[K12OSN] Server sending excessive "GetProperty" requests

[Jim Kinney]

Does this continue after it's rebooted? A corrupted memory stack or flaky
network connection are high likely culprits. Both maybe overheating chipset
symptoms.
On May 30, 2011 10:53 AM, "Jeff Siddall" <news at siddall.name> wrote:
> 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
>
> _______________________________________________
> K12OSN mailing list
> K12OSN at redhat.com
> https://www.redhat.com/mailman/listinfo/k12osn
> For more info see <http://www.k12os.org>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/k12osn/attachments/20110530/abd3da49/attachment.htm>