xfwm4 version 4.6.2 does not work with Xinerama?

TRINH Minh Hieu mhtrinh at gmail.com
Tue Oct 12 00:17:08 CEST 2010


I have Arch Linux with Nvidia Quadro FX 4600, driver 256.53 and Xfce 4.6.2
and Xorg 1.9. I have 2 monitors : 1280x1024 and 1680x1050, next to each
I tried to use with Xinerama : very unstable. Xfce session run but buggy :
when I move my cursor from monitor 1 to monitor 2, if  I for farer that 2-3
cm on the monitor 2, the cursor become ghost like (blink) and move around
very quick.  More problem : as soon as I run emacs or kate (Qt based ?) ,
the X server crash (segmentation fault). I cannot run kdm : X server crash
and restart continously.

I saw in some forum that Xinerama is "decapricated" ... So I switch to
Twinview by nvidia-setting. For me Twinview have the same result than
Xinerama : two monitor next to each other. It is stable, no more Xorg crash,
no weird mouse or window behavior.

About panel : I have 2 panels on bottom of each monitor. There is a bug on
panel 2 : I have a "Workspace switcher" on it. The properties "Number of
row" doesnt work. It only show 1 row. When I add a new "Workspace switcher"
on a new panel, I can set the number of row to 2. But as soon I reboot, it
show only one row. Meanwhile the Workspace switcher on panel 1 is OK. May be
I have to put this on bugzilla ?

Hope this will help, regards,


On Fri, Oct 8, 2010 at 3:18 PM, Jelle de Jong <jelledejong at powercraft.nl>wrote:

> Hello everybody,
> Does anybody got Xinerama workign with xfwm4 version 4.6.2 on Debian SID?
> $ xfwm4 --version
> This is xfwm4 version 4.6.2 (revision 74b960b) for Xfce 4.6.2
> Released under the terms of the GNU General Public License.
> Compiled against GTK+-2.20.1, using GTK+-2.20.1.
> Build configuration and supported features:
> - Startup notification support:                 Yes
> - XSync support:                                Yes
> - Render support:                               Yes
> - Xrandr support:                               Yes
> - Embedded compositor:                          Yes
> - KDE systray proxy (deprecated):               No
> I am having the following behaviour when xorg configured with an
> Xinerama set-up:
> My second monitor is configured as bellow the primary screen so I drag
> windows from above to below trying to get them on the second monitor.
> Dragging a window to the second monitor (Xinerama) works partially, the
> window will go as far the top border. It wont go any further! For a
> large windows playing video this means the video can be dragged to the
> other screen until the top border hits the bottom of the first screen.
> This feels like some kind of bug in the wm to be but I cant find any
> information about it...
> Any help is appreciated.
> With kind regards,
> Jelle de Jong
> _______________________________________________
> Xfce4-dev mailing list
> Xfce4-dev at xfce.org
> http://foo-projects.org/mailman/listinfo/xfce4-dev
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