the same used by gzip(1), and the > “level” can be controlled by the CompressionLevel option for > pro‐ > tocol version 1. Compression is desirable on modem lines and > other slow connections, but will only slow down things on fast > networks. The default value can be set on a host-by-host basis > in the configuration files; see the Compression option. > > > 2012/3/5 Sergey Manucharian <ingeniware@xxxxxxxxx> > > > Hi folks, > > > > Regularly I do not use many Qt applications, mostly Skype. I run it over > > ssh tunnel from another computer within the same local network for long > > time. After recent system update I noticed it became very slow refreshing > > its graphics. I checked several Gtk and Qt applications and found that > > Gtk ones work almost with the "native" speed, while Qt ones with that > > damn slow redrawing... > > > > I tried ssh with both "ForwardX11" and "ForwardX11Trusted" - there is no > > difference. I'm using no DE with xmonad WM (tried TWM - no difference > > either) in x86_64 box. > > > > Any directions/advices/ideas? > > > > Thanks! > > > > -- > > Cheers, > > Sergey > > >