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Cadence and the debathena X server

daemon@ATHENA.MIT.EDU (andrew m. boardman)
Tue Sep 21 14:07:57 2010

Date: Tue, 21 Sep 2010 14:07:50 -0400
Message-Id: <201009211807.o8LI7oDc032470@pothole.mit.edu>
From: "andrew m. boardman" <amb@MIT.EDU>
To: fletch1@MIT.EDU
CC: release-team@MIT.EDU


Hi!  I gather there's some question about getting some of the Course 6
debathena machines set up with backing store turned on so that Cadence
will work properly.

Support for that is driver-specific and thus hardware-dependent, but if
it's supported, you can put this in /etc/X11/xorg.conf:

Section "Device"
        Identifier "default"
        Option "BackingStore" "True"
EndSection

...which file you'll probably have to create unless you have other custom
X settings already.  (If there's already a "Device" section, just add the
option line there.)

To check whether it's turned on, if you're logged locally on the relevant
machine (not a remote login), you can run "xdpyinfo |grep backing"
and see output like:

$ xdpyinfo|grep -i backing
options:    backing-store YES, save-unders NO

If you have further questions, feel free to email release-team@mit.edu.

thanks,
andrew
Andrew Boardman/SysEng/IS&T/MIT  +1.617.253.4040  amb@mit.edu

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