It lists x-nautilus-desktop at the top with 2257K, then two more entries that are <unknown> with 2250K in use each. Marcus <div class="gmail_quote">On Wed, Feb 3, 2010 at 10:53 AM, Clemens Eisserer <<a href="mailto:linuxhippy@gmail.com">linuxhippy@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">What does xrestop report when you see Xorg consuming such large amounts of memory? - Clemens 2010/2/3 Marcus Rademacher <<a href="mailto:endingpop@gmail.com">endingpop@gmail.com</a>>: <div><div></div><div class="h5">> I'm having an issue with Xorg using a ton of memory. To start off, here are > the machine specs: > > Dell Precision M4400 > 4 GB of RAM > Dedicated video card with onboard video RAM > Running Ubuntu 9.10 x64 > Not using Compiz or any special display effects. > > Results of "X -version": > X.Org X Server 1.6.4 > Release Date: 2009-9-27 > X Protocol Version 11, Revision 0 > Build Operating System: Linux 2.6.24-23-server x86_64 Ubuntu > Current Operating System: Linux marcus-laptop 2.6.31-17-generic #54-Ubuntu > SMP Thu Dec 10 17:01:44 UTC 2009 x86_64 > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic > root=UUID=dc474f24-3833-4896-bd3e-0a209d66a767 ro vga=799 quiet splash > Build Date: 14 November 2009 05:48:57PM > xorg-server 2:1.6.4-2ubuntu4.1 (buildd@) > Before reporting problems, check <a href="http://wiki.x.org" target="_blank">http://wiki.x.org</a> > to make sure that you have the latest version. > > I'm using this machine for thesis research, and that involves running some > niche software and some of my own code. The crux is that many folders and > files are created and deleted over the course of 30 seconds. These runs take > several days to complete. > > The problem is that if I start out with a fresh log in Xorg starts at about > 30 MiB in use. After letting my program run overnight, Xorg is typically > using several GiB of memory, pushing the amount in use up about 95%. > Normally I can do regular web browsing while my program runs, but when the > memory usage is that high the whole machine is unusable, and my research > program slows a lot. > > So what I'm actually running is a bash script that calls a commercial > optimization code (HEEDS) several times in sequence, which in turn calls > Matlab and some very small C programs of mine many times as well. So no > instance of my code or HEEDS is running the entire length of time, since > they end and new instances begin many times. That fact, and that I've run > this same thing on other Linux platforms and Windows without issue makes me > think that this is unrelated to the code I'm running. Perhaps it's > exacerbated by the many folders and files that are created over the course > of the program's run. > > So what do I have to do prevent Xorg from stealing all of my memory? > > Also posted to Ubuntu Forums: > <a href="http://ubuntuforums.org/showthread.php?t=1397093" target="_blank">http://ubuntuforums.org/showthread.php?t=1397093</a> > </div></div>> _______________________________________________ > xorg mailing list > <a href="mailto:xorg@lists.freedesktop.org">xorg@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org/mailman/listinfo/xorg" target="_blank">http://lists.freedesktop.org/mailman/listinfo/xorg</a> > </blockquote></div>