[K12OSN] Server sending excessive "GetProperty" requests

[Jeff Siddall]

I have one client system which otherwise seems to be behaving normally
but is sending a lot of data -- like a steady 30 Mbps -- to the server.
 It appears to be sending as fast as it's CPU will let it as top shows X
taking 99% of the CPU.

The large amount of data seems to be caused by "X11, Request, opcode: 20
(GetProperty)" packets from the server to which the client replies with
either small (empty) replies or huge ~14 kB replies (approx. 9 full
Ethernet packets).

These GetProperty requests go out from the server about every 1-2
milliseconds which causes big replies from the client about every 4 ms
-- thus a ton of bandwidth.

The big replies seem to have a bunch of info about application windows
but most of these are not currently running on the client. Here's a
brief excerpt of one of the large reply packets:

ml*borderWidth:0
ml*focusPolicy:pointer
ml*foreground:#1b1918
ml*helpwin*textSW.text.background:#ffffff
ml*helpwin*textSW.text.foreground:#1b1918
ml*highlightColor:#d5d1cf
ml*log*textSW.text.background:#ffffff
ml*log*textSW.text.foreground:#1b1918
ml*marginHeight:2
ml*marginWidth:3
ml*selectColor:#d5d1cf
ml*textSW.text.background:#ffffff
ml*textSW.text.foreground:#1b1918
ml.form.height:550
ml.form.width:650
nedit*background:#d5d1cf
nedit*foreground:#1b1918
xcalc*background:#d5d1cf
xcalc*bevel.screen.LCD.background:#ffffff
xcalc*bevel.screen.LCD.foreground:#1b1918
xcalc*foreground:#1b1918
xdvi.background:white
xosview*background:#d5d1cf
xosview*foreground:#1b1918
xosview*meterLabelColor:#1b1918
xosview*usedLabelColor:#1b1918
xpdf.background:#d5d1cf
xpdf.foreground:#1b1918
xpdf.urlCommand:kfmclient exec %s
xterm*background:#ffffff
xterm*foreground:#1b1918
xterm.SimpleMenu*background:#d5d1cf
xterm.SimpleMenu*foreground:#1b1918

Since it is the server requesting all this info hundreds of times per
second I am guessing something is wrong on the server side, but how do I
figure out what?

Here is what is installed:

Server:
xorg-x11-server-Xorg-1.8.2-4.fc13.i686
ltsp-server-5.1.95-1.fc13.i686

Client:
xorg-x11-server-Xorg-1.8.2-4.fc13.i686
ltsp-client-5.1.95-1.fc13.i686

Any help would be appreciated.

Jeff